Chuck Brymer went from Louisville's Main Street to Madison Avenue as a leading brand expert whose work influences decision-making around the world. The chairman of DDB Worldwide Communications Group, a top advertising and marketing agency, speaks with business leader and community activist Maggie Payette Harlow about the impact of his work and how his Kentucky roots have been an advantage. His clients include Volkswagen, McDonald's, Samsung, Johnson & Johnson, Audi, Miller, Coors and Pepsi.