Aaron Friedberg was formerly Visiting Senior Fellow at GMF.

Friedberg has been a fellow at the Smithsonian Institution's Woodrow Wilson International Center for Scholars, the Norwegian Nobel Institute, the Australian Strategic Policy Institute, and Harvard University's Center for International Affairs. He has served as a consultant to several agencies in the U.S. government. From 2001-02, he was the first holder of the Henry A. Kissinger Chair in Foreign Policy and International Relations at the Library of Congress. From 2003-05, he served as a deputy assistant for national security affairs in the Office of the Vice President. After leaving the U.S. government, Friedberg served as a member of the Defense Policy Board and the Secretary of State's Advisory Committee on Democracy Promotion.

He is the author of three books, The Weary Titan: Britain and the Experience of Relative Decline, 1895–1905 (for which he received the Edgar Furniss National Security Book Award), In the Shadow of the Garrison State: America's Anti-Statism and Its Cold War Grand Strategy, and most recently, A Contest for Supremacy: China, America, and the Struggle for Mastery in Asia.