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.

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.

Former State Department policy planning staff member. Current work focuses on U.S. policy in South Asia, especially Pakistan and India.

Jeane Kirkpatrick Professor of the Practice of International Affairs at Harvard University's Kennedy School. Former Deputy National Security Advisor for Iraq and Afghanistan, former advisor to the Coalition Provisional Authority in Baghdad, former member of State Department policy planning staff handling Northern Ireland peace process, Iran, Syria, and relations with the Muslim 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.

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.

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.

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.

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.

Expert on emerging sources of regional instability and violent conflict. Currently focusing on U.S. preventive strategies to meet future challenges to international peace and security. Coauthor of the Council Special Reports Partners in Preventive Action: The United States and International Institutions and Enhancing U.S. Preventive Action.

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.

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.

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

Infantry officer and former commander of the Basic School in Quantico, VA, and director of strategic effects ISAF, HQ, in Kabul, Afghanistan. Commanded the 3rd Battalion, 6th Marines in eastern Afghanistan and western Iraq and was executive officer of the 2nd Battalion, 8th Marines in OIF I, the March to Baghdad. Operational experience in Operation Just Cause, Panama; Operation Desert Storm, Kuwait; and Operation Assured Response, Liberia.

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.

Colonel in the U.S. Air Force that has commanded at the squadron and wing levels. Career F-15E weapons systems officer. Currently researching U.S. national security policy in Asia and the impact of U.S. rebalancing in the region.

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.

Journalist and researcher focusing on U.S. foreign policy, international development, women and economic development, and global entrepreneurship. Contributing editor-at-large at Newsweek/Daily Beast and author of the New York Times bestseller The Dressmaker of Khair Khana (HarperCollins, 2011), about a young woman whose business supported her family and her community during the Taliban years.