Roy Thomas was the FIRST Editor-in-Chief at Marvel—After Stan Lee stepped down from the position. Roy is a longtime comic book writer and editor. Thomas has written comics for Archie, Charlton, DC, Heroic Publishing, Marvel, and Topps over the years. Thomas currently edits the fanzine Alter Ego for Twomorrow's Publishing. He was Editor for Marvel comics from 1972-1974. He wrote for several titles at Marvel, such as Avengers, Thor, Invaders, Fantastic Four, X-Men, and notably Conan the Barbarian. Thomas is also known for his championing of Golden Age comic-book heroes—particularly the 1940s superhero team the Justice Society of America—and for lengthy writing stints on Marvel's X-Men and Avengers, and DC Comics' All-Star Squadron, among other titles. Also a legendary creator. Creations include Wolverine, Carol Danvers, Ghost Rider, Vision, Iron Fist, Luke Cage, Valkyrie, Morbius, Doc Samson, and Ultron. Roy has also worked for Archie, Charlton, and DC among others over the years.

Stan Lee (born Stanley Martin Lieber) was an American writer, editor, creator of comic book superheroes, and the former president and chairman of Marvel Comics. With several artist co-creators, most notably Jack Kirby and Steve Ditko, he co-created Spider-Man, the Fantastic Four, Thor as a superhero, the X-Men, Iron Man, the Hulk, Daredevil, the Silver Surfer, Dr. Strange, Ant-Man and the Wasp, Scarlet Witch, The Inhumans, and many other characters, introducing complex, naturalistic characters and a thoroughly shared universe into superhero comic books. He subsequently led the expansion of Marvel Comics from a small division of a publishing house to a large multimedia corporation.

Dennis "Denny" O'Neil was a comic book writer and editor best known for his work for Marvel Comics and DC Comics from the 1960s through the 1990s, and Group Editor for the Batman family of titles until his retirement. His best-known works include Green Lantern/Green Arrow and Batman with Neal Adams, The Shadow with Michael Kaluta and The Question with Denys Cowan. As an editor, he is principally known for editing the various Batman titles. From 2013 unti his death, he sat on the board of directors of the charity The Hero Initiative and served on its Disbursement Committee.