 At the University of Michigan, he performed in stage productions such as "Pride and Prejudice", "A Few Good Men", and "The Cripple of Inishmaan".Upon receiving his Bachelor of Fine Arts in 2009, Criss, along with some friends and classmates from the University of Michigan, co-founded StarKid Productions, a musical theater company.His most prominent acting role with StarKid has been that of Harry Potter in the musical comedies "A Very Potter Musical", "A Very Potter Sequel", and "A Very Potter Senior Year" (based on the "Harry Potter" series of novels by J.K. Rowling).