Sarah Sewall teaches at the Harvard Kennedy School of Government and is the founder and faculty director of the Mass Atrocity Response Operations (MARO) Project. In 2010, Dr. Sewall led a seminal study for the US military on efforts to reduce civilian casualties. She directed the Obama Transition's National Security Agency Review process and was the first deputy assistant secretary of defense for peacekeeping and humanitarian assistance during the Clinton administration. From 1983–96, Dr. Sewall was senior foreign policy advisor to Senate Majority Leader George J. Mitchell. Her publications include Parameters of Partnership: U.S. Civil-Military Relations in the 21st Century (Createspace, 2009) and the introduction to the U.S. Army and Marine Corps Counterinsurgency Manual (University of Chicago Press, 2007). She is a member of the Pentagon's Defense Policy Board, CNA's Defense Advisory Committee, and the board of Oxfam America. Sewall graduated from Harvard College and received her doctorate from Oxford University.