Bobby J. Calder is the Charles H. Kellstadt Professor of Marketing and the current chairperson of the Department of Marketing at the Kellogg School of Management, Northwestern University. Previously, he has taught at the Wharton School, University of Pennsylvania, and has been a consultant for Booz Allen Hamilton. He is the author of numerous research studies and articles. He has been a consultant to companies such as Aetna, Bristol-Myers Squibb, Cemex, Coca-Cola, General Electric, General Motors, McDonald's, Motorola, Prudential, Tribune Co., and Time Warner.