Stephen Kraus is author of three books on affluence and success in America.He currently serves as Chief Research & Insights Officer of Ipsos Mendelsohn, and oversees the Mendelsohn Affluent Survey, a 35-year tracking study of the lives, lifestyles, spending patterns and media habits of affluent Americans. He previously directed the Yankelovich Monitor, an industry-leading study of American values and generational change. His articles have appeared in Ad Age, AdWeek, BrandWeek, MediaPost's Engage: Affluent, and a variety of scientific and trade journals.Steve received his Ph.D. in social psychology from Harvard University, and twice won Harvard's award for teaching excellence. He lives in San Francisco with his wife and son.