Meghan L. O’Sullivan is the Jeane Kirkpatrick professor of the practice of international affairs at Harvard University’s Kennedy School and the director of the Belfer Center for Science and International Affairs. Dr. O’Sullivan’s policy-oriented scholarship is at the nexus of traditional disciplines, with particular expertise on how the energy transition and geopolitics intersect. Her research and writing has shaped how policymakers and business people consider these trends. She has also served in multiple senior policymaking roles and has advised national security officials in both Republican and Democratic administrations. Dr. O’Sullivan is a member of U.S. Secretary of State Antony Blinken’s Foreign Policy Advisory Board. Between 2004 and 2007, she was special assistant to President George W. Bush and was deputy national security advisor for Iraq and Afghanistan during the last two years of her tenure. O’Sullivan has been on public company and nonprofit boards. She is a senior director at the strategic consulting firm Macro Advisory Partners and is the chair of the North American Group of the Trilateral Commission.