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.

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

Pulitzer Prize-winner, former correspondent for the New York Times, and senior official in State and Defense Departments; expert on U.S. foreign policy and national security. Author of the new book Power Rules: How Common Sense Can Rescue American Foreign Policy (HarperCollins, March 2009).

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.

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.

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.