 He later worked as an editor at DC Comics from 1994 to 2000, during which he edited a number of books published under their Vertigo line, such as "Doom Patrol", "Animal Man", "Hellblazer", "Preacher" and "100 Bullets".In 2000 he went to work for Marvel Comics as a Senior Editor, while there he edited Spider-Man and X-Men-related books before ascending to Vice President, Executive Editor in 2010, and Editor-in-Chief in January 2011, replacing Joe Quesada.He has also worked as a writer and inker.