(505) 662-4490 info@sigmasci.com
Program Manager


Gary Kellund is a Senior Nuclear Engineer and Program Manager for Sigma Science Inc.  He is a well-rounded nuclear engineer with over 30 years of experience in the areas of safety basis, facility management and operations, engineering, plant licensing and project management at Nuclear Regulatory Commission (NRC) and Department of Energy (DOE) regulated facilities.  He has written numerous documented safety analyses (DSAs), technical safety requirements (TSRs), justifications for continued operations (JCOs), and Unreviewed Safety Question Determinations (USQDs) at both Los Alamos National Laboratory and Rocky Flats.

Kellund has a Bachelor of Science in Nuclear Engineering  from the University of California-Berkeley, and graduated from the U.S. Naval Reactors Nuclear Power School.