Jonathan D. Moreno is the David and Lyn Silfen University Professor at the University of Pennsylvania where he teaches bioethics and the history of science. He is also a senior fellow at the Center for American Progress. His most recent book is Impromptu Man: J.L. Moreno and the Origins of Psychodrama, Encounter Culture, and the Social Network. His previous books include Undue Risk (2000), The Body Politic (2011) and Mind Wars (2012). He is an elected member of the National Academy of Medicine and a past president of the American Society for Bioethics and Humanities. Moreno has served as senior staff for three presidential commissions and was a member of President Barack Obama's transition team.