National Nuclear Security Administration (NNSA) logo

National Nuclear Security Administration (NNSA) Employee Directory

Government AdministrationDistrict of Columbia, United States10001+ Employees

The National Nuclear Security Administration (NNSA) is a semi-autonomous agency within the U.S. Department of Energy, created by Congress in 2000. Its core mission is to safeguard the nation by designing and delivering a safe, secure, and reliable U.S. nuclear stockpile, advance global security through nonproliferation and counterproliferation efforts, and coordinate responses to nuclear and radiological emergencies at home and abroad. The agency also provides nuclear propulsion to power the U.S. Navy and pursues transformative technologies to address emerging challenges.

NNSA operates the Nuclear Security Enterprise, a network of headquarters sites and national laboratories as well as major facilities across the United States. Its footprint includes headquarters in Washington, DC; Gaithersburg, MD; and Albuquerque, NM, the Kansas City National Security Campus, and laboratories such as Lawrence Livermore, Los Alamos, and Sandia, plus sites like the Nevada National Security Site, Pantex Plant, Savannah River Site, and Y-12 National Security Complex. Based in Washington, DC, with a nationwide network, the organization employs several thousand people to support national security objectives.

Find National Nuclear Security Administration (NNSA) employees' phone numbers or email addresses

National Nuclear Security Administration (NNSA) Global Highlights

Location
Employees

North America
1.7K

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  • United States Of America
    1.7K
  • Canada
    1
  • Trinidad And Tobago
    1
  • Mexico
    1

Asia
11

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  • China
    3
  • India
    2
  • Bangladesh
    2
  • Singapore
    1
  • Iran
    1
  • Israel
    1
  • Pakistan
    1

Europe
7

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  • Poland
    2
  • Spain
    1
  • Ukraine
    1
  • France
    1
  • Germany
    1
  • United Kingdom Of Great Britain And Northern Ireland
    1

South America
4

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  • Argentina
    4

Africa
2

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  • Nigeria
    1
  • Kenya
    1

National Nuclear Security Administration (NNSA)'s Leadership

  • Chief Information Officer at National Nuclear Security Administration (NNSA)
    J. W.
    Chief Information Officer
  • Chief Human Capital Officer at National Nuclear Security Administration (NNSA)
    D. M. N.
    Chief Human Capital Officer
  • Chief Of Staff at National Nuclear Security Administration (NNSA)
    B. C.
    Chief Of Staff
  • Chief Of Staff, Management And Budget at National Nuclear Security Administration (NNSA)
    P. J.
    Chief Of Staff, Management And Budget
  • Chief Counsel, Nrlfo at National Nuclear Security Administration (NNSA)
    C. N.
    Chief Counsel, Nrlfo
  • Branch Chief at National Nuclear Security Administration (NNSA)
    O. A.
    Branch Chief
  • Director, Defense Nuclear Nonproliferation Resource And Matrix Division; Management And Budget at National Nuclear Security Administration (NNSA)
    P. G.
    Director, Defense Nuclear Nonproliferation Resource And Matrix Division; Management And Budget
  • Director And Energy Attaché - U.S. Embassy, New Delhi at National Nuclear Security Administration (NNSA)
    D. J.
    Director And Energy Attaché - U.S. Embassy, New Delhi

National Nuclear Security Administration (NNSA) Employee Metrics

100%
50%
0%
2026
2025
  • Engineering
  • Program & Project Management
  • Analytics
  • Military & Protective Services
  • Administrative
  • Other
  • Community & Social Services
  • Healthcare Services
  • Information Technology

Contact profiles from National Nuclear Security Administration (NNSA)

Name
Title
Contact
Location
Last Update
  • Executive Director at National Nuclear Security Administration (NNSA)
    A. W.
    Executive Director
    Apr 13, 2026
  • Deputy Director at National Nuclear Security Administration (NNSA)
    E. H.
    Deputy Director
    France
    Apr 28, 2026
  • Director, Security Enterprise Support Division at National Nuclear Security Administration (NNSA)
    K. C.
    Director, Security Enterprise Support Division
    Apr 14, 2026
  • Acquisitions Support Services Director at National Nuclear Security Administration (NNSA)
    F. E.
    Acquisitions Support Services Director
    Jun 28, 2026
  • Director, Infrastructure Planning & Integration at National Nuclear Security Administration (NNSA)
    K. P.
    Director, Infrastructure Planning & Integration
    Jun 26, 2026
  • Executive Director at National Nuclear Security Administration (NNSA)
    K. W.
    Executive Director
    Aug 29, 2026
  • Director, Accounting Analysis And Reporting at National Nuclear Security Administration (NNSA)
    J. C.
    Director, Accounting Analysis And Reporting
    Mar 25, 2026
  • Construction And Environmental, Safety And Health (es&h) Division Director at National Nuclear Security Administration (NNSA)
    A. N.
    Construction And Environmental, Safety And Health (es&h) Division Director
    Oct 22, 2024
  • Director Audits And Internal Affairs at National Nuclear Security Administration (NNSA)
    C.
    Director Audits And Internal Affairs
    Oct 23, 2024
  • Director at National Nuclear Security Administration (NNSA)
    D. F.
    Director
    Apr 11, 2023

Frequently Asked Questions

What is National Nuclear Security Administration (NNSA) known for?

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National Nuclear Security Administration (NNSA) was founded in 2000 and operates in the Government Administration industry. You can contact National Nuclear Security Administration (NNSA)'s main corporate office by phone at . Explore National Nuclear Security Administration (NNSA)'s company overview page for more information.

What is National Nuclear Security Administration (NNSA)'s most common email format?

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National Nuclear Security Administration (NNSA) employees' email format typically follows the pattern of First.Last@energy.gov. Trying to find reliable and up-to-date employee contact data? Find more National Nuclear Security Administration (NNSA) email formats with LeadIQ.

How many employees does National Nuclear Security Administration (NNSA) have currently?

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National Nuclear Security Administration (NNSA) has approximately 47K employees as of August 2026. These team members are located across 5 continents, including North America, Asia and Europe.

Who are National Nuclear Security Administration (NNSA)'s key employees and leadership?

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As of August 2026, National Nuclear Security Administration (NNSA)'s key employees include:

  • Chief Information Officer: J. W.
  • Chief Human Capital Officer: D. M. N.
  • Chief Of Staff: B. C.
  • Chief Of Staff, Management And Budget: P. J.
  • Chief Counsel, Nrlfo: C. N.

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