Jonah Berger

About the author

JONAH BERGER is professor of marketing at the University of Pennsylvania's Wharton School of Business. He studies behavior change, social influence, word of mouth, and why products become popular. He wrote the books Contagious and Invisible Influence and has published over 50 academic papers plus articles in major news outlets.

Berger consults with companies like Google, Apple, Nike, and the Gates Foundation. He graduated from Stanford's business school.