Alex J. Bellamy is Professor of International Security at the Griffith Asia Institute/Centre for Politics and Public Policy at Griffith University, Australia. From 2007 to March 2010 he was Director of the Asia-Pacific Centre for the Responsibility to Protect. He is a co-editor of Global Responsibility to Protect and author of, most recently, Responsibility to Protect: The Global Effort to End Mass Atrocities (2009) and Understanding Peacekeeping, 2nd edition (with Paul D. Williams and Stuart Griffin, 2010).

Shareen Hertel is Associate Professor of Political Science at the University of Connecticut and holds a joint appointment with the university's Human Rights Institute. She has served as a consultant to foundations, nongovernmental organizations, and United Nations agencies in the United States, Latin America, and South Asia. She is the author of Unexpected Power: Conflict and Change among Transnational Activists (2006) and coeditor (with Lance Minkler) of Economic Rights: Conceptual, Measurement, and Policy Issues (2007).

Yvonne Terlingen was head of Amnesty International's United Nations Office in New York from 2001 to May 2010. After long-term research and advocacy work at Amnesty International's International Secretariat, focusing on Asia and international organizations, she worked for the United Nations, serving as Head of the Belgrade Office of the High Commissioner for Human Rights in the former Yugoslavia. Previously, she had established the UN's first Victims and Witnesses Unit at the International Criminal Tribunal for the former Yugoslavia in The Hague.

Leslie Vinjamuri is co-director of the Centre for the International Politics of Conflict, Rights and Justice at the School of Oriental and African Studies, and is a Lecturer in the Department of Politics and International Studies at the School of Oriental and African Studies, University of London. She also founded and co-chairs the London Transitional Justice Network. Her research includes projects on the role of justice and accountability in war and peace negotiations, secular NGOs and religious organizations in transitional justice, and faith-based humanitarian organizations. Her articles have appeared in, among other publications, International Security, Survival, and the Annual Review of Political Science.

Sridhar Venkatapuram is an ESRC-DFID Research Fellow at University College London and an affiliated lecturer in sociology at Cambridge University. His research and teaching interests include social and global justice theories, ethics of health inequalities, human rights, and health sociology. Prior to receiving his Ph.D. in social and political philosophy from Cambridge University, he worked as a health advocate and researcher at Human Rights Watch, Open Society Institute, and the Population Council. He is currently writing a book on health justice and the capabilities approach.