David (panel moderator) is a veteran performer of The Second City, IO Theater, Improv Institute, and Annoyance Theatre. He studied under Del Close in the early 80s and became part of the first iO Harold team, Baron's Barracudas. He appeared in four Mainstage revues at Second City, where he performed alongside Chris Farley, Tim Meadows, Joel Murray, and Bob Odenkirk. He has also performed in plays at Steppenwolf Theatre and the Goodman Theatre. Since 2002, he currently performs with T. J. Jagodowski in "TJ and Dave," one of the more popular running improv shows performing both in Chicago and New York.