Dr. William D. Wells is retired from being Professor of Advertising at the University of Minnesota School of Journalism and Mass Communication. Dr. Wells is the former Executive Vice President and Director of Marketing Services at DDB Needham Chicago. He is the only representative of the advertising business elected to the Attitude Research Hall of Fame. Dr. Wells was formerly Professor of Psychology and Marketing at the University of Chicago. He joined Needham, Harper, Chicago as Director of Corporate Research. He is the author of more than 60 books and articles.