WILLIAM ROSENAU is a political scientist in the Rand Corporation's Washington Office, where he specializes in the study of insurgency, terrorism, intelligence, and military special operations. He is also the chairman of RAND’s Insurgency Board. Dr. Rosenau has served in the US State Department's counterterrorism office (S/CT); as a congressional legislative assistant; on the US Department of Defense Commission on the Roles and Missions of the Armed Forces (CORM); and in the office of the US assistant secretary of defense for special operations and low-intensity conflict (OASD/SOLIC). In October 2009 he will join the Strategic Studies Division at the Center for Naval Analyses.

He is the author of US Internal Security Assistance to South Vietnam: Insurgency, Subversion, and Public Order (Routledge, 2005). Dr. Rosenau’s RAND publications include The Evolving Terrorist Threat to Southeast Asia: A Net Assessment (2009); The Phoenix Program and Contemporary Counterinsurgency (2009); Corporations and Counterinsurgency (2009); Subversion and Insurgency (2007); Confronting the ”Enemy Within": Security Intelligence, Police, and Counterterrorism in Four Democracies (2004); Aum Shinrikyo, Al Qaeda, and the Kinshasa Reactor: Implications of Three Case Studies for Combating Nuclear Terrorism (2005); and Trends in Outside Support to Insurgent Movements (2001). He holds degrees from Columbia, Cambridge, and King’s College, London.