Jonah Berger is a renowned professor at the Wharton School of the University of Pennsylvania, specializing in marketing and social influence. With a PhD from Stanford University, he is a prolific author and researcher, known for his bestselling books "Contagious: How to Build Word of Mouth in the Digital Age" and "Invisible Influence: The Hidden Forces that Shape Behavior." His work explores the science behind why things catch on, how social dynamics affect decisions, and how influence operates in various contexts. Berger is a sought-after speaker and consultant, offering insights into behavioral economics and consumer behavior, helping businesses leverage social trends effectively.