Sarah Sewall teaches international affairs at the Harvard Kennedy School of Government, where she also directs the Program on National Security and Human Rights. Dr. Sewall is the founder and faculty director of the Mass Atrocity Response Operations (MARO) Project. She is currently leading a study on civilian casualties with the United States Military. She led the Obama Transitions National Security Agency Review process in 2008. During the Clinton Administration, Dr. Sewall served as the first Deputy Assistant Secretary of Defense for Peacekeeping and Humanitarian Assistance. From 1983-1996, she served as Senior Foreign Policy Advisor to Senate Majority Leader George J. Mitchell on the Democratic Policy Committee and the Senate Arms Control Observer Group. Before joining Harvard, Dr. Sewall was at the American Academy of Arts and Sciences where she edited The United States and the International Criminal Court (2002). Her more recent publications include the introduction to the University of Chicago Edition of the U.S. Army and Marine Corps Counterinsurgency Manual (2007) and, with John White, Parameters of Partnership: U.S. Civil-Military Relations in the 21st Century (2009). She is a member of the U.S. Department of Defense's Defense Policy Board Advisory Committee and the Center for Naval Analyses Defense Advisory Committee and is on the board of Oxfam America. She graduated from Harvard College and received her doctorate from Oxford University, where she was a Rhodes Scholar.

In 2007, Sewall founded the MARO Project to create a military concept of operations for intervening to halt mass atrocity.

Bharathi Radhakrishnan is a Research Assistant for the MARO Project. After completing her graduate program focusing on conflict studies in South Asia, Bharathi worked in Sri Lanka with a local NGO conducting program development and research. Her work focused on relief, reconstruction, and development projects in Sri Lanka's Northern Province for internally displaced persons both in IDP camps and in resettled villages. Bharathi also served as a foreign observer for the 2010 Presidential Elections in Sri Lanka in the district of Kandy. She is also a contributing author of “Project Palestinian Enterprise,” a report published by New York University discussing the importance of economic development to the Middle East peace process, and has worked at the United Nations Alliance of Civilizations, Amnesty International USA, the World Policy Institute, and on international development projects in Ecuador and Zambia. Bharathi is a graduate of Brandeis University and holds an MA in Politics with a specialization in International Relations from New York University.

Colonel (Ret) Raymond is a Doctrine and Concepts Analyst at the Peacekeeping and Stability Operations Institute (PKSOI) in Carlisle, PA. Prior to this appointment Colonel (Ret) Raymond served on the faculty at the US Army War College. From 2006-2007 Colonel (Ret) Raymond was the MiTT Chief of an Iraqi Army Brigade in Ninewah Province; he has also spent several years serving in Korea including working as the Chief of Plans for Combined Forces Command/United Nations Command. A former infantry officer, Colonel (Ret) Raymond is a graduate of the United States Military Academy, the School of Advanced Military Studies, the US Army War College, and other institutions. He is married with two children.