Formerly: Writer, Director, Performer, Juggler, Comedian, Circus Artist: Freihofer's Mime Circus; Juggler's Guild; 7 years as Creative Director, Walt Disney Imagineering Virtual Reality Studio, working on projects for Disney theme parks, DisneyQuest, Toontown Online, the first massively multiplayer game for kids. 2002, joined Entertainment Technology Center, Carnegie Mellon; advises research projects and teaches Game Design and Building Virtual Worlds. CEO, Schell Games, the largest game studio in Pennsylvania. Former Chairman, International Game Developers Association. Author of The Art of Game Design: A Book of Lenses. Named one of the world's Top 100 Young Innovators, Technology Review, MIT's magazine of innovation (2004).