Michael E. Price is Senior Lecturer in Psychology, and co-Director of the Centre for Culture and Evolutionary Psychology, at Brunel University London. He has a BA from Duke University and a PhD from the UC Santa Barbara Center for Evolutionary Psychology, and he has conducted studies among both Westerners and indigenous Amazonians. His research focuses mainly on the evolutionary origins of moral beliefs, especially those related to cooperation, punishment, egalitarianism, leadership, and sexual behavior.