UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 13D

                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. __)*


                                 HemoSense, Inc.
      ------------------------------------------------------------------------
                                (Name of Issuer)

                     Common Stock,  $0.001 par value
    -------------------------------------------------------------------------
                         (Title of Class of Securities)

                                   423691104
    ------------------------------------------------------------------------
                                 (CUSIP Number)

                              Louis S. Citron, Esq.
                           New Enterprise Associates
                   1119 St. Paul Street, Baltimore, MD 21202
                                 (410) 246-2927
    ------------------------------------------------------------------------
           (Name, Address and Telephone Number of Person Authorized to
                       Receive Notices and Communications)

                                December 12, 2006
    ------------------------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report
the acquisition that is the subject of this Schedule 13D, and is filing this
schedule because of Sections 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check
the following box. [ ]

NOTE: Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See Section 240.13d-7 for other
parties to whom copies are to be sent.

*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section
of the Act but shall be subject to all other provisions of the Act (however, see
the Notes).

                               Page 1 of 31 pages


                                SCHEDULE 13D

-----------------------                               --------------------------
CUSIP No. 423691104                                      Page 2 of 31 Pages
----------------------                                --------------------------


1.       NAME OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

         New Enterprise Associates 12, Limited Partnership
-------------------------------------------------------------------------------
2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                  (a) /_/
                                                                  (b) /_/

-------------------------------------------------------------------------------
3.       SEC USE ONLY

-------------------------------------------------------------------------------
4.       SOURCE OF FUNDS (SEE INSTRUCTIONS)

         WC
-------------------------------------------------------------------------------
5.       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
         TO ITEMS 2(d) OR 2(e)                                       /_ /

-------------------------------------------------------------------------------
6.       CITIZENSHIP OR PLACE OF ORGANIZATION

         Delaware Limited Partnership
-------------------------------------------------------------------------------
                         7.    SOLE VOTING POWER         0 shares

                         ------------------------------------------------------
NUMBER OF SHARES         8.    SHARED VOTING POWER       1,772,151 shares
  BENEFICIALLY
 OWNED BY EACH           ------------------------------------------------------
REPORTING PERSON         9.    SOLE DISPOSITIVE POWER    0 shares
      WITH
                         ------------------------------------------------------
                         10.   SHARED DISPOSITIVE POWER  1,772,151 shares

-------------------------------------------------------------------------------
11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         1,772,151 shares
-------------------------------------------------------------------------------
12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
         SHARES (SEE INSTRUCTIONS)                                    /_/

-------------------------------------------------------------------------------
13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         15.82%
-------------------------------------------------------------------------------
14.      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

         PN
-------------------------------------------------------------------------------

                               Page 2 of 31 pages



                                  SCHEDULE 13D

-----------------------                               --------------------------
CUSIP No. 423691104                                      Page 3 of 31 Pages
----------------------                                --------------------------


1.       NAME OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

         NEA Partners 12, Limited Partnership
-------------------------------------------------------------------------------
2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                  (a) /_/
                                                                  (b) /_/

-------------------------------------------------------------------------------
3.       SEC USE ONLY

-------------------------------------------------------------------------------
4.       SOURCE OF FUNDS (SEE INSTRUCTIONS)

         AF
-------------------------------------------------------------------------------
5.       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
         TO ITEMS 2(d) OR 2(e)                                       /_ /

-------------------------------------------------------------------------------
6.       CITIZENSHIP OR PLACE OF ORGANIZATION

         Delaware Limited Partnership
-------------------------------------------------------------------------------
                         7.    SOLE VOTING POWER         0 shares

                         ------------------------------------------------------
NUMBER OF SHARES         8.    SHARED VOTING POWER       1,772,151 shares
  BENEFICIALLY
 OWNED BY EACH           ------------------------------------------------------
REPORTING PERSON         9.    SOLE DISPOSITIVE POWER    0 shares
      WITH
                         ------------------------------------------------------
                         10.   SHARED DISPOSITIVE POWER  1,772,151 shares

-------------------------------------------------------------------------------
11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         1,772,151 shares
-------------------------------------------------------------------------------
12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
         SHARES (SEE INSTRUCTIONS)                                    /_/

-------------------------------------------------------------------------------
13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         15.82%
-------------------------------------------------------------------------------
14.      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

         PN
-------------------------------------------------------------------------------

                               Page 3 of 31 pages


                                  SCHEDULE 13D

-----------------------                               --------------------------
CUSIP No. 423691104                                      Page 4 of 31 Pages
----------------------                                --------------------------


1.       NAME OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

         NEA 12 GP, LLC
-------------------------------------------------------------------------------
2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                  (a) /_/
                                                                  (b) /_/

-------------------------------------------------------------------------------
3.       SEC USE ONLY

-------------------------------------------------------------------------------
4.       SOURCE OF FUNDS (SEE INSTRUCTIONS)

         AF
-------------------------------------------------------------------------------
5.       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
         TO ITEMS 2(d) OR 2(e)                                       /_ /

-------------------------------------------------------------------------------
6.       CITIZENSHIP OR PLACE OF ORGANIZATION

         Delaware Limited Liability Company
-------------------------------------------------------------------------------
                         7.    SOLE VOTING POWER         0 shares

                         ------------------------------------------------------
NUMBER OF SHARES         8.    SHARED VOTING POWER       1,772,151 shares
  BENEFICIALLY
 OWNED BY EACH           ------------------------------------------------------
REPORTING PERSON         9.    SOLE DISPOSITIVE POWER    0 shares
      WITH
                         ------------------------------------------------------
                         10.   SHARED DISPOSITIVE POWER  1,772,151 shares

-------------------------------------------------------------------------------
11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         1,772,151 shares
-------------------------------------------------------------------------------
12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
         SHARES (SEE INSTRUCTIONS)                                    /_/

-------------------------------------------------------------------------------
13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         15.82%
-------------------------------------------------------------------------------
14.      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

         PN
-------------------------------------------------------------------------------

                               Page 4 of 31 pages


                                  SCHEDULE 13D

-----------------------                               --------------------------
CUSIP No. 423691104                                      Page 5 of 31 Pages
----------------------                                --------------------------


1.       NAME OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

         Michael James Barrett
-------------------------------------------------------------------------------
2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                  (a) /_/
                                                                  (b) /_/

-------------------------------------------------------------------------------
3.       SEC USE ONLY

-------------------------------------------------------------------------------
4.       SOURCE OF FUNDS (SEE INSTRUCTIONS)

         AF
-------------------------------------------------------------------------------
5.       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
         TO ITEMS 2(d) OR 2(e)                                       /_ /

-------------------------------------------------------------------------------
6.       CITIZENSHIP OR PLACE OF ORGANIZATION

         United States citizen
-------------------------------------------------------------------------------
                         7.    SOLE VOTING POWER         0 shares

                         ------------------------------------------------------
NUMBER OF SHARES         8.    SHARED VOTING POWER       1,772,151 shares
  BENEFICIALLY
 OWNED BY EACH           ------------------------------------------------------
REPORTING PERSON         9.    SOLE DISPOSITIVE POWER    0 shares
      WITH
                         ------------------------------------------------------
                         10.   SHARED DISPOSITIVE POWER  1,772,151 shares

-------------------------------------------------------------------------------
11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         1,772,151 shares
-------------------------------------------------------------------------------
12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
         SHARES (SEE INSTRUCTIONS)                                    /_/

-------------------------------------------------------------------------------
13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         15.82%
-------------------------------------------------------------------------------
14.      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

         IN
-------------------------------------------------------------------------------

                               Page 5 of 31 pages



                                  SCHEDULE 13D

-----------------------                               --------------------------
CUSIP No. 423691104                                      Page 6 of 31 Pages
----------------------                                --------------------------


1.       NAME OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

         Peter J. Barris
-------------------------------------------------------------------------------
2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                  (a) /_/
                                                                  (b) /_/

-------------------------------------------------------------------------------
3.       SEC USE ONLY

-------------------------------------------------------------------------------
4.       SOURCE OF FUNDS (SEE INSTRUCTIONS)

         AF
-------------------------------------------------------------------------------
5.       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
         TO ITEMS 2(d) OR 2(e)                                       /_ /

-------------------------------------------------------------------------------
6.       CITIZENSHIP OR PLACE OF ORGANIZATION

         United States citizen
-------------------------------------------------------------------------------
                         7.    SOLE VOTING POWER         0 shares

                         ------------------------------------------------------
NUMBER OF SHARES         8.    SHARED VOTING POWER       1,772,151 shares
  BENEFICIALLY
 OWNED BY EACH           ------------------------------------------------------
REPORTING PERSON         9.    SOLE DISPOSITIVE POWER    0 shares
      WITH
                         ------------------------------------------------------
                         10.   SHARED DISPOSITIVE POWER  1,772,151 shares

-------------------------------------------------------------------------------
11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         1,772,151 shares
-------------------------------------------------------------------------------
12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
         SHARES (SEE INSTRUCTIONS)                                    /_/

-------------------------------------------------------------------------------
13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         15.82%
-------------------------------------------------------------------------------
14.      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

         IN
-------------------------------------------------------------------------------

                               Page 6 of 31 pages



                                  SCHEDULE 13D

-----------------------                               --------------------------
CUSIP No. 423691104                                      Page 7 of 31 Pages
----------------------                                --------------------------


1.       NAME OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

         Forest Baskett
-------------------------------------------------------------------------------
2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                  (a) /_/
                                                                  (b) /_/

-------------------------------------------------------------------------------
3.       SEC USE ONLY

-------------------------------------------------------------------------------
4.       SOURCE OF FUNDS (SEE INSTRUCTIONS)

         AF
-------------------------------------------------------------------------------
5.       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
         TO ITEMS 2(d) OR 2(e)                                       /_ /

-------------------------------------------------------------------------------
6.       CITIZENSHIP OR PLACE OF ORGANIZATION

         United States citizen
-------------------------------------------------------------------------------
                         7.    SOLE VOTING POWER         0 shares

                         ------------------------------------------------------
NUMBER OF SHARES         8.    SHARED VOTING POWER       1,772,151 shares
  BENEFICIALLY
 OWNED BY EACH           ------------------------------------------------------
REPORTING PERSON         9.    SOLE DISPOSITIVE POWER    0 shares
      WITH
                         ------------------------------------------------------
                         10.   SHARED DISPOSITIVE POWER  1,772,151 shares

-------------------------------------------------------------------------------
11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         1,772,151 shares
-------------------------------------------------------------------------------
12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
         SHARES (SEE INSTRUCTIONS)                                    /_/

-------------------------------------------------------------------------------
13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         15.82%
-------------------------------------------------------------------------------
14.      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

         IN
-------------------------------------------------------------------------------

                               Page 7 of 31 pages




                                  SCHEDULE 13D

-----------------------                               --------------------------
CUSIP No. 423691104                                      Page 8 of 31 Pages
----------------------                                --------------------------


1.       NAME OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

         Ryan D. Drant
-------------------------------------------------------------------------------
2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                  (a) /_/
                                                                  (b) /_/

-------------------------------------------------------------------------------
3.       SEC USE ONLY

-------------------------------------------------------------------------------
4.       SOURCE OF FUNDS (SEE INSTRUCTIONS)

         AF
-------------------------------------------------------------------------------
5.       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
         TO ITEMS 2(d) OR 2(e)                                       /_ /

-------------------------------------------------------------------------------
6.       CITIZENSHIP OR PLACE OF ORGANIZATION

         United States citizen
-------------------------------------------------------------------------------
                         7.    SOLE VOTING POWER         0 shares

                         ------------------------------------------------------
NUMBER OF SHARES         8.    SHARED VOTING POWER       1,772,151 shares
  BENEFICIALLY
 OWNED BY EACH           ------------------------------------------------------
REPORTING PERSON         9.    SOLE DISPOSITIVE POWER    0 shares
      WITH
                         ------------------------------------------------------
                         10.   SHARED DISPOSITIVE POWER  1,772,151 shares

-------------------------------------------------------------------------------
11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         1,772,151 shares
-------------------------------------------------------------------------------
12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
         SHARES (SEE INSTRUCTIONS)                                    /_/

-------------------------------------------------------------------------------
13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         15.82%
-------------------------------------------------------------------------------
14.      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

         IN
-------------------------------------------------------------------------------

                               Page 8 of 31 pages




                                  SCHEDULE 13D

-----------------------                               --------------------------
CUSIP No. 423691104                                      Page 9 of 31 Pages
----------------------                                --------------------------


1.       NAME OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

          Patrick J. Kerins
-------------------------------------------------------------------------------
2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                  (a) /_/
                                                                  (b) /_/

-------------------------------------------------------------------------------
3.       SEC USE ONLY

-------------------------------------------------------------------------------
4.       SOURCE OF FUNDS (SEE INSTRUCTIONS)

         AF
-------------------------------------------------------------------------------
5.       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
         TO ITEMS 2(d) OR 2(e)                                       /_ /

-------------------------------------------------------------------------------
6.       CITIZENSHIP OR PLACE OF ORGANIZATION

         United States citizen
-------------------------------------------------------------------------------
                         7.    SOLE VOTING POWER         0 shares

                         ------------------------------------------------------
NUMBER OF SHARES         8.    SHARED VOTING POWER       1,772,151 shares
  BENEFICIALLY
 OWNED BY EACH           ------------------------------------------------------
REPORTING PERSON         9.    SOLE DISPOSITIVE POWER    0 shares
      WITH
                         ------------------------------------------------------
                         10.   SHARED DISPOSITIVE POWER  1,772,151 shares

-------------------------------------------------------------------------------
11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         1,772,151 shares
-------------------------------------------------------------------------------
12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
         SHARES (SEE INSTRUCTIONS)                                    /_/

-------------------------------------------------------------------------------
13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         15.82%
-------------------------------------------------------------------------------
14.      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

         IN
-------------------------------------------------------------------------------

                               Page 9 of 31 pages



                                  SCHEDULE 13D

-----------------------                               --------------------------
CUSIP No. 423691104                                      Page 10 of 31 Pages
----------------------                                --------------------------


1.       NAME OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

          Krishna Kolluri
-------------------------------------------------------------------------------
2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                  (a) /_/
                                                                  (b) /_/

-------------------------------------------------------------------------------
3.       SEC USE ONLY

-------------------------------------------------------------------------------
4.       SOURCE OF FUNDS (SEE INSTRUCTIONS)

         AF
-------------------------------------------------------------------------------
5.       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
         TO ITEMS 2(d) OR 2(e)                                       /_ /

-------------------------------------------------------------------------------
6.       CITIZENSHIP OR PLACE OF ORGANIZATION

         United States citizen
-------------------------------------------------------------------------------
                         7.    SOLE VOTING POWER         0 shares

                         ------------------------------------------------------
NUMBER OF SHARES         8.    SHARED VOTING POWER       1,772,151 shares
  BENEFICIALLY
 OWNED BY EACH           ------------------------------------------------------
REPORTING PERSON         9.    SOLE DISPOSITIVE POWER    0 shares
      WITH
                         ------------------------------------------------------
                         10.   SHARED DISPOSITIVE POWER  1,772,151 shares

-------------------------------------------------------------------------------
11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         1,772,151 shares
-------------------------------------------------------------------------------
12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
         SHARES (SEE INSTRUCTIONS)                                    /_/

-------------------------------------------------------------------------------
13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         15.82%
-------------------------------------------------------------------------------
14.      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

         IN
-------------------------------------------------------------------------------

                               Page 10 of 31 pages




                                  SCHEDULE 13D

-----------------------                               --------------------------
CUSIP No. 423691104                                      Page 11 of 31 Pages
----------------------                                --------------------------


1.       NAME OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

          C. Richard Kramlich
-------------------------------------------------------------------------------
2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                  (a) /_/
                                                                  (b) /_/

-------------------------------------------------------------------------------
3.       SEC USE ONLY

-------------------------------------------------------------------------------
4.       SOURCE OF FUNDS (SEE INSTRUCTIONS)

         AF
-------------------------------------------------------------------------------
5.       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
         TO ITEMS 2(d) OR 2(e)                                       /_ /

-------------------------------------------------------------------------------
6.       CITIZENSHIP OR PLACE OF ORGANIZATION

         United States citizen
-------------------------------------------------------------------------------
                         7.    SOLE VOTING POWER         0 shares

                         ------------------------------------------------------
NUMBER OF SHARES         8.    SHARED VOTING POWER       1,772,151 shares
  BENEFICIALLY
 OWNED BY EACH           ------------------------------------------------------
REPORTING PERSON         9.    SOLE DISPOSITIVE POWER    0 shares
      WITH
                         ------------------------------------------------------
                         10.   SHARED DISPOSITIVE POWER  1,772,151 shares

-------------------------------------------------------------------------------
11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         1,772,151 shares
-------------------------------------------------------------------------------
12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
         SHARES (SEE INSTRUCTIONS)                                    /_/

-------------------------------------------------------------------------------
13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         15.82%
-------------------------------------------------------------------------------
14.      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

         IN
-------------------------------------------------------------------------------

                               Page 11 of 31 pages



                                 SCHEDULE 13D

-----------------------                               --------------------------
CUSIP No. 423691104                                      Page 12 of 31 Pages
----------------------                                --------------------------


1.       NAME OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

          Charles M. Linehan
-------------------------------------------------------------------------------
2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                  (a) /_/
                                                                  (b) /_/

-------------------------------------------------------------------------------
3.       SEC USE ONLY

-------------------------------------------------------------------------------
4.       SOURCE OF FUNDS (SEE INSTRUCTIONS)

         AF
-------------------------------------------------------------------------------
5.       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
         TO ITEMS 2(d) OR 2(e)                                       /_ /

-------------------------------------------------------------------------------
6.       CITIZENSHIP OR PLACE OF ORGANIZATION

         United States citizen
-------------------------------------------------------------------------------
                         7.    SOLE VOTING POWER         0 shares

                         ------------------------------------------------------
NUMBER OF SHARES         8.    SHARED VOTING POWER       1,772,151 shares
  BENEFICIALLY
 OWNED BY EACH           ------------------------------------------------------
REPORTING PERSON         9.    SOLE DISPOSITIVE POWER    0 shares
      WITH
                         ------------------------------------------------------
                         10.   SHARED DISPOSITIVE POWER  1,772,151 shares

-------------------------------------------------------------------------------
11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         1,772,151 shares
-------------------------------------------------------------------------------
12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
         SHARES (SEE INSTRUCTIONS)                                    /_/

-------------------------------------------------------------------------------
13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         15.82%
-------------------------------------------------------------------------------
14.      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

         IN
-------------------------------------------------------------------------------

                               Page 12 of 31 pages




                                 SCHEDULE 13D

-----------------------                               --------------------------
CUSIP No. 423691104                                      Page 13 of 31 Pages
----------------------                                --------------------------


1.       NAME OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

          Peter T. Morris
-------------------------------------------------------------------------------
2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                  (a) /_/
                                                                  (b) /_/

-------------------------------------------------------------------------------
3.       SEC USE ONLY

-------------------------------------------------------------------------------
4.       SOURCE OF FUNDS (SEE INSTRUCTIONS)

         AF
-------------------------------------------------------------------------------
5.       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
         TO ITEMS 2(d) OR 2(e)                                       /_ /

-------------------------------------------------------------------------------
6.       CITIZENSHIP OR PLACE OF ORGANIZATION

         United States citizen
-------------------------------------------------------------------------------
                         7.    SOLE VOTING POWER         0 shares

                         ------------------------------------------------------
NUMBER OF SHARES         8.    SHARED VOTING POWER       1,772,151 shares
  BENEFICIALLY
 OWNED BY EACH           ------------------------------------------------------
REPORTING PERSON         9.    SOLE DISPOSITIVE POWER    0 shares
      WITH
                         ------------------------------------------------------
                         10.   SHARED DISPOSITIVE POWER  1,772,151 shares

-------------------------------------------------------------------------------
11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         1,772,151 shares
-------------------------------------------------------------------------------
12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
         SHARES (SEE INSTRUCTIONS)                                    /_/

-------------------------------------------------------------------------------
13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         15.82%
-------------------------------------------------------------------------------
14.      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

         IN
-------------------------------------------------------------------------------

                               Page 13 of 31 pages




                                 SCHEDULE 13D

-----------------------                               --------------------------
CUSIP No. 423691104                                      Page 14 of 31 Pages
----------------------                                --------------------------


1.       NAME OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

          Charles W. Newhall III
-------------------------------------------------------------------------------
2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                  (a) /_/
                                                                  (b) /_/

-------------------------------------------------------------------------------
3.       SEC USE ONLY

-------------------------------------------------------------------------------
4.       SOURCE OF FUNDS (SEE INSTRUCTIONS)

         AF
-------------------------------------------------------------------------------
5.       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
         TO ITEMS 2(d) OR 2(e)                                       /_ /

-------------------------------------------------------------------------------
6.       CITIZENSHIP OR PLACE OF ORGANIZATION

         United States citizen
-------------------------------------------------------------------------------
                         7.    SOLE VOTING POWER         0 shares

                         ------------------------------------------------------
NUMBER OF SHARES         8.    SHARED VOTING POWER       1,772,151 shares
  BENEFICIALLY
 OWNED BY EACH           ------------------------------------------------------
REPORTING PERSON         9.    SOLE DISPOSITIVE POWER    0 shares
      WITH
                         ------------------------------------------------------
                         10.   SHARED DISPOSITIVE POWER  1,772,151 shares

-------------------------------------------------------------------------------
11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         1,772,151 shares
-------------------------------------------------------------------------------
12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
         SHARES (SEE INSTRUCTIONS)                                    /_/

-------------------------------------------------------------------------------
13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         15.82%
-------------------------------------------------------------------------------
14.      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

         IN
-------------------------------------------------------------------------------

                               Page 14 of 31 pages




                                 SCHEDULE 13D

-----------------------                               --------------------------
CUSIP No. 423691104                                      Page 15 of 31 Pages
----------------------                                --------------------------


1.       NAME OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

          Mark W. Perry
-------------------------------------------------------------------------------
2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                  (a) /_/
                                                                  (b) /_/

-------------------------------------------------------------------------------
3.       SEC USE ONLY

-------------------------------------------------------------------------------
4.       SOURCE OF FUNDS (SEE INSTRUCTIONS)

         AF
-------------------------------------------------------------------------------
5.       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
         TO ITEMS 2(d) OR 2(e)                                       /_ /

-------------------------------------------------------------------------------
6.       CITIZENSHIP OR PLACE OF ORGANIZATION

         United States citizen
-------------------------------------------------------------------------------
                         7.    SOLE VOTING POWER         0 shares

                         ------------------------------------------------------
NUMBER OF SHARES         8.    SHARED VOTING POWER       1,772,151 shares
  BENEFICIALLY
 OWNED BY EACH           ------------------------------------------------------
REPORTING PERSON         9.    SOLE DISPOSITIVE POWER    0 shares
      WITH
                         ------------------------------------------------------
                         10.   SHARED DISPOSITIVE POWER  1,772,151 shares

-------------------------------------------------------------------------------
11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         1,772,151 shares
-------------------------------------------------------------------------------
12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
         SHARES (SEE INSTRUCTIONS)                                    /_/

-------------------------------------------------------------------------------
13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         15.82%
-------------------------------------------------------------------------------
14.      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

         IN
-------------------------------------------------------------------------------

                               Page 15 of 31 pages




                                 SCHEDULE 13D

-----------------------                               --------------------------
CUSIP No. 423691104                                      Page 16 of 31 Pages
----------------------                                --------------------------


1.       NAME OF REPORTING PERSONS
         I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).

         Scott D. Sandell
-------------------------------------------------------------------------------
2.       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
                                                                  (a) /_/
                                                                  (b) /_/

-------------------------------------------------------------------------------
3.       SEC USE ONLY

-------------------------------------------------------------------------------
4.       SOURCE OF FUNDS (SEE INSTRUCTIONS)

         AF
-------------------------------------------------------------------------------
5.       CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
         TO ITEMS 2(d) OR 2(e)                                       /_ /

-------------------------------------------------------------------------------
6.       CITIZENSHIP OR PLACE OF ORGANIZATION

         United States citizen
-------------------------------------------------------------------------------
                         7.    SOLE VOTING POWER         0 shares

                         ------------------------------------------------------
NUMBER OF SHARES         8.    SHARED VOTING POWER       1,772,151 shares
  BENEFICIALLY
 OWNED BY EACH           ------------------------------------------------------
REPORTING PERSON         9.    SOLE DISPOSITIVE POWER    0 shares
      WITH
                         ------------------------------------------------------
                         10.   SHARED DISPOSITIVE POWER  1,772,151 shares

-------------------------------------------------------------------------------
11.      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         1,772,151 shares
-------------------------------------------------------------------------------
12.      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
         SHARES (SEE INSTRUCTIONS)                                    /_/

-------------------------------------------------------------------------------
13.      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

         15.82%
-------------------------------------------------------------------------------
14.      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

         IN
-------------------------------------------------------------------------------

                               Page 16 of 31 pages




                                 SCHEDULE 13D

Item 1. SECURITY AND ISSUER.

     This  statement  relates to the Common Stock,  $.001 par value (the "Common
Stock") of HemoSense,  Inc. (the "Issuer") having its principal executive office
at 651 River Oaks Parkway, San Jose, CA 95134.

Item 2. IDENTITY AND BACKGROUND.

     This  statement is being filed by New  Enterprise  Associates  12,  Limited
Partnership  ("NEA 12"),  NEA Partners 12,  Limited  Partnership  ("NEA Partners
12"),  which is the  general  partner  of NEA 12,  NEA 12 GP, LLC ("NEA 12 GP"),
which is the  general  partner of NEA  Partners  12, and Michael  James  Barrett
("Barrett"),  Peter J. Barris ("Barris"),  Forest Baskett  ("Baskett"),  Ryan D.
Drant ("Drant"),  Patrick J. Kerins ("Kerins"),  Krishna Kolluri ("Kolluri"), C.
Richard Kramlich ("Kramlich"),  Charles M. Linehan ("Linehan"),  Peter T. Morris
("Morris"),  Charles W. Newhall III  ("Newhall"),  Mark W. Perry  ("Perry")  and
Scott D. Sandell ("Sandell"),  (collectively,  the "Managers"). The Managers are
the individual managers of NEA 12 GP. NEA 12 GP, NEA Partners 12, NEA 12 and the
Managers  are  sometimes  referred  to  collectively  herein  as the  "Reporting
Persons."

     The address of the  principal  business  office of NEA 12, NEA Partners 12,
NEA 12 GP, Barrett, Drant, Kerins and Newhall is New Enterprise Associates, 1119
St. Paul Street,  Baltimore,  MD 21202.  The address of the  principal  business
office of Baskett, Kolluri, Kramlich,  Linehan, Morris, Perry and Sandell is New
Enterprise  Associates,  2490 Sand Hill Road, Menlo Park,  California 94025. The
address of the principal business office of Barris is New Enterprise Associates,
One Freedom Square, 11951 Freedom Drive, Suite 1240, Reston, Virginia 20190.

     The principal business of NEA 12 is to invest in and assist growth-oriented
businesses  located  principally in the United States. The principal business of
NEA  Partners  12 is to act as the  general  partner  of NEA 12.  The  principal
business of NEA 12 GP is to act as the general  partner of NEA  Partners 12. The
principal  business  of each of the  Managers is to act as managers of NEA 12 GP
and a number of affiliated partnerships with similar businesses.

     During  the five  years  prior to the date  hereof,  none of the  Reporting
Persons has been  convicted  in a criminal  proceeding  or has been a party to a
civil  proceeding  ending in a judgment,  decree or final order enjoining future
violations  of, or prohibiting  or mandating  activities  subject to, federal or
state  securities  laws or finding any violation with respect to such laws.

     Each of NEA 12 and NEA Partners 12 is a limited partnership organized under
the laws of the  State of  Delaware.  Each of the  Managers  is a United  States
citizen.

Item 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.

     NEA 12 acquired  1,772,151  shares of Common Stock (the  "Shares") from the
Issuer on  December  12,  2006 at a price of $3.95  per  share for an  aggregate
purchase price of $6,999,996.45. The working capital of NEA 12 was the source of
the funds for the purchase of the Shares.  No part of the purchase  price of the
Shares was  represented  by funds or other  consideration  borrowed or otherwise
obtained for the purpose of acquiring, holding, trading or voting the Shares.


                               Page 17 of 31 pages


Item 4. PURPOSE OF TRANSACTION.

     NEA 12 acquired  the Shares for  investment  purposes.  Depending on market
conditions,  its  continuing  evaluation  of the business  and  prospects of the
Issuer and other factors,  NEA 12 and other Reporting  Persons may dispose of or
acquire additional shares of the Issuer.  Except as set forth above, none of the
Reporting Persons has any present plans which relate to or would result in:

     (a)  The acquisition by any person of additional  securities of the Issuer,
          or the disposition of securities of the Issuer;

     (b)  An   extraordinary   corporate   transaction,   such   as  a   merger,
          reorganization  or  liquidation,  involving  the  Issuer or any of its
          subsidiaries;

     (c)  A sale or transfer of a material amount of assets of the Issuer or any
          of its subsidiaries;

     (d)  Any change in the present  board of  directors  or  management  of the
          Issuer,  including any plans or proposals to change the number or term
          of directors or to fill any existing vacancies on the board;

     (e)  Any material change in the present  capitalization  or dividend policy
          of the Issuer;

     (f)  Any  other  material  change in the  Issuer's  business  or  corporate
          structure;

     (g)  Changes in the Issuer's charter,  bylaws or instruments  corresponding
          thereto or other actions which may impede the  acquisition  of control
          of the Issuer by any person;

     (h)  Causing a class of  securities  of the  Issuer to be  delisted  from a
          national securities exchange or to cease to be authorized to be quoted
          in an inter-dealer quotation system of a registered national
          securities association;

     (i)  A class of equity  securities  of the  Issuer  becoming  eligible  for
          termination  of  registration  pursuant  to  Section  12(g)(4)  of the
          Securities Exchange Act of 1934; or

     (j)  Any action similar to any of those enumerated above.

Item 5. INTEREST IN SECURITIES OF THE ISSUER.

     (a)  NEA 12 is the record  owner of the Shares.  As the general  partner of
          NEA 12, NEA Partners 12 may be deemed to own  beneficially the Shares.
          As the general  partner of NEA  Partners 12, NEA 12 GP likewise may be
          deemed to own beneficially the Shares.  As the individual  Managers of
          NEA GP 12, each of the Managers also may be deemed to own beneficially
          the Shares.

          Each of the Reporting Persons may be deemed to own beneficially 15.82%
          of the Issuer's Common Stock, which percentage is calculated based
          upon 11,204,233 shares outstanding, as reported to be outstanding
          in the Issuer's  Form 10-Q filed with  respect to the period ending
          June 30, 2006.  Each  of  the  Reporting  Persons,  except NEA 12,
          disclaims beneficial  ownership  of the  Shares  except  to
          the extent of their pecuniary interest therein, if any.

     (b)  Regarding the number of shares as to which such person has:

          (i)  sole  power to vote or to direct  the vote:

                0 shares for each of the Reporting Persons.

                               Page 18 of 31 pages


          (ii) shared power to vote or to direct the vote:

                1,772,151 shares for each Reporting Person.

          (iii) sole power to dispose or to direct the disposition:

                0 shares for each of the Reporting Persons.

          (iv) shared power to dispose or to direct the disposition:

                1,772,151 shares for each Reporting Person.

     (c)  Except as set forth in Item 3 above, none of the Reporting Persons has
          effected any transaction in the Common Stock during the last 60 days.

     (d)  No other  person is known to have the right to receive or the power to
          direct the receipt of dividends  from,  or any proceeds  from the sale
          of, Shares beneficially owned by any of the Reporting Persons.

     (e)  Not Applicable.

Item 6. CONTRACTS,  ARRANGEMENTS,  UNDERTAKINGS OR RELATIONSHIPS WITH RESPECT TO
        SECURITIES OF THE ISSUER.

          Not  applicable.

Item 7. MATERIAL TO BE FILED AS EXHIBITS.

     Exhibit 1 - Agreement regarding filing of joint Schedule 13D.

     Exhibit 2 - Powers of Attorney regarding Schedule 13D filings.

                               Page 19 of 31 pages


                                   SIGNATURE

     After reasonable inquiry and to the best of its knowledge and belief,  each
of the undersigned certifies that the information set forth in this statement is
true, complete and correct.



Date: December 22, 2006

NEW ENTERPRISE ASSOCIATES 12,
        LIMITED  PARTNERSHIP

By:     NEA PARTNERS 12, LIMITED PARTNERSHIP
        General Partner

        By:     NEA GP 12, LLC
                General Partner

                By: *
                   ----------------------------
                   Eugene A. Trainor III
                   Administrative Manager

NEA PARTNERS 12, LIMITED PARTNERSHIP

        By:     NEA GP 12, LLC
                General Partner

                By: *
                   ----------------------------
                   Eugene A. Trainor III
                   Administrative Manager


NEA GP 12, LLC

By:   *
   -------------------------------------
   Eugene A. Trainor III
   Administrative Manager

     *
----------------------------------------
Michael James Barrett

     *
----------------------------------------
Peter J. Barris

     *
----------------------------------------

                              Page 20 of 31 pages



Forest Baskett

     *
----------------------------------------
Ryan D. Drant

     *
----------------------------------------
Patrick J. Kerins

     *
----------------------------------------
Krishna Kolluri

      *
----------------------------------------
C. Richard Kramlich

     *
----------------------------------------
Charles M. Linehan

     *
----------------------------------------
Peter T. Morris

     *
----------------------------------------
Charles W. Newhall III

     *
----------------------------------------
Mark W. Perry

     *
----------------------------------------
Scott D. Sandell


                                             /s/ Louis S. Citron
                                             ---------------------------------
                                             Louis S. Citron
                                             As  attorney-in-fact

This  Schedule 13D was executed by Louis S. Citron on behalf of the  individuals
listed  above  pursuant  to Powers of Attorney  copies of which are  attached as
Exhibit 2.

                              Page 21 of 31 pages
 

                                                                       EXHIBIT 1
                                    AGREEMENT

     Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, the
undersigned  hereby agree that only one  statement  containing  the  information
required by Schedule 13D need be filed with respect to the  ownership by each of
the undersigned of shares of stock of Iomai Corporation.

     EXECUTED this 22nd day of December, 2006.


NEW ENTERPRISE ASSOCIATES 12,
        LIMITED  PARTNERSHIP

By:     NEA PARTNERS 12, LIMITED PARTNERSHIP
        General Partner

        By:     NEA GP 12, LLC
                General Partner

                By: *
                   ----------------------------
                   Eugene A. Trainor III
                   Administrative Manager

NEA PARTNERS 12, LIMITED PARTNERSHIP

        By:     NEA GP 12, LLC
                General Partner

                By: *
                   ----------------------------
                   Eugene A. Trainor III
                   Administrative Manager


NEA GP 12, LLC

By:   *
   -------------------------------------
   Eugene A. Trainor III
   Administrative Manager

     *
----------------------------------------
Michael James Barrett

     *
----------------------------------------
Peter J. Barris

                              Page 22 of 31 pages


     *
----------------------------------------
Forest Baskett

     *
----------------------------------------
Ryan D. Drant

     *
----------------------------------------
Patrick J. Kerins

     *
----------------------------------------
Krishna Kolluri

      *
----------------------------------------
C. Richard Kramlich

     *
----------------------------------------
Charles M. Linehan

     *
----------------------------------------
Peter T. Morris

     *
----------------------------------------
Charles W. Newhall III

     *
----------------------------------------
Mark W. Perry

     *
----------------------------------------
Scott D. Sandell


                                             /s/ Louis S. Citron
                                             ---------------------------------
                                             Louis S. Citron
                                             As  attorney-in-fact

This  Agreement  relating  to  Schedule  13D was  executed by Louis S. Citron on
behalf of the individuals  listed above pursuant to Powers of Attorney copies of
which are attached as Exhibit 3.

                              Page 23 of 31 pages



                                                                       EXHIBIT 2

                               POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS,  that each person whose  signature  appears
below hereby  constitutes and appoints Nancy L. Dorman,  Charles W. Newhall III,
Louis S. Citron and Eugene A. Trainor III, and each of them,  with full power to
act without the others, his true and lawful attorney-in-fact, with full power of
substitution,  to sign any and all instruments,  certificates and documents that
may be necessary,  desirable or  appropriate to be executed on behalf of himself
as an  individual  or in his capacity as a general  partner of any  partnership,
pursuant to section 13 or 16 of the Securities  Exchange Act of 1934, as amended
(the "Exchange Act"), and any and all regulations promulgated thereunder, and to
file the same, with all exhibits thereto,  and any other documents in connection
therewith,  with the  Securities  and  Exchange  Commission,  and with any other
entity when and if such is mandated by the Exchange Act or by the By-laws of the
National   Association  of  Securities   Dealers,   Inc.,   granting  unto  said
attorney-in-fact  full power and  authority to do and perform each and every act
and thing necessary, desirable or appropriate, fully to all intents and purposes
as he might or could do in person,  thereby  ratifying and  confirming  all that
said attorney-in-fact,  or his substitutes,  may lawfully do or cause to be done
by virtue hereof.

     IN WITNESS  WHEREOF,  this Power of Attorney  has been signed as of the 1st
day of January, 2001.


                                        /s/ STEWART ALSOP II
                                        ---------------------------------
                                        Stewart Alsop II

                                        /s/ PETER J. BARRIS
                                        ---------------------------------
                                        Peter J. Barris

                                        /s/ NANCY L. DORMAN
                                        ---------------------------------
                                        Nancy L. Dorman

                                        /s/ RONALD KASE
                                        ---------------------------------
                                        Ronald Kase

                                        /s/ C. RICHARD KRAMLICH
                                        ---------------------------------
                                        C. Richard Kramlich

                                        /s/ ARTHUR J. MARKS
                                        ---------------------------------
                                        Arthur J. Marks

                                        /s/ THOMAS C. MCCONNELL
                                        ---------------------------------
                                        Thomas C. McConnell

                                        /s/ PETER T. MORRIS
                                        ---------------------------------
                                        Peter T. Morris

                               Page 24 of 31 pages


                                        /s/ JOHN M. NEHRA
                                        ---------------------------------
                                        John M. Nehra

                                        /s/ CHARLES W. NEWHALL III
                                        ---------------------------------
                                        Charles W. Newhall III

                                        /s/ MARK W. PERRY
                                        ---------------------------------
                                        Mark W. Perry

                                        /s/ SCOTT D. SANDELL
                                        ---------------------------------
                                        Scott D. Sandell


                              Page 25 of 31 pages



                               POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS,  that each person whose  signature  appears
below hereby  constitutes and appoints Nancy L. Dorman,  Charles W. Newhall III,
Louis S. Citron and Eugene A. Trainor III, and each of them,  with full power to
act without the others, his true and lawful attorney-in-fact, with full power of
substitution,  to sign any and all instruments,  certificates and documents that
may be necessary,  desirable or  appropriate to be executed on behalf of himself
as an  individual  or in his capacity as a general  partner of any  partnership,
pursuant to section 13 or 16 of the Securities  Exchange Act of 1934, as amended
(the "Exchange Act"), and any and all regulations promulgated thereunder, and to
file the same, with all exhibits thereto,  and any other documents in connection
therewith,  with the  Securities  and  Exchange  Commission,  and with any other
entity when and if such is mandated by the Exchange Act or by the By-laws of the
National   Association  of  Securities   Dealers,   Inc.,   granting  unto  said
attorney-in-fact  full power and  authority to do and perform each and every act
and thing necessary, desirable or appropriate, fully to all intents and purposes
as he might or could do in person,  thereby  ratifying and  confirming  all that
said attorney-in-fact,  or his substitutes,  may lawfully do or cause to be done
by virtue hereof.

     IN WITNESS  WHEREOF,  this Power of Attorney has been signed as of the 19th
day of October, 2001.

                                        /s/ MICHAEL JAMES BARRETT
                                        ---------------------------------
                                        Michael James Barrett

                               Page 26 of 31 pages



                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS,  that each person whose  signature  appears
below hereby  constitutes and appoints Nancy L. Dorman,  Charles W. Newhall III,
and Louis S.  Citron,  and each of them,  with  full  power to act  without  the
others, his true and lawful  attorney-in-fact,  with full power of substitution,
to  sign  any  and all  instruments,  certificates  and  documents  that  may be
necessary,  desirable or  appropriate  to be executed on behalf of himself as an
individual or in his capacity as a general partner of any partnership,  pursuant
to section 13 or 16 of the  Securities  Exchange  Act of 1934,  as amended  (the
"Exchange Act"), and any and all regulations promulgated thereunder, and to file
the same,  with all exhibits  thereto,  and any other  documents  in  connection
therewith,  with the  Securities  and  Exchange  Commission,  and with any other
entity when and if such is mandated by the Exchange Act or by the By-laws of the
National   Association  of  Securities   Dealers,   Inc.,   granting  unto  said
attorney-in-fact  full power and  authority to do and perform each and every act
and thing necessary, desirable or appropriate, fully to all intents and purposes
as he might or could do in person,  thereby  ratifying and  confirming  all that
said attorney-in-fact,  or his substitutes,  may lawfully do or cause to be done
by virtue hereof.

     IN WITNESS  WHEREOF,  this Power of Attorney has been signed as of the 21st
day of April, 2002.

                                        /s/ EUGENE A. TRAINOR III
                                        ---------------------------------
                                        Eugene A. Trainor III

                               Page 27 of 31 pages




                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS,  that each person whose  signature  appears
below hereby constitutes and appoints Charles W. Newhall III and Louis S. Citron
and Eugene A. Trainor III, and each of them,  with full power to act without the
others, his true and lawful  attorney-in-fact,  with full power of substitution,
to  sign  any  and all  instruments,  certificates  and  documents  that  may be
necessary,  desirable or  appropriate  to be executed on behalf of himself as an
individual or in his capacity as a general partner of any partnership,  pursuant
to section 13 or 16 of the  Securities  Exchange  Act of 1934,  as amended  (the
"Exchange Act"), and any and all regulations promulgated thereunder, and to file
the same,  with all exhibits  thereto,  and any other  documents  in  connection
therewith,  with the  Securities  and  Exchange  Commission,  and with any other
entity when and if such is mandated by the Exchange Act or by the By-laws of the
National   Association  of  Securities   Dealers,   Inc.,   granting  unto  said
attorney-in-fact  full power and  authority to do and perform each and every act
and thing necessary, desirable or appropriate, fully to all intents and purposes
as he might or could do in person,  thereby  ratifying and  confirming  all that
said attorney-in-fact,  or his substitutes,  may lawfully do or cause to be done
by virtue hereof.

     IN WITNESS  WHEREOF,  this Power of Attorney  has been signed as of the 1st
day of January, 2005.

                                        /s/ FOREST BASKETT
                                        ---------------------------------
                                         Forest Baskett


                                        /s/ RYAN DRANT
                                        ---------------------------------
                                         Ryan D. Drant


                                        /s/ CHARLES M. LINEHAN
                                        ---------------------------------
                                         Charles M. Linehan


                               Page 28 of 31 pages






                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS,  that each person whose  signature  appears
below hereby constitutes and appoints Charles W. Newhall III and Louis S. Citron
and Eugene A. Trainor III, and each of them,  with full power to act without the
others, his true and lawful  attorney-in-fact,  with full power of substitution,
to  sign  any  and all  instruments,  certificates  and  documents  that  may be
necessary,  desirable or  appropriate  to be executed on behalf of himself as an
individual or in his capacity as a general partner of any partnership,  pursuant
to section 13 or 16 of the  Securities  Exchange  Act of 1934,  as amended  (the
"Exchange Act"), and any and all regulations promulgated thereunder, and to file
the same,  with all exhibits  thereto,  and any other  documents  in  connection
therewith,  with the  Securities  and  Exchange  Commission,  and with any other
entity when and if such is mandated by the Exchange Act or by the By-laws of the
National   Association  of  Securities   Dealers,   Inc.,   granting  unto  said
attorney-in-fact  full power and  authority to do and perform each and every act
and thing necessary, desirable or appropriate, fully to all intents and purposes
as he might or could do in person,  thereby  ratifying and  confirming  all that
said attorney-in-fact,  or his substitutes,  may lawfully do or cause to be done
by virtue hereof.

     IN WITNESS  WHEREOF,  this Power of Attorney has been signed as of the 17th
day of May, 2006.

                                        /s/ PATRICK J. KERINS
                                        ---------------------------------
                                        Patrick J. Kerins

                               Page 29 of 31 pages


                                POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS,  that each person whose  signature  appears
below hereby constitutes and appoints Charles W. Newhall III and Louis S. Citron
and Eugene A. Trainor III, and each of them,  with full power to act without the
others, his true and lawful  attorney-in-fact,  with full power of substitution,
to  sign  any  and all  instruments,  certificates  and  documents  that  may be
necessary,  desirable or  appropriate  to be executed on behalf of himself as an
individual or in his capacity as a direct or indirect general partner, director,
officer or manager of any partnership, corporation or limited liability company,
pursuant to section 13 or 16 of the Securities  Exchange Act of 1934, as amended
(the "Exchange Act"), and any and all regulations promulgated thereunder, and to
file the same, with all exhibits thereto,  and any other documents in connection
therewith,  with the  Securities  and  Exchange  Commission,  and with any other
entity when and if such is mandated by the Exchange Act or by the By-laws of the
National   Association  of  Securities   Dealers,   Inc.,   granting  unto  said
attorney-in-fact  full power and  authority to do and perform each and every act
and thing necessary, desirable or appropriate, fully to all intents and purposes
as he might or could do in person,  thereby  ratifying and  confirming  all that
said attorney-in-fact,  or his substitutes,  may lawfully do or cause to be done
by virtue hereof.

     IN WITNESS  WHEREOF,  this Power of Attorney has been signed as of the 20th
day of December, 2006.


                                        ---------------------------------
                                        Forest Baskett


                                        ---------------------------------
                                        M. James  Barrett


                                        ---------------------------------
                                        Peter J.  Barris


                                        ---------------------------------
                                        Ryan Drant


                                        ---------------------------------
                                        Paul Hsiao


                                        ---------------------------------
                                        Vladimir  Jacimovic


                                        ---------------------------------
                                        Patrick J. Kerins


                                        ---------------------------------
                                        Suzanne King

                               Page 30 of 31 pages


                                        /s/ KRISHNA  KOLLURI
                                        ---------------------------------
                                        Krishna  Kolluri


                                        ---------------------------------
                                        C. Richard Kramlich


                                        ---------------------------------
                                        Charles M. Linehan


                                        ---------------------------------
                                        Peter T. Morris


                                        ---------------------------------
                                        John M. Nehra

                                        ---------------------------------
                                        Charles W. Newhall III


                                        ---------------------------------
                                        Mark W. Perry



                                        ---------------------------------
                                        Michael Raab



                                        ---------------------------------
                                        Scott D. Sandell


                                        ---------------------------------
                                        Eugene A. Trainor III


                                        ---------------------------------
                                        Sigrid Van Bladel

                              Page 31 of 31 pages