Dr. Berger is a professor of marketing at the Wharton School, University of Pennsylvania, and a world-renowned expert on social influence, word of mouth, and why things catch on. He has published almost 100 articles in top-tier academic journals and pioneered the use of natural language processing to draw behavioral insight from text. He is the internationally bestselling author of Contagious, Invisible Influence, The Catalyst and Magic Words, in print in more than 35 countries.
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