PAUL J. ZAK, PH.D. is the founding Director of the Center for Neuroeconomics Studies and Professor of Economics, Psychology, and Management at Claremont Graduate University. He was part of the team of scientists that first made the connection between oxytocin and trust—and his TED talk on the topic has received over a million views. He has appeared on CNN, Fox Business, Dr. Phil, Good Morning America, and ABC World News Tonight.