Jonah Berger is a Marketing Professor at the Wharton School at the University of Pennsylvania, and he is a world-renowned expert on word of mouth, social influence, and consumer behavior. He has published dozens of articles in top‐tier academic journals, and he teaches Wharton’s highest rated online course. Accounts of his work often appear in places like The New York Times, Wall Street Journal, and Harvard Business Review. Dr. Berger is the author of multiple bestsellers including “Contagious: Why Things Catch On” and “Invisible Influence: The Hidden Forces that Shape Behavior.” Berger often keynotes major events. He also consults for companies like Apple, Google, GE, Coca-Cola, Vanguard, 3M, and The Gates Foundation.
Please note that our offices will be closed for a Winter Break Wednesday December 24, 2025 through Thursday January 1, 2026.
During the break Stukent Support will be monitoring incoming emails for urgent requests. We will resume normal business hours and respond to all emails and voicemails in the order received beginning Friday, January 2, 2026, at 6:00 AM MT.
Please note that our offices will be closed on Thursday, November 27th, and Friday, November 28th, in observance of Thanksgiving Day.
We will resume normal business hours beginning Saturday November 30th, at 10:00 AM MT.
Please note that our offices will be closed on Monday September 1, 2025 in observance of Labor Day.
We will resume normal business hours and respond to all emails and voicemails beginning Tuesday, September 2nd, at 6:00 AM MT.