Christopher Riley is a professional screenwriter who co-wrote the award-winning German language courtroom thriller After the Truth with his wife, Kathy Riley. The Rileys have written scripts for Disney’s Touchstone Pictures, Paramount Pictures, Mandalay Television Pictures, the late Sean Connery’s Fountainbridge Films, and Robert Cort Productions. Christopher produced the independent action-thriller Red Line and executive produced the web series Bump+. He is the author of the classic screenplay format guide The Hollywood Standard, now in its third edition, and teaches screenwriting at the undergraduate and graduate levels. His latest book, which he co-wrote with his wife Kathy, is “The Defining Moment: How Writers and Actors Build Characters.”