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Leo Burnett
Founded in Chicago in 1935, Leo Burnett Worldwide is a wholly-owned subsidiary of Paris-based Publicis Groupe S.A.
+1 312-220-5959
Latest News
Nov. 11, 2026
M&S Food and Mindshare win Grand Effie at the 2026 Effie Awards UK
Thirty-one Gold, Silver and Bronze Effies were also awarded this year with adam&eve\TBWA the biggest agency winner
Nov. 11, 2026
64% of Young Americans Say Brand Social Posts are Starting to Blend Together
Born Social identifies the rise of the "headless brand", as creators, communities and AI increasingly shape brand perception