According to our records, this business is located at 35 W Wacker Dr FL 4 in Chicago (in Cook County), Illinois 60601, the location GPS coordinates are: 41.8781136 (latitude), -87.6297982 (longitude). Leo Burnett Worldwide Inc is categorized under Newspaper Advertising (SIC code 7311). Known organization chairman of the board is Richard Fizdale. You can contact the company by phone at (312) 220-5959.