New York, N.Y., Feb. 20, 2026 (GLOBE NEWSWIRE) — NANO Nuclear Energy Inc. (NASDAQ: NNE) (“NANO Nuclear” or “the Company”), a leading advanced nuclear micro modular reactor (MMR) and technology company focused on developing clean energy solutions, today announced the appointment of Sarah Lennon as its International Nuclear Policy Advisor.
Sarah is a seasoned national security and nuclear energy policy leader with three decades of distinguished service across the U.S. Government, bringing deep expertise in nuclear security, nonproliferation, international cooperation, and strategic planning.
“It is a pleasure to join the NANO Nuclear team,” said Sarah Lennon, International Nuclear Policy Advisor of NANO Nuclear. “Throughout my career at the U.S. Department of Energy, I have worked to support the advancement of nuclear technologies and the expansion of nuclear energy in the United States and abroad. At NANO Nuclear, I look forward to applying that experience to help navigate international policy and regulatory frameworks and support the evolution of the Company’s projects toward their construction, testing, regulatory licensing and eventual commercial deployment, contributing to a more sustainable and reliable baseload energy future.”
Prior to joining NANO Nuclear, Sarah served as Senior Policy Advisor for Strategic Planning in the Office of Enterprise Planning and Analysis at the Department of Energy’s (DOE) National Nuclear Security Administration (NNSA), where she provided senior-level guidance on enterprise-wide priorities and long-term strategy. Previously, she held a series of senior leadership roles within DOE’s Office of Nuclear Energy, including Director for Bilateral and Multilateral Cooperation and Acting Deputy Assistant Secretary for International Nuclear Energy Policy and Cooperation, advancing U.S. engagement on global nuclear energy and nonproliferation issues.
“We are thrilled to welcome a professional of Sarah’s caliber to the team,” said Jay Yu, Founder and Chairman of NANO Nuclear. “Her deep experience in nuclear policy and regulatory affairs, developed over her years of service at the DOE and NNSA, will be an invaluable asset as we engage with international stakeholders and advance our projects, notably our lead project the KRONOS MMR™ modular microreactor energy system, in the United States and beyond. Sarah’s insights and leadership strengthen our policy strategy and support the responsible development of our proprietary technologies.”
Figure 1 – NANO Nuclear Appoints Experienced DOE and NNSA Professional Sarah Lennon as its International Nuclear Policy Advisor.
Sarah’s career also includes senior advisory roles at the Department of State and the National Counterterrorism Center where she served as Chief of the WMD–Terrorism Group, and key liaison positions strengthening coordination between DOE and NNSA. She also served as Special Assistant for Russia to the Secretary of Energy and as a LEGIS Fellow at the Brookings Institution, where Sarah drafted nuclear security legislation on Capitol Hill.
A Presidential Management Fellow by entry into federal service, Sarah holds a B.A. from Dartmouth College and an M.A. from the Monterey Institute of International Studies, with a focus on Russian studies and nuclear nonproliferation. Her contributions have been recognized with numerous honors, including the DOE/NNSA Distinguished Career Service Award, multiple Secretary of Energy awards, and national and community recognitions for exemplary service and leadership.
“As we advance our technologies and expand our engagement on the global stage, adding leaders with Sarah’s experience and perspective is essential,” said James Walker, Chief Executive Officer of NANO Nuclear. “Her appointment underscores the progress we have made as a company in just a few short years as well as the seriousness with which we are building a team capable of executing on our long-term vision.”