Richard Arneson is Professor Above Scale (Distinguished Professor) at the University of California, San Diego, where he has taught since 1973. He also holds the Valtz Family Chair in Philosophy at UCSD. His writing focuses primarily on political philosophy, and has explored how norms of personal responsibility might best play a role in broadly egalitarian theories of distributive justice. rarneson@ucsd.edu

Nancy Birdsall is founding president of the Center for Global Development. From 1993 to 1998 she served as executive vice president of the Inter-American Development Bank. Before that she worked fourteen years in research, policy, and management positions at the World Bank, including as director of the Policy Research Department. Prior to launching the Center, she served for three years as senior associate and director of the Economic Reform Project at the Carnegie Endowment for International Peace, where her work focused on globalization, inequality, and the reform of the international financial institutions. Birdsall is the author, co-author, or editor of more than a dozen books and many scholarly articles. Her most recent publications include Cash on Delivery: A New Approach to Foreign Aid and New Ideas on Development after the Financial Crisis, the latter co-edited with Francis Fukuyama. Her writing has appeared in dozens of U.S. and Latin American newspapers and periodicals. President@cgdev.org

Helena de Bres is assistant professor of philosophy at Wellesley College. She has a PhD in Philosophy from the Massachusetts Institute of Technology and writes on international distributive justice. hdebres@wellesley.edu

Miwa Hirono is at the University of Notthingham, where she is a research fellow of the Research Councils of the U.K. at the School of Politics and International Relations; senior research fellow at the China Policy Institute; and deputy director of the Institute of Asia and Pacific Studies. She is also a visiting fellow at the Australian National University. Her publications include China's Evolving Approach to Peacekeeping (2012) and Civilizing Missions: International Christian Agencies in China (2008). She has taught at the University of Cambridge, the Australian National University, and the University of Canterbury, New Zealand. Miwa.Hirono@nottingham.ac.uk

Christopher Kutz is the C. William Maxeiner Professor of Law in the Jurisprudence and Social Policy Program at Berkeley Law School. Kutz's work focuses on moral, political, and legal philosophy, and he has particular interest in the foundations of criminal, international, and constitutional law. His current work centers on democratic theory, the law of war, the metaphysics of criminal law, and the nature of political legitimacy. He is the author of Complicity: Ethics and Law for a Collective Age (2000); “The Lawyers Know Sin: Complicity in Torture,” in The Torture Debate in America (2006); as well as numerous articles in scholarly journals. His forthcoming book, War and Democracy, will be published by Princeton University Press in 2015. ckutz@law.berkeley.edu

Jacinta O'Hagan is a fellow in the Department of International Relations, School of International, Political, and Strategic Studies at the Australian National University. She previously taught at the University of Queensland and held visiting fellowships and affiliations at the University of Southern California, Massachusetts Institute of Technology, the University of Wales, Aberystwyth University, and the European University Institute. Her publications include Conceptions of the West in International Relations Thought: From Oswald Spengler to Edward Said (2002), and Contending Images of World Politics (2000). jacinta.ohagan@anu.edu.au

Ruben Reike is a post-doctoral research fellow at the European University Institute, working on the European Research Council-funded “Individualisation of War” project. Ruben holds a DPhil in International Relations from Somerville College, University of Oxford, where he was funded by the Economic and Social Research Council and the Scatcherd European Scholarship, and a Master of International Studies from the University of Queensland. He has also worked for Amnesty International. Ruben's current research project examines challenges and dilemmas arising from efforts to operationalize accountability for the perpetration of international crimes committed in the course of armed conflict. ruben.reike@some.ox.ac.uk

Mathias Risse is professor of philosophy and public policy at Harvard University, working 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 (rationality and fairness in group decision-making, an area sometimes called analytical social philosophy.) His articles have appeared in many journals, including Ethics, Philosophy & Public Affairs, Nous, Journal of Political Philosophy, and Social Choice and Welfare. Risse studied philosophy, mathematics, and mathematical economics at the University of Bielefeld, the University of Pittsburgh, the Hebrew University of Jerusalem, and Princeton University. He received his BA, BS, and MS in mathematics from Bielefeld, and his MA and PhD in philosophy from Princeton. Before coming to Harvard 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. Mathias_Risse@hks.harvard.edu

Anna Stilz is associate professor of politics at Princeton University. Her research focuses on questions of political membership, authority and political obligation, nationalism and self-determination, and collective agency and responsibility. She also has a strong interest in early modern political thought, particularly of the seventeenth and eighteenth centuries. Her first book, Liberal Loyalty: Freedom, Obligation, and the State, was published in 2009. She is currently working on a book on self-determination and the rights of states to control land and territory. astilz@Princeton.edu