Mary Jo Markey is an American film and television editor, who has also worked as an actress. Markey has edited several mainstream films including Medicine Man, Bad Boy, and Mission: Impossible III. She has also worked as an editor on several television shows, such as three episodes of Felicity, Breaking News, Skin, fourteen episodes of Alias, and is also chief editor on Lost. She is a member of the American Cinema Editors and is a frequent collaborator with J.J. Abrams, having worked with him on three of his television shows (Felicity, Alias, and Lost) as well as editing his debut feature film (Mission: Impossible III) and the 2009 Star Trek film.
Markey has been elected to membership in the American Cinema Editors.[1]