Professor John Deighton is the Harold M. Brierley Professor of Business Administration at Harvard Business School. He is also the director of Marketing Science Institute, the world’s leading organization linking carefully selected (by invite-only) world’s top scholars and 70 CEOs and marketing managers of world’s leading companies (e.g. Boeing, AT&T, AmEx, Cisco, Kraft, Intel, McKinsey, etc.). He is an authority on consumer behavior and marketing, with a focus on online and direct marketing. He is the founder and director of the HBS Executive Education program titled Taking Marketing Digital.