A doctoral student at Northwestern University went missing after leaving a party in the early hours of Sunday morning in Chicago's Lincoln Park neighborhood, according to police. 

Authorities and loved ones of Peter Salvino are now searching for the 25-year-old, who was wearing a gray hooded sweatshirt and maroon pants when he disappeared. 

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Salvino's last contact was over FaceTime at 12:15 a.m. on Sunday, police said. He had plans to meet his father for the Chicago Bears game at Soldier Field on Sunday afternoon, but never showed up, according to WGN-TV. 

He's a doctoral student in Northwestern University's Interdepartmental Neuroscience PhD program, according to his LinkedIn. 

Salvino is about 6 feet tall and weighs 190 pounds. Anyone with information about his disappearance can contact Chicago Police Area 3 SVU at 312-744-8266.