Safeguards & Security


To continuously improve Safeguards & Security (S&S) performance across DOE by focusing on the protection of Special Nuclear Material (SNM), sensitive information, classified matter, assets, and personnel. The SSWG adds value by bringing together the best and brightest DOE and industry S&S professionals to analyze issues and develop cost-effective solutions that bring clarity and continuous improvement to the DOE missions.

Upcoming Events

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Mike Schwartz, Chair

Chair Pacific Northwest National Laboratory Work PO Box 999, MS-K6-15 Richland, WA WA 99352 United States Work Phone: (509) 375-2618

Wade F. Nelson

Vice Chair Los Alamos National Laboratory Work PO Box 1663 Los Alamos NM 87545 USA Work Phone: 505-606-0395

Michelle J. Stellflug

Secretary Pacific Northwest National Laboratory Work P.O. Box 999 Richland WA 99352 USA Work Phone: 509-371-7533

EFCOG Sponsoring Directors

John Clymo

Photo of John Clymo
Director Sandia National LaboratoriesAssoc Lab Director for Infrastructure Operations Work P.O. Box 5800, MS 0143 Albuquerque NM 87185

As the NTESS Infrastructure Operations Associate Lab Director, John Clymo will provide leadership to effectively and efficiently manage infrastructure operations, including safeguards and security, environmental restoration and waste management, laboratory facilities and construction, and emergency management.

Clymo has over 30 years of experience in facility and infrastructure operations, maintenance and construction for Department of Energy contractors, university-run laboratories, Department of Defense military installations, and a college campus. He was the Director of Infrastructure Programs at the Idaho National Engineering and Environmental Laboratory, where he led the physical assets maintenance & operations activities. He spent 2 years as Senior Manager of Business & Operations for Lawrence Livermore National Laboratory and 5 years as Deputy Manager for Operations at the Nevada National Security Site. While engaged in Department of Energy work, Clymo served 8 years in leadership positions with the Energy Facilities Contractor Group facilities subgroup. Previously, Clymo spent 18 years with Johnson Controls/Pan Am World Services as General Manager and in other management roles. He also served on the Board of Directors for three different international facility management companies operating in the Asia/Pacific region.

DOE Liaison

Marc Brooks

Supervisory Security Specialist US Department of Energy Work 1000 Independence Ave SW. 760-11G Washington DC 20585 Work Phone: (301)903-4291

Subgroups and Leadership

Information Security Subgroup

Material Control & Accountability Subgroup

Physical Protection Subgroup

Program Planning & Management Subgroup


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Spring 2018 MC&A Meeting    

Material Control and Accountability Subgroup    

Physical Protection Subgroup