Stephen Hadley

About the Author

Stephen Hadley is a distinguished statesman and policy expert with decades of experience shaping U.S. national security strategy. Serving as National Security Advisor under President George W. Bush from 2005 to 2009, he played a pivotal role in navigating complex global challenges, including the wars in Iraq and Afghanistan and the rise of new geopolitical threats. A graduate of Cornell University and Yale Law School, Hadley has held senior positions in government, including roles at the National Security Council and the Department of Defense. His insights into international relations and leadership are captured in his notable work, The World Turned Upside Down: Maintaining American Leadership in a Dangerous Age (The Aspen Policy Book Series), where he offers a compelling blueprint for sustaining U.S. influence amid an increasingly volatile world order. Beyond public service, Hadley continues to advise on policy matters through think tanks and advisory boards, blending rigorous analysis with pragmatic foresight.