
Through From the Fellow’s Desk, the Oppenheimer Fellows offer insight into the evolving conversation around nuclear issues and international relations. More than commentary, these pieces aim to open dialogue — situating contemporary developments within historical context and exploring how culture, politics, and perception shape the future of diplomacy. This series is designed for readers who want to look past conventional narratives and engage with ideas that challenge, inform, and inspire.
Our Fellows

Lucas Ruiz
Oppenheimer Fellow, 2025
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.