C. B. Cebulski

Chester Bror Cebulski is an American writer and editor for Marvel Comics, known for his work on titles such as Marvel Fairy Tales. He was the editor-in-chief of Marvel Comics, a position he held from November 2017 to July 2026, the third longest tenure for Marvel EIC. On July 16, 2026, Marvel announced Cebulski would be stepping down as EIC, marking the third-longest tenure at that position in the company's history, in order to return to Tokyo to serve as Marvel's Asia Originals Editor, overseeing the expansion the publisher's manga and original graphic fiction line, and that Stephen Wacker would replace him as Editor in Chief.