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Editor, Editor in Chief

Editor:    In National Geographic context capitalize as a shortened form for Editor in Chief:
            Editor Chris Johns, National Geographic
the first editor of the Geographic
Editor's Note,
but     Editor's column

Editor in Chief:    Capitalize when it immediately precedes a personal name; otherwise lowercase  and used without hyphens in the context of NATIONAL GEOGRAPHIC magazine:
            Editor in Chief Chris Johns
            the editor in chief

The title may be shortened to Editor.