Russell S. Winer is the William Joyce Professor of Marketing at the Stern School of Business, New York University. He received a B.A. in Economics from Union College and an M.S. and Ph.D. in Industrial Administration from Carnegie Mellon University. He has been on the faculties of Columbia and Vanderbilt universities and, most recently, the University of California at Berkeley. Professor Winer has been a visiting faculty member at M.I.T., Stanford University, New York University, Cranfield School of Management (U.K.), the Helsinki School of Economics, the University of Tokyo, and École Nationale des Ponts et Chausées. He has written three books, Marketing Management, Analysis for Marketing Planning and Product Management, and a research monograph, Pricing. He has authored over 60 papers in marketing on a variety of topics including consumer choice, marketing research methodology, marketing planning, advertising, and pricing. Professor Winer has served two terms as the editor of the Journal of Marketing Research, he is the past co-editor of Journal of Interactive Marketing, and he is on the editorial boards of the Journal of Marketing and Marketing Science. He has participated in executive education programs around the world and is currently an advisor to a number of startup companies.