Theo is an expert in philanthropy and nuclear policy. For the past decade he served at two private foundations, Carnegie Corporation of New York and the John D. and Catherine T. MacArthur Foundation. Theo steered over $80 million in grants to the nonprofit sector, aiming to reduce the nuclear risks and facilitate productive dialogue on the future of nuclear energy as a climate solution. Previously he was a consultant and speechwriter at the United Nations in Vienna, Austria. 

Sue Suh is an award-winning executive whose career has spanned global media, philanthropy, social entrepreneurship and government service. During her tenure with the U.S. State and Defense Departments, Sue supported initiatives in multilateral arms control, bilateral nuclear arms control with Russia, and public diplomacy. She currently sits on several boards, including the Classical Theatre of Harlem, and advises The Oppenheimer Project and the Oppenheimer Science & Energy Leadership Program. 

Trained as a chemist, Ash Jogalekar is an Oppenheimer Project Scientist in Residence and writes about the history of science and technology. In this capacity, he has written for Scientific American, Nature, 3 Quarks Daily and his own blog, “The Curious Wavefunction”. As a firm believer in Mark Twain’s quote that history may not repeat but does rhyme, Ash is passionate about applying lessons from the history of science and technology to pressing problems like AI, nuclear weapons and climate change.

Lucas is the inaugural Oppenheimer Fellow with the Oppenheimer Project, where he works on trilateral strategic engagement between the United States, Russia and China on foreign and nuclear policy. Previously, he was the Fall 2024 Herbert Scoville Jr. Peace Fellow with the Reimagining U.S. Grand Strategy Program at the Stimson Center. There, he worked on the Reimagining U.S. Diplomacy and Effective Defense Policy projects. His research interests are U.S. global power and nuclear weapons policy. Ruiz has been published in the Bulletin of the Atomic Scientists, Inkstick Media, The National Interest, Responsible Statecraft and through the Stimson Center, and has featured as a podcast guest. He earned his B.A. in History from the University of Connecticut.

Daniel B. Poneman is a senior fellow at the Council on Foreign Relations and distinguished fellow at the Atlantic Council’s Global Energy Center. He served as CEO of Centrus Energy Corp. (2015-2023), providing enriched uranium to power commercial nuclear plants. As US Deputy Secretary of Energy (2009-2014), Poneman chaired the Credit Review Board approval of $30 billion in projects accelerating the deployment of clean energy assets and led efforts to strengthen emergency response and cybersecurity. He served at the National Security Council under Presidents Clinton and George H.W. Bush. Outside government he practiced law in Washington, DC, and advised on business strategies as a principal of The Scowcroft Group. Poneman has authored numerous articles and books, including Double Jeopardy: Combating Global Terror and Climate Change. He holds degrees from Harvard and Oxford, and received the Order of the Rising Sun, Gold and Silver Star, from the Government of Japan.

Francesca Giovannini is the executive director of the Project on Managing the Atom at the Harvard Kennedy School’s Belfer Center for Science & International Affairs. In addition, she is a non-residential fellow at the Centre for International Security and Cooperation at Stanford University. Giovannini served as Strategy and Policy Officer to the Executive Secretary of the Comprehensive Nuclear Test Ban Treaty Organization (CTBTO), based in Vienna. Prior to her international appointment, Ms. Giovannini served for five years at the American Academy of Arts and Sciences in Boston as director of the Research Program on Global Security and International Affairs.

Dr. Franklin (Lynn) Orr, a distinguished scientist, is a founding member of the Oppenheimer Project. He served as the Under Secretary for Science and Energy at the US Department of Energy and held key positions at Stanford University. His expertise lies in energy, earth sciences, and carbon storage. Orr is a member of the National Academy of Engineering and has contributed to various organizations, including the Packard Foundation and the ClimateWorks Foundation.