Mathias Risse is Professor of Philosophy and Public Policy at Harvard Kennedy School. He works mostly in social and political philosophy and in ethics. His primary research areas are contemporary political philosophy (in particular questions of international justice, distributive justice, and property) and decision theory (in particular, rationality and fairness in group decision-making, an area sometimes called analytical social philosophy.) His articles have appeared in journals such as Ethics; Philosophy and Public Affairs; Nous; the Journal of Political Philosophy; and Social Choice and Welfare. He received his BA, BS and MS in mathematics from Bielefeld, and his MA and PhD in philosophy from Princeton. Before coming to Harvard University he taught in the Department of Philosophy and the Program in Ethics, Politics and Economics at Yale. His books On Global Justice and Global Political Philosophy were both published in 2012.