DOHA, Qatar, May 30, 2024 /PRNewswire/ -- Omnicom (NYSE: OMC) Chairman and CEO John Wren today named Mazen Abd Rabbo as Senior Vice President of the newly formed Omnicom Qatar. Abd Rabbo will oversee Omnicom's agencies in the country, focusing on talent, cross agency collaboration, and innovation to drive growth in the Middle East. Abd Rabbo will be responsible for bringing together the power of Omnicom to provide exceptional integrated solutions to meet the needs of current and prospective clients in Qatar ...