Damon Centola is Professor of Communication, Sociology and Engineering at the University of Pennsylvania, where he directs the Network Dynamics Group. His research on social networks and cultural change has been published in the world's leading scientific journals, garnering a long list of scientific awards across several disciplines. His work has been covered in the New York Times, Wall Street Journal, TIME, US News & World Report, Washington Post, and hundreds of other media outlets. His speaking and consulting clients include Amazon, Microsoft, Apple, Cigna, the Smithsonian Institution, the American Heart Association, the National Academies, the U.S. Army and the NBA. He is a Senior Fellow at the Leonard Davis Institute of Health Economics and a series editor at Princeton University Press.