Roger Lichtenberg Simon (born November 22, 1943) is an American novelist and screenwriter. He was formerly CEO of PJ Media (formerly known as Pajamas Media) and is now its CEO Emeritus. He is the author of eleven novels, including the Moses Wine detective series, seven produced screenplays and two non-fiction books. He has served as president of the West Coast branch of PEN, and as a member of the Board of Directors of the Writers Guild of America; he was also on the faculty of the American Film Institute and the Sundance Institute.