Gregory S. Carpenter is the James Farley/Booz Allen Hamilton Professor of Marketing Strategy and director of the Center for Market Leadership at the Kellogg School of Management of Northwestern University, and he hosts the annual Kellogg Marketing Leadership Summit. He is a frequent speaker on marketing strategy and his research has been featured in Harvard Business Review, Financial Times, and ... Read moreNPR. Gary F. Gebhardt is visiting professor of Marketing at HEC Montreal, following seven years as assistant professor of Marketing at the University of South Florida's College of Business Administration. John F. Sherry, Jr. is Herrick chair and chairman of the Marketing Department at University of Notre Dame. An anthropologist, he taught at Northwestern's Kellogg School for over two decades. Show Less