WORLD : Omnicom Media Group (OMG) is the media division of Omnicom (NYSE: OMC), one of the world's largest networks of advertising and communications agencies. OMG has more than 17,000 employees worldwide in over 100 countries. BELGIUM : The group in Belgium is composed of 3 agencies ( OMD, PHD and Semetis). More than 150 clients from all sectors are supported on a daily basis by the Group's employees in Belgium, across all media (TV, Outdoor, Search, Social Networks, etc.). Omnicom Media Group Belgium is present on 2 sites (Brussels and Zaventem). The goal of OMG in Belgium is to make faster and better decisions that lead to better business results. OMG's ambition is to be the marketing partner that has the greatest impact on its client's business.