Jonah Berger is a marketing professor at the Wharton School of the University of Pennsylvania and an internationally bestselling author. He has published over 80 articles in top-tier academic journals and written for prestigious publications like The New York Times and Harvard Business Review. Dr. Berger's expertise spans natural language processing, change, word of mouth, influence, consumer behavior, and viral marketing. His books, including "Contagious: Why Things Catch On" and "The Catalyst: How to Change Anyone's Mind," have sold over a million copies and been translated into over 35 languages. Berger is a sought-after keynote speaker at major conferences like SXSW and Cannes Lions. He consults for leading organizations such as Apple, Google, Nike, and the Gates Foundation. Dr. Berger received his Ph.D. in Marketing from Stanford's Graduate School of Business and has been recognized with numerous awards for both scholarship and teaching. He currently resides in Philadelphia, where he continues to explore the science behind social influence and behavior change.