Sharon is a senior resident fellow in Carnegie Corporation of New York’s International Peace and Security program, currently on leave from her position as associate professor at American University’s School of International Service. Sharon has served as program examiner with the White House’s Office of Management and Budget and held research positions at the Los Alamos National Laboratory and Princeton University’s Program on Science and Global Security. She recently finished a book on U.S. civil-military relations and the organization of the Joint Chiefs of Staff. Her current work includes using virtual reality to better understand decision-making during a nuclear crisis—a project that has attracted the attention of both policymakers and the media. She holds a PhD in political science from MIT’s Security Studies Program.