Teresa M. Robbins serves as NNSA's Assistant Principal Deputy Administrator for Operations and as the primary point of contact between headquarters, the field offices, and our Management & Operating partners.
From January to September 2025, she was the Acting NNSA Administrator.
Robbins previously served as the Manager for the Y-12 Field Office and was responsible for the direction of NNSA programs, projects, safety, security, quality, and administrative functions at the Y-12 National Security Complex.
Robbins has over two decades of experience in nuclear facility operations, engineering, safety analysis, maintenance, and risk analysis within the Department of Energy Complex. She has served in various positions, including Deputy Manager; Senior Scientific and Technical Advisor; Assistant Manager for Environment; Safety, Health and Quality; and Federal Project Director.
Robbins earned a Bachelor of Science degree in nuclear engineering from the University of Tennessee. She is a recipient of the National Nuclear Security Administration Safety Professional of the Year Award.