Joshua D. Greene, PhD, is Professor of Psychology, a member of the Center for Brain Science faculty, and the director of the Moral Cognition Lab at Harvard University.
India Morrison, PhD, is Assistant Professor in the Department of Clinical and Experimental Medicine at Linköping University, Sweden, and co-founder of the Group for Research in Affective Somatosensation and Pain (GRASP).
Martin E.P. Seligman, PhD, is Director of the Penn Positive Psychology Center and Zellerbach Family Professor of Psychology in the Penn Department of Psychology, and Director of the Penn Master of Applied Positive Psychology program (MAPP).