Geoff Johns is an American comic book and television writer, film and television producer.He is the Chief Creative Officer at DC Comics, a position he has served in since 2010. His most notable work in different media has used the DC Comics characters Green Lantern, Aquaman, The Flash and Superman.In 2006, Johns co-wrote the story for the Justice League Unlimited episode "Ancient History", which starred Hawkman, Hawkgirl, Vixen, Shadow Thief and the Green Lantern John Stewart.Johns served as a co-producer and creative consultant for Green Lantern (2011) directed by Martin Campbell and starring Ryan Reynolds.He is an executive producer on Batman v Superman: Dawn of Justice (2016), directed by Zack Snyder and starring Henry Cavill and Ben Affleck.As of mid-2015, Johns and Ben Affleck are co-writing the screenplay for a standalone Batman film.