Cosima Marriner has started as The Sydney Morning Herald's Deputy Editor. She began her career at the masthead's business desk 20 years ago and has held a variety of roles at the company, including Deputy Editor of Sunday Life, Queensland Correspondent at The Age and The Sydney Morning Herald, and, most recently, Editor of The Sun-Herald.

Lisa Davies, Editor of The Sydney Morning Herald, said, "Cosima brings boundless energy, fresh ideas and strategic thinking to the role."