David Iserson is a novelist, screenwriter, television writer, and producer.When he was twenty five, he was hired to write on the 2003-2004 season of Saturday Night Live. He has written and produced episodes of "Mr. Robot," "Mad Men,' "New Girl," "Up All Night," and "United States of Tara." His first book, the young adult novel, "Firecracker, was published in 2014.