About
Gregory Sebastian Fitzsimmons (born April 5, 1966) is an American Emmy Award–winning television writer, podcast host, and performer. He made his late-night debut on the Late Show with David Letterman in 1996, has written for The Ellen DeGeneres Show, hosted MTV's Idiot Savants and SiriusXM's The Greg Fitzsimmons Show, released the hour-long special "Life on Stage" and hosts the long-running Fitzdog Radio podcast.
