Jacqueline Siebens

About Jacqueline Siebens

Jackie Siebens is the Director of Public Affairs at Helion Energy and a Fellow with the Atlantic Council’s Global Energy Center. Previously she was the Director of Policy and Government Affairs for Oklo Inc, and a Senior Advisor for Nuclear Energy with Third Way’s Climate and Energy Program where she designed and advocated for policies that will drive innovation and deployment of clean energy technologies, with a focus on advanced nuclear reactors. Previously, Jackie was an associate with the Nuclear Security Program at the Stimson Center, where she worked with the private sector performing analysis to develop comprehensive nuclear security standards, and incentivize industry stakeholders to reduce the risks posed by nuclear terrorism.Jackie is a graduate of East Carolina University and earned her master’s degree from the North Carolina State University School of Public and International Affairs. Throughout her career, she has published and presented with numerous organizations including the International Nuclear Law Association, the International Atomic Energy Agency, the Institute for Nuclear Materials Management, and the World Institute for Nuclear Security. She regularly briefs the U.S. Congress on matters related to the development of advanced nuclear reactors, and the application of nuclear security and safeguards.

Experience

1. Board Member

   Fusion Industry Association

   Jul 2025 — Present

Education

• North Carolina State University

  Master's degree, International Relations and Nuclear Security

  2014 — 2017