Jeffrey Ross Lifschultz (born September 13, 1965), known professionally as Jeff Ross, is an American stand-up comedian, insult comic, actor, director and author. His skill is doing high-profile celebrity roasts and he is best known for his appearances in Comedy Central's Roasts and he has been dubbed "The Roastmaster General." He has appeared in various film, television, and cartoon projects. He has made appearances at events for U.S.