Greg Behrendt is an American comedian, author, and television writer, best known for his work on the popular TV show Sex and the City. He gained fame for his humorous insights on relationships and dating, which he shared in his bestselling book, He's Just Not That Into You. In addition to his writing and stand-up comedy, Behrendt has appeared in various television shows and films. He has also hosted his own talk show, The Greg Behrendt Show, and continues to perform live comedy, engaging audiences with his relatable and entertaining style.