Sharon Squassoni researches measures to reduce risks from nuclear weapons and nuclear energy, particularly those related to nuclear material and fuel cycle facilities. She is a research professor of the practice of international affairs in the Institute for International Science and Technology Policy at the Elliott School of International Affairs, George Washington University. Before joining IISTP, she directed the Proliferation Prevention Program at the Center for Strategic and International Studies from 2010 to 2017 and was a senior scholar at the Carnegie Endowment for International Peace from 2007 to 2010. From 2002 to 2007, Ms. Squassoni advised Congress as a senior specialist in weapons of mass destruction at the Congressional Research Service (CRS). She also served for eight years in the Department of State and in the Arms Control and Disarmament Agency. Ms. Squassoni received her B.A. in political science from the State University of New York at Albany, a master’s in public management from the University of Maryland, and a master’s in national security strategy from the National War College. She is a member of the International Institute for Strategic Studies, the Science & Security Board of the Bulletin of Atomic Scientists, the board of the Center for Arms Control and Nonproliferation, and the advisory board of the PIR Center in Moscow.