NATHAN P. FREIER is an Associate Professor of National Security Studies with the Strategic Studies Institute (SSI). He came to SSI in August 2013 after 5 years with the Center for Strategic and International Studies (CSIS) where he was a senior fellow in the International Security Program. Mr. Freier joined CSIS in April 2008 after completing a 20-year career in the U.S. Army. His last military assignment was as Director of National Security Affairs at SSI. From August 2008 to July 2012, Mr. Freier also served as a visiting research professor in strategy, policy, and risk assessment at the U.S. Army War College’s Peacekeeping and Stability Operations Institute (PKSOI) under the provisions of the Intergovernmental Personnel Act. Mr. Freier is a veteran of numerous strategy development and strategic planning efforts at Headquarters, Department of the Army; the Office of the Secretary of Defense; and two senior-level military staffs in Iraq. Mr. Freier is widely published on a range of national security issues and continues to provide expert advice to the national security and defense communities. His areas of expertise are defense and military strategy and policy development and strategic net and risk assessment. He holds master’s degrees in both international relations and politics and is a graduate of the U.S. Army’s Command and General Staff College.