Christian Barry is Deputy Director of the Research School of the Social Sciences and a Senior Lecturer in the School of Philosophy at Australian National University. His work focuses on moral and political theory, with a particular emphasis on questions of international justice. Barry is the author (with Sanjay Reddy) of International Trade and Labor Standards: A Proposal for Linkage (2008), and his articles have appeared in many journals, including Philosophy & Public Affairs; Journal of Political Philosophy; Philosophy, Politics & Economics; Review of International Studies; and Ethics & International Affairs, where he was editor from 2003 to 2007. Currently, he is working on a book about the distinction between doing and allowing harm. christian.barry@anu.edu.au

Antonio Franceschet is Associate Professor of Political Science at the University of Calgary. He is the author of Kant and Liberal Internationalism: Sovereignty, Justice, and Global Reform (2002) and the editor of The Ethics of Global Governance (2009). He has published numerous articles on international theory, ethics, and law in Journal of International Political Theory, Journal of Global Ethics, Review of Inter-national Studies, and European Journal of International Relations, among others. afrances@ucalgary.ca

Ian Hurd is Associate Professor of Political Science at Northwestern University, and in 2010–2011 was a Fellow at the Niehaus Center for Globalization and Governance at the Woodrow Wilson School at Princeton University. He is the author of many works on international organizations, international relations, and international law, including After Anarchy: Legitimacy & Power in the United Nations Security Council (2007) and International Organizations: Politics, Law, Practice (2011), as well as articles in Inter-national Organization, Foreign Affairs, Global Governance, and other journals. ianhurd@northwestern.edu

The Honourable Michael Ignatieff is a former Leader of the Liberal Party of Canada and currently a Senior Resident at Massey College, University of Toronto. He is the author of, among other works, The Lesser Evil: Political Ethics in an Age of Terror (2004), Human Rights as Politics and Idolatry (2001), Isaiah Berlin: A Life (1998), and The Needs of Strangers (1984). His essays have appeared in the New York Times Magazine, Financial Times, Harper's Magazine, Dissent, and many other journals and publications. michael.ignatieff@utoronto.ca

George A. Lopez holds the Hesburgh Chair in Peace Studies at the Kroc Institute, University of Notre Dame. He has written extensively on economic sanctions, and in July 2011 he completed ten months of service on the UN Panel of Experts for the Sanctions on North Korea. He is currently completing a book titled The Sanctions Puzzle, and serves as a frequent speaker and consultant to groups interested in sanctions, peace, and human rights. George.A.Lopez.1@nd.edu

Nicholas Rengger is Professor of Political Theory and International Relations at St Andrews University and a Carnegie Council Global Ethics Fellow. He has served on the Governing Council of the Royal Institute for International Affairs, Chatham House, and was chair of the International Ethics Section of the International Studies Association. He also served as editor of the Review of International Studies from 2006 to 2010. He has published on many aspects of political philosophy, intellectual history, and international relations. His most recent book is a study of the ambiguity of the modern just war tradition, titled State of War (forthcoming), and he is currently working on a series of studies of political theory and world order. njr3@st-andrews.ac.uk

David Rodin is Director of Research at the Uehiro Centre for Practical Ethics at Oxford University and a Carnegie Council Senior Fellow. A former Rhodes Scholar from New Zealand, he holds a B.Phil. and doctorate in philosophy from Oxford University. His research covers a broad range of issues in moral and political philosophy, with particular emphasis on applied and public policy issues. He has worked on just war theory and the ethics of international conflict, business ethics, and bioethics. Rodin's first book, War and Self-Defense (2002), was awarded the American Philosophical Association Frank Chapman Sharp Prize for the best monograph on the philosophy of war and peace. david.rodin@politics.ox.ac.uk

Kenneth A. Rodman is the William R. Cotter Distinguished Teaching Professor of Government at Colby College. His work on the relationship between international criminal justice and conflict resolution has appeared in Ethics & Inter-national Affairs, Human Rights Quarterly, Leiden Journal of International Law, and the Encyclopedia of Global Justice. He is the author, most recently, of “Pacting the Law within Politics: Lessons from the International Criminal Court's First Investigations,” in Peter Malcontent, ed., Facing the Past: The Effectiveness of Remedies for Past Historical Injustice (forthcoming). karodman@colby.edu

Cheyney Ryan is a Senior Fellow of the Carnegie Council; a Fellow of Oxford University's Institute for Ethics, Law, and Armed Conflict; and a Professor of Law at the University of Oregon. He has published widely on issues of war and peace, most recently “Democratic Duty and the Moral Dilemmas of Soldiers” in Ethics (October 2011), and is a recipient of the Joseph J. Blau Prize from the Society of Advancement of American Philosophy. His current project is on the ethical and political foundations of pacifism. cheyney.ryan@politics.ox.ac.uk

Benjamin Schiff is Williams-Smith Professor of Politics at Oberlin College, where he teaches about international relations, law, and organization; war, weapons, and arms control; and Middle East politics. He was Visiting Professor of Law at Leiden University's Grotius Centre for Internat-ional Legal Studies 2005–2006. Schiff is the author of Building the International Criminal Court (2008), two previous books on international organizations, and the co-author of a book on South Africa during its transition to democracy. ben.schiff@oberlin.edu

Michael Joseph Smith is the Thomas C. Sorensen Professor of Political and Social Thought at the University of Virginia, where he has directed the interdisciplinary program in Political and Social Thought since 1999. He is the author of Realist Thought from Weber to Kissinger (1987), the coeditor and coauthor (with Linda B. Miller) of Ideas and Ideals: Essays on Politics in Honor of Stanley Hoffmann (1993), and the author of many essays on the ethical dilemmas raised by contemporary international politics. His current research focuses on human rights and the continuing debates on humanitarian intervention. In addition, Smith has served as a member of the Board of Trustees of the Carnegie Council for Ethics in Inter-national Affairs since 1995. mjsmith@virginia.edu

Michael J. Struett is Associate Professor of Political Science in the School of Public and International Affairs at North Carolina State University. His research and teaching focus on the role of international law and international institutions in global governance. He has a particular interest in the International Criminal Court and the politics of war crimes trials, and is the author of The Politics of Constructing the International Criminal Court (2008) and the coeditor (with Mark Nance and Jon Carlson) of the forthcoming Maritime Piracy and the Construction of Global Governance. mjstruet@ncsu.edu

Scott Wisor is a Research Fellow at Australian National University. His work focuses on contemporary moral, social, and political philosophy, with particular emphasis on global justice, development ethics, and feminist philosophy. He is the author of Measuring Global Poverty: Toward a Pro-Poor Approach (2012). Scott.Wisor@anu.edu.au