Author of American Force: Dangers, Delusions, and Dilemmas in National Security and professor at Columbia University. Commissioner to the National Commission on Terrorism and former staff member of the Senate Intelligence Committee. Current work examines the U.S. national security agenda.

Award-winning author of Military Power: Explaining Victory and Defeat in Modern Battle. Former associate professor and Elihu Root chair of military studies at the U.S. Army War College Strategic Studies Institute. Current work examines U.S. defense policy and strategy.

Award-winning author, historian, and military strategist. Author of The Savage Wars of Peace: Small Wars and the Rise of American Power and War Made New: Technology, Warfare, and the Course of History, 1500 to Today. Finishing Invisible Armies: An Epic History of Guerrilla Warfare from Ancient Times to the Present, which will be released by W.W. Norton & Co. in January 2013.

Assistant professor of international relations at University of Southern California and adjunct member of research staff at Institute for Defense Analyses. Currently working on game-theoretic analyses of nuclear proliferation and the non-proliferation regime.

Expert on counterterrorism and national security issues. Principal at Chertoff Group. Former deputy commissioner for counterterrorism with the New York City Police Department.

Lieutenant General, USAF (Ret.). Former commander of Air Force Global Strike Command. Previously defense attaché to Moscow and director for nuclear policy and arms control on the National Security Council staff. Current work examines the nuclear arms control policies of the United States and the other nuclear weapons states.

Associate professor and deputy director of Biodefense Graduate Program at George Mason University. Author of Living Weapons: Biological Warfare and International Security. Currently writing a book on nuclear proliferation.

Author of No One's World: The West, the Rising Rest, and the Coming Global Turn (2012). Professor of international affairs at Georgetown University. Former director for European affairs at the National Security Council.

Director of the CFR program on energy security and climate change and the CFR project on energy and national security. Currently writing books on the future of American energy and on China's natural resource quest. Author of studies and books on climate diplomacy, energy innovation, nuclear terrorism and proliferation, arms control, and science and technology in the Islamic world.

Award-winning journalist and national security writer. Former deputy editorial page editor for the New York Times and chief diplomatic correspondent for the Wall Street Journal. Directing a roundtable series focused on national security in an age of austerity.

Former National Security Council official in the Clinton administration; expert on national security and terrorism. Author of How Wars End (Simon & Schuster, October 2010).

Currently leading projects on cybersecurity and cyberconflict. Recent book Advantage looks at the technological competitive advantages of Asia and the United States. Previously the project director for a CFR-sponsored Independent Task Force on Chinese military modernization.

Senior Coast Guard officer and helicopter pilot; most recently served as Chief of Staff, Eighth Coast Guard District with area of responsibility encompassing Gulf of Mexico and Mississippi River system. Extensive operational background in management of search and rescue, maritime law enforcement and security, maritime safety and environmental response missions.

Political scientist with expertise in national security issues. Currently researching drone strikes and their impact on U.S. foreign policy. His book Between Threats and War: U.S. Discrete Military Operations in the Post-Cold War World was released in September 2010.

Political scientist with expertise in national security issues. Currently researching drone strikes and their impact on U.S. foreign policy. His book Between Threats and War: U.S. Discrete Military Operations in the Post-Cold War World was released in September 2010.

Director of the CFR program on energy security and climate change and the CFR project on energy and national security. Currently writing books on the future of American energy and on China's natural resource quest. Author of studies and books on climate diplomacy, energy innovation, nuclear terrorism and proliferation, arms control, and science and technology in the Islamic world.

Director of the recent Council-sponsored Independent Task Force on U.S. policy toward Latin America. Currently authoring a book on Mexico and U.S.-Mexico relations (forthcoming, Oxford University Press).

Senior Coast Guard officer and helicopter pilot; most recently served as Chief of Staff, Eighth Coast Guard District with area of responsibility encompassing Gulf of Mexico and Mississippi River system. Extensive operational background in management of search and rescue, maritime law enforcement and security, maritime safety and environmental response missions.

Director of the CFR program on energy security and climate change and the CFR project on energy and national security. Currently writing books on the future of American energy and on China's natural resource quest. Author of studies and books on climate diplomacy, energy innovation, nuclear terrorism and proliferation, arms control, and science and technology in the Islamic world.

Senior Coast Guard officer and helicopter pilot; most recently served as Chief of Staff, Eighth Coast Guard District with area of responsibility encompassing Gulf of Mexico and Mississippi River system. Extensive operational background in management of search and rescue, maritime law enforcement and security, maritime safety and environmental response missions.