Comedian Greg Behrendt was a consultant for three consecutive seasons on Sex and the City, where he and Liz Tucillo, a writer on the programme, developed the idea of 'He's Just Not That Into You'. The book became a runaway success worldwide. His acclaimed stand-up comedy has been seen on HBO, The Tonight Show, Late Show with David Letterman and Late Night with Conan O'Brien. He lives in Los Angeles with his wife, Amiira Ruotola-Behrendt, and their two children.