McCann Worldgroup Claims the 2019 Global Agency of the Year Crown for the First Time in Almost 2 Decades
McCann Worldgroup Claims the 2019 Global Agency of the Year Crown for the First Time in Almost 2 Decades "We screwed up," admits Harris Diamond, CEO of McCann Worldgroup, sitting in his loftlike New York office in Midtown Manhattan. Emily Winiker for Adweek The end of 2018 marked a massive loss for McCann: the U.S.