Dr. Jonah Berger is a marketing professor at the Wharton School at the University of Pennsylvania and internationally bestselling author of Contagious, Invisible Influence, and The Catalyst. He received a BA from Stanford University in Human Judgment and Decision Making, and a PhD from Stanford in Marketing.

Dr. Berger is a world-renowned expert on change, word of mouth, influence, consumer behavior, and how products, ideas, and behaviors catch on. He has published over 50 articles in top-tier academic journals as well as three international best-selling books including Contagious: Why Things Catch On. He teaches Wharton’s highest rated online course, and accounts of his work often appear in places like The New York Times Wall Street Journal, and Harvard Business Review. Listen in on Guy Kawasaki's Remarkable People podcast and learn about why things go viral from world-renowned expert on change, Dr. Jonah Berger.