Jay LevinsonJay Conrad Levinson is the author of the best-selling marketing series in history, “Guerrilla Marketing.” His books have sold more than 20 million copies worldwide and have influenced marketing so much that they appear in 62 languages. Today, Guerrila Marketing is most powerful brand in the history of marketing, listed among the 100 best business books ever written, and is a popular website at www.gmarketing.com. Read More Read Less