Greg Behrendt is a comedian and author who got his start performing stand-up and improvisation in San Francisco as a member of the improv group Crash and Burn. Behrendt landed a job as a script consultant on HBO's Sex and the City, and his input on contemporary relationships led to the New York Times bestseller He's Just Not That into You, which he co-wrote with Liz Tuccillo. The 2004 book was adapted into a film of the same name starring Drew Barrymore, Bradley Cooper, Jennifer Connelly and Scarlett Johansson in 2009. In addition to his work on television, including his 2006 stand-up special on Comedy Central, Greg Behrendt is Uncool, Behrendt plays guitar in the instrumental surf/ska band the Reigning Monarchs.