Geoff Johns is an award-winning producer, screenwriter and one of the most popular contemporary comic book writers working today. Johns is the author of the New York Times bestselling graphic novels Justice League: Origin , Aquaman: The Trench , Blackest Night , Flashpoint , Green Lantern: The Sinestro Corps Wars and Batman: Earth One . Recently, he brought the world of Watchmen crashing into the DC Universe in the pages of DC Universe: Rebirth and Doomsday Clock . Johns has been at the helm of many DC films, including serving as executive producer on such box office hits as Wonder Woman , Suicide Squad , Batman v Superman: Dawn of Justice and Aquaman . He has also written for various other media, including episodes of The Flash , Arrow , and Adult Swim's Robot Chicken , for which he was nominated along with his co-writers for an Emmy. Johns is currently the head of Mad Ghost Productions and working with Warner Bros. and DC Films to bring their iconic stable of heroes to life on the big and small screens.