New York, NY (May 8, 2019) – Omnicom Media Group (OMG), the media services division of Omnicom Group Inc. (NYSE: OMC), has named Philippa Brown CEO of PHD Worldwide. Brown, who joins PHD from her role as CEO of Omnicom Media Group UK, succeeds Mike Cooper, who was recently named Group CEO, Omnicom Media Group APAC and EMEA.