Jack was a regular performer at iO Theater in Chicago where he performed with a number of Harold teams and JTS Brown. He also performed on the Second City e.t.c. stage.
After moving to New York, he became a regular performer at the UCB Theatre and has appeared in many shows in the Del Close Marathon.
TV and Film
- Regular on 30 Rock
- Played Darald in Forgetting Sarah Marshall
- Kenneth the Page on Late Night with Conan O'Brien.