Mixing an incisive wit with scathing sarcasm, Greg Fitzsimmons has achieved success as a stand-up, Emmy Award winning writer and host on both radio and TV. A regular with David Letterman, Conan O'Brien, Jimmy Kimmel, and Jay Leno, Greg has made more than 50 visits to "The Howard Stern Show". He also hosts "The Greg Fitzsimmons Show," on Sirius XM's "Howard 101" and twice a week puts out the hugely popular "FitzDog Radio" Podcast.