is Professor of Marketing and of Decisions, Risk, and Operations,

Columbia University.  Don received his Ph.D. and M.B.A. from the

University of Chicago in the fields of economics and mathematics,

has been teaching for more than forty years at Columbia, and is a

recipient of the Business School's Distinguished Teaching Award. 

Don is a visiting professor at the China Europe International Busi-

nessSchool in Shanghai  and has also taught at INSEAD, the Uni-

versity of California-Berkeley, the Australian Graduate School of

Management, Skolkovo (the Moscow School of Management),  the

U.S. Business School in Prague, the Hong Kong University of Science and Technology, and the Indian School of Business.  His articles have appeared in numerous publications such as the Harvard Business Review, Journal of Marketing,  Journal of Marketing Research, and Management Science.  He is the author of the best-sellingMarketing 101 (Wiley), translated into several languages including Chinese, Polish, Indonesian, and Turkish, Branding 101 (Wiley), translated into Russian, and Value Above Cost (Wharton School Publishing), which explains how marketing determines financial performance.  He is frequently quoted in media such as the New York Times, Business Week, Advertising Age, WCBS, and Beijing’s China Economic Daily. His research concerns marketing return on investment and branding and marketing strategy.  Don is the founder and president of The Arrow Group, Ltd.^®, a firm that provides consulting and training services in the areas of marketing and branding to companies such as GE, Pfizer, IBM, Unilever, Citi, Boeing, Sony, Verizon, Pepsi, and DuPont.