Dr. Michael O'Hanlon is a senior fellow in Foreign Policy Studies at the Brookings Institution, where he specializes in U.S. defense strategy and budgeting, homeland security, and American foreign policy. He is a visiting lecturer at Princeton University, a member of the International Institute for Strategic Studies, and the Council on Foreign Relations. Dr. O'Hanlon is the author of numerous publications, articles, and op-eds, including books on the military use of space, the crisis on the Korean peninsula, and issues of homeland security and defense strategy. Prior to joining Brookings, Dr. O'Hanlon was an analyst at the Congressional Budget Office, and worked for the Institute for Defense Analysis. He received his bachelor's, master's, and doctoral degrees from Princeton, and served as a Peace Corps volunteer in Congo/Kinshasha (the former Zaire) from 1982-1984, where he taught college and high school physics in French.