Joshua D. Greene is the John and Ruth Hazel Associate Professor of the Social Sciences and the director of the Moral Cognition Laboratory in the Department of Psychology, Harvard University. He studies the psychology and neuroscience of morality, focusing on the interplay between emotion and reasoning in moral decision-making. His broader interests cluster around the intersection of philosophy, psychology, and neuroscience. Greene’s publications have appeared in Science, Nature, and the Proceedings of the National Academy of Sciences USA. His research has been supported by the National Science Foundation, the National Institutes of Health, and the MacArthur Foundation. In 2012 he was awarded the Stanton Prize by the Society for Philosophy and Psychology. He is the author of Moral Tribes: Emotion, Reason, and the Gap Between Us and Them (The Penguin Press, Fall 2013).