Professor Damon Centola is Director of the Network Dynamics Group at the University of Pennsylvania. He has also worked at M.I.T. and Harvard. He has won many awards for his groundbreaking research. Popular accounts of Professor Centola's work have appeared in The New York Times, The Washington Post, The Wall Street Journal, Wired, TIME, and CNN. His research has been funded by the Robert Wood Johnson Foundation, the National Science Foundation, the National Institutes of Health, the James S. McDonnell Foundation, and the Hewlett Foundation. He is a series editor for Princeton University Press.