An alumnus of the University of Southern California, Adam Sztykiel is an American screenwriter who is best known for creating the show the American sitcom Undateable, which is based on Ellen Rakieten and Anne Coyle's novel titled Undateable: 311 Things Guys Do That Guarantee They Won't be Dating or Having Sex. He made his debut in 2008 with the romantic comedy Made of Honor, the screenplay of which he co-wrote with Deborah Kaplan and Harry Elfont. Among his other writing credits are Due Date, Alvin and the Chipmunks: The Road Chip, and Rampage.