Founder of McCann Worldgroup, Visionary CEO of McCann and IPG, and Architect of the Modern Integrated Global Agency Network From 2000 to 2003, John served as Chairman and CEO of Interpublic Group, McCann Worldgroup's parent company. As CEO of IPG, Dooner led the acquisition of True North, bringing the formidable FCB, then the fourth-largest agency in the U.S., and Deutsch into the group and expanding Interpublic's global creative leadership. Dooner returned to lead McCann Worldgroup as Chairman from 2003 to ...