Mark Waid is an American comic book writer, known for his work on titles for DC Comics such as The FlashKingdom Come and Superman: Birthright, and for his work on Captain AmericaFantastic Four, and Daredevil for Marvel Comics. From August 2007 to December 2010, Waid served as Editor-in-Chief, and later, Chief Creative Officer of Boom! Studios, where he wrote titles such as IrredeemableIncorruptible, and The Traveler. As a publisher, he runs, a cutting-edge website showcasing a wide variety of comics produced specifically for tablets and digital devices.