Greg Pak is an American writer and film director, known primarily for his work in comic books. He has written for Marvel Comics, including popular series and characters such as Hulk (Planet Hulk, World War Hulk), X-Men (Phoenix Endsong), Spider-Man, Hercules, and Darth Vader for Star Wars. He has also worked for DC Comics and created his own comic books like "Code Monkey Save World" and "Mech Cadet Yu". His style is often characterized by epic scope and complex world-building. He is a graduate of Yale University, Oxford University, and New York University, where he studied film.