Tom Sito has been a professional animator since 1975. He was one of the key players in Disney's animation revival of the 1980s and 1990s and he helped set up the Dreamworks Animation Unit in 1995. He is the author of Drawing the Line: The Untold Story of the Animation Unions from Bosko to Bart Simpson and Professor of Cinema Practice in the School of Cinematic Arts at the University of Southern California.