From Wikipedia, the free encyclopedia Rob LaZebnik (born May 6, 1962) is an American television writer. He graduated from David H. Hickman High School in Columbia, Missouri and Harvard University. He currently works as a co-executive producer on The Simpsons and is credited with having written 20 episodes: "Treehouse of Horror XI" (the "G-G-G-Ghost D-D-D-Dad" segment), "Homer vs. Dignity", "Father Knows Worst", "Boy Meets Curl", "The Blue and the Gray", "The Daughter Also Rises", "The Changing of the Guardian", "