- Covers how to use the power of celebrity to redefine one's image, grow a business, promote a platform, and create new business opportunities — Features new examples of celebrities from all walks of professional life, including Donald Trump, Martha Stewart, Dr. Phil, Oprah Winfrey, and Ace Greenburg. — The authors are world renowned business and marketing experts; Rein is professor of marketing at Northwestern; Kotler, a professor at the Kellogg School and author of Marketing Management the most widely used marketing book in graduate business schools worldwide.