CFR Welcomes Rebecca Lissner as Senior Fellow for U.S. Foreign Policy

CFR Welcomes Rebecca Lissner as Senior Fellow for U.S. Foreign Policy

April 14, 2025 9:35 am (EST)

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The Council on Foreign Relations (CFR) is pleased to welcome back Rebecca Lissner to the David Rockefeller Studies Program, CFR’s think tank. As a senior fellow for U.S. foreign policy, Lissner will conduct research on U.S. national security strategy and the future of U.S. foreign policy and contribute to the Studies Program’s work in those subject areas. 

Lissner is a leading scholar of American grand strategy who has served in senior national security and foreign policy roles in the White House. Prior to her time at the White House, she was a Stanton nuclear security fellow from 2016 to 2017 and a research associate from 2009 to 2011 at CFR. 

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“I am delighted to welcome Rebecca back to our Studies Program,” said CFR President Michael Froman. “Rebecca’s extensive national security experience and deep understanding of grand strategy will bolster the Council’s efforts to provide policymakers with rigorous, independent analysis on the key foreign policy issues facing the United States.” 

Lissner most recently served as deputy assistant to the president and principal deputy national security advisor to the vice president in the Biden-Harris administration, counseling Vice President Kamala Harris and senior White House leadership on a range of national security and foreign policy matters. As a frequent participant in meetings with cabinet members and their deputies, she helped shape the administration’s crisis response and strategic decision-making on a wide range of issues including U.S.-China competition, the Russia-Ukraine war, artificial intelligence, and defense policy. Lissner participated in and helped prepare the vice president for meetings and international summits with world leaders and heads of state, and she frequently led diplomatic engagements with her foreign counterparts. As one of Harris’s chief foreign policy advisors, Lissner also helped shape the vice president and Democratic nominee for president’s messaging on national security and foreign policy. 

Previously, Lissner served as acting senior director and director for strategic planning on the National Security Council. In this capacity, she shaped the Biden-Harris administration’s foreign policy vision as a lead author of the Biden-Harris administration’s National Security Strategy and directed the Russia-Ukraine Tiger Team contingency planning process during Russia’s invasion of Ukraine. She served as a foreign policy advisor to the Biden and Harris campaigns during the 2020 election and advised Hillary Clinton’s campaign and presidential transition team during the 2016 election. During the Barack Obama administration, she served as special advisor to the deputy secretary at the U.S. Department of Energy. 

Before her service at the White House, Lissner was a professor at the U.S. Naval War College, where her research focused on American grand strategy. She has held research positions at Georgetown University’s Security Studies Program, the University of Pennsylvania’s Perry World House, CFR, Yale University’s International Security Studies program, and Columbia University’s Saltzman Institute of War and Peace Studies. 

She is the author of Wars of Revelation: The Transformative Effects of Military Intervention on Grand Strategy (Oxford University Press, 2021) and An Open World: How America Can Win the Contest for 21st Century Order (coauthored with Mira Rapp-Hooper, Yale University Press, 2020) and has written on national security in the Atlantic, Foreign Affairs, Foreign Policy, the Washington Post, and other leading outlets. She has also provided analysis on BBC, CNN, MSNBC, and other major media platforms. 

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Lissner holds a BA in social studies from Harvard University and an MA and PhD in government from Georgetown University.

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