Eamon Aloyo is a senior researcher in the Conflict Prevention Program at The Hague Institute for Global Justice, where he works on issues related to the responsibility to protect and just war theory, among other topics. He has published in International Theory, as well as other journals, and has an article accepted for publication in Ethical Theory and Moral Practice. He holds a Ph.D. in political science from the University of Colorado at Boulder, where he also received the Thomas Jefferson Award. e.aloyo@TheHagueInstitute.org

Alex J. Bellamy is professor of peace and conflict studies and director of the Asia Pacific Centre for the Responsibility to Protect at the University of Queensland, Australia. He is also a nonresident senior adviser at the International Peace Institute, New York, and secretary of the High Level Advisory Panel on the Responsibility to Protect in Southeast Asia. Recent books include The Responsibility to Protect: A Defense (2015), Providing Peacekeepers (edited with Paul D. Williams, 2013), and Massacres and Morality (2012). He is currently editing the Oxford Handbook on the Responsibility to Protect with Tim Dunne. a.bellamy@uq.edu.au

Rowan Cruft is senior lecturer in philosophy at the University of Stirling, focusing on the nature and justification of rights and duties. Recent work examines the structure (as individualistic or nonindividualistic, “foundationalist” or “transcendental”) of the moral grounds for different rights. He is co-editor of Philosophical Foundations of Human Rights (forthcoming, 2015). rowan.cruft@stir.ac.uk

Graham Long is senior lecturer in politics at Newcastle University, researching and teaching on questions of global justice. He has published on climate change in Environmental Ethics and on cosmopolitanism in the Journal of Social Philosophy. His current research focuses on accountability, human rights, and principles of global justice in the context of the United Nations Sustainable Development Goals, and he is working with the European Task Force of the Beyond 2015 NGO campaign on these issues. graham.long@ncl.ac.uk

Rahul Sagar is associate professor of political science at Yale-NUS College and the Lee Kuan Yew School of Public Policy at the National University of Singapore. He was previously assistant professor in the Department of Politics at Princeton University. His first book, Secrets and Leaks: The Dilemma of State Secrecy, published by Princeton University Press in 2013, received the National Academy of Public Administration's 2014 Louis Brownlow Award and was designated a 2014 CHOICE Outstanding Title. Sagar is a Global Ethics Fellow at the Carnegie Council. rahul.sagar@yale-nus.edu.sg

Jim Sleeper, a writer on national civic cultures and politics, is a lecturer in political science at Yale, teaching seminars on journalism, liberalism, and democracy. He is the author of The Closest of Strangers: Liberalism and the Politics of Race in New York (1990) and Liberal Racism (1997) and editor of or contributor to several anthologies. A former editor and columnist for the New York Daily News and Newsday, Sleeper is a member of the editorial board of the quarterly Dissent. He holds a doctorate in education from Harvard and a B.A. from Yale. His reportage and commentary on foreign policy and other subjects can be found at www.jimsleeper.com.