TBWA Worldwide is an international advertising agency whose main headquarters are in Midtown Manhattan, New York City, United States. Since 1993, the agency has been a unit of Omnicom Group, the world's second largest advertising agency holding company. History. TBWA was founded in 1970 in Paris, France, by William G. Tragos (Greek-American, Management), Claude Bonnange (French, Marketing), Uli Wiesendanger (Swiss, Creation), and Paolo Ajroldi (Italian, Client Services). The first letter of each founder's name provided the initials for the new organization.
https://en.wikipedia.org/wiki/TBWA_Worldwide