TBWA Worldwide is an international
advertising agency whose headquarters are in
Midtown Manhattan,
New York City,
United States. The Agency is a unit of
Omnicom Group, the world's largest advertising agency holding company. It was founded in 1970 in
Paris,
France, by William G. Tragos (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. They were purchased by the
Omnicom Group in 1993.