 He then attended Columbia College Chicago, where acting teacher Sheldon Patinkin encouraged him to join the city's famed improv troupe, The Second City.Adsit joined Second City in 1987, and became part of its mainstage cast in 1994.He appeared in several Joseph Jefferson Award-winning revues, including "Piñata Full of Bees" and "Paradigm Lost" for which he won The Jeff Award for Best Actor in a Comedy.