"It's truly an honor to get to write Superman and Batman and Wonder Woman and all those great people, but when you can take something that's not well thought of and make it something that people do think highly of, that's much more gratifying, I think."
American television writer and producer known as a co-creator of Arrow, The Flash, Supergirl, and Legends of Tomorrow. He also wrote for comic books and earlier television projects including Justice League Unlimited and Eli Stone.