Longtime executive Duff Stewart will step down as chief executive (CEO) of GSD&M after 35 years at the agency, handing the reins to president Lee Newman, ADWEEK can exclusively share. Stewart will transition into a chairman role at the Austin, TX-based full-service agency, which is owned by Omnicom Group. Stewart has spent most of his…Longtime executive Duff Stewart will step down as chief executive (CEO) of GSD&M after 35 years at the agency, handing the reins to president Lee Newman, ADWEEK can exclusively share. Stewart will transition into a chairman role at the Austin, TX-based full-service agency, which is owned by Omnicom Group. Stewart has spent most of his… Read More
