Mark O'Keefe grew up in the New York City suburb of Chappaqua. He started his career as a television writer for The Late Show With David Letterman. He has worked as a writer for such shows as Politically Incorrect and NewsRadio, and created and executive produced various pilots, as well as the short-lived series The O'Keefes.
Note: This profile was written in or before 2007.
Mark O'Keefe Facts