Sandra Brereton

Sandra Brereton serves as associate deputy director, operations (ADDO) for the Laboratory, acting as a senior adviser to the Deputy Director and Laboratory staff and working on activities and initiatives impacting the efficient and effective operation of the Laboratory.

She manages operations aspects of the Director’s Office (DO), collaborating with stakeholders across all parts of the Laboratory and the DOE/NNSA enterprise and representing the DO in the areas of operational requirements, safety, security, human resources and budget.

Brereton’s operational and scientific/technical expertise and broad experience provide valuable guidance and strategic direction for the DO and the institution. She has been heavily involved in managing the Laboratory through the pandemic.

During her over 30-year Laboratory career, Brereton has served in key operational leadership positions, including Hazards Control/ES&H, Engineering (supporting Superblock and NIF & PS), readiness manager for start-up of the National Ignition Facility and as the deputy principal associate director for operations in the NIF & PS Directorate.

She has a Bachelor’s of Applied Science degree in Chemical Engineering from the University of Toronto and an S.M. and Ph.D. in Nuclear Engineering from MIT.