Additionally, Warren is one of the founding faculty of TheFilmSchool, along with Tom Skerritt and Stewart Stern. For six years, Warren served as the Curator for the 1 Reel Film Festival (at Bumbershoot) and before that, worked in a variety of capacities for the Seattle International Film Festival. Warren has staged over 40 plays in New York, published five books, written countless magazine articles and recently completed a feature-length documentary, HUMOR ME. Warren is invited to speak at festivals and conferences worldwide. He is the host of Words & Wine and The Good Life, conversation series with A-list authors, and a regular contributor to Seattle's premiere public radio station, KUOW