(The following is Peter Gwinn's wikipedia biography)
Peter Gwinn is a comedy writer and improviser from Evanston, Illinois. He attended Carleton College in Northfield, MN. He has taught at both the I.O. and Upright Citizens Brigade theaters and is the founder of the musical improv group Baby Wants Candy. He is the author of the 2003 book, Group Improvisation: The Manual of Ensemble Improv Games. Gwinn is currently a staff writer for the TV political satire The Colbert Report. He has made several on-screen appearances, as Jimmy the director, as a singer in a "Formula 401" sperm commercial and as a barbecue attendee.