David J. North is an American screenwriter and producer who has worked on shows such as the Late Show with David Letterman, Scorpion, Rizzoli & Isles, NCIS: Los Angeles, and the celebrated crime drama NCIS: Naval Criminal Investigative Service which he has both written and produced since its inception in 2003. To date he has penned more than thirty NCIS episodes including the two-part season five finale, "Judgment Day Part 1 & 2" (co-written with Steven D. Binder), and the season six finale, "Aliyah". North is a 2003 graduate of Indiana University and currently resides in Manhattan Beach, California.