Lyndsey Merrill Feinberg is a nonresident senior fellow for regional integration at the Atlantic Council’s Middle East programs and a nonresident senior fellow with the Global Energy Center. She also serves as the Managing Director and Head of Global Business Development at Engine No.1, an investment firm that builds and invests in companies that are powering innovation and reindustrializing the United States.
Prior to joining Engine No. 1, Merrill Feinberg served nearly fifteen years in the US government, most recently as Special Assistant to the President and Senior Director for Energy and Investment at the White House, where she also led strategic Middle East initiatives. Her portfolio included the president’s signature Group of Seven initiative, the Partnership for Global Infrastructure and Investment, collaboration on power, technology, supply chains, AI infrastructure, and the clean energy transition. Her portfolio also included the maritime deal between Israel and Lebanon in October 2022 and the ceasefire in November 2024, as well as normalization between Israel and Saudi Arabia. She led the negotiations to establish the India-Middle East Europe Economic Corridor, the formation of the US-Saudi Clean Energy Framework, and the negotiations for the US-UAE Partnership for Accelerating Clean Energy. She also served at the White House as the Director for Transnational Affairs and Regional Security for the Middle East and North Africa Directorate at the National Security Council. Prior to the White House, Lyndsey served four years as the Treasury Department’s Financial Attache in the Arabian Gulf, where she facilitated negotiations that led to the Abraham Accords, represented the U.S. during the Saudi G20 Presidency and dual-hatted as the Director of the Riyadh-based Terrorist Financing Targeting Center (TFTC), co-chaired by the United States and Saudi Arabia, and comprised of all six Gulf Cooperation Council (GCC) countries to counter terrorist financing networks in the Gulf. Lyndsey has also served at the Pentagon in various policy offices within the Office of the Secretary of Defense.
Merrill Feinberg holds a BA in government and international politics from George Mason University and an MA in international relations from Webster University. She lives with her husband and stepson in Alexandria, Virginia.