Jonah Berger

Jonah Berger is a marketing professor at the Wharton School at the University of Pennsylvania and the bestselling author of ContagiousInvisible Influence, and The Catalyst. He is an expert on change, word of mouth, influence, consumer behavior, and how products, ideas, and behaviors catch on. He received a BA from Stanford University in Human Judgment and Decision Making, and a Ph.D. from Stanford in Marketing.