Defense Security Service Employee Directory

Government AdministrationUnited States501-1000 Employees

The Defense Security Service (DSS) strengthens national security at home and abroad through our security oversight and education operations. DSS oversees the protection of U.S. and foreign classified information and technologies in the hands of cleared industry under the National Industrial Security Program by providing professional risk management services. As Functional Manager for the Department of Defense (DoD), DSS provides security education, training, certification, and professional development for DoD and for other U.S. Government personnel, contractor employees, and representatives of foreign governments.

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For those looking to join DSS, you'll help us provide critical security education, training and awareness services and products to those who serve and protect our national security. Protecting this classified information maintains the integrity of the technologies, information, and products used by the warfighter in the field.

DSS Locations: Most of DSS activities are performed at the Defense Security Service headquarters, in Quantico, VA, right outside of the nation's capitol in Washington, DC. We have 23 resident offices and 26 field offices across the nation.

If you're looking to apply for a job with the Defense Security Service, all positions require a security clearance, and all job openings are posted to USAJobs at: https://www.usajobs.gov/Search/?a=DD12&k=defense%20security%20service&p=1

Find Defense Security Service employees' phone numbers or email addresses

Defense Security Service Global Highlights

Location
Employees

North America
338

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  • United States Of America
    337
  • Canada
    1

Asia
25

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  • India
    19
  • Pakistan
    4
  • Cambodia
    1
  • Thailand
    1

Africa
8

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  • Nigeria
    4
  • Algeria
    2
  • Kenya
    1
  • Zambia
    1

South America
7

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  • Peru
    5
  • Chile
    1
  • Brazil
    1

Europe
6

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  • Germany
    2
  • United Kingdom Of Great Britain And Northern Ireland
    2
  • France
    1
  • Italy
    1

Defense Security Service's Leadership

  • Stylized image of a person
    R. A.
    Chief Of Staff
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  • Stylized image of a person
    J. C.
    Chief Of Logistics
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  • Stylized image of a person
    M. N.
    Chief Technologist Defense Insider Threat Enterprise
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  • Stylized image of a person
    R. M.
    Chief Policy And Training
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  • Stylized image of a person
    T. H.
    Chief Manager And Security Specialist Security Division
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  • Stylized image of a person
    O. F.
    President
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  • Stylized image of a person
    R. B.
    President
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  • Stylized image of a person
    M. W.
    Cofounder And Managing Partner
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Defense Security Service Employee Metrics

100%
50%
0%
2026
2025
2024
  • Military & Protective Services
  • Analytics
  • Operations
  • Administrative
  • Program & Project Management
  • Other
  • Education

Contact profiles from Defense Security Service

Name
Title
Contact Info
Location
Last Update
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    C. V.
    Chief, Cybersecurity Strategy, Counterintelligence Directorate
    Phone icon
    United StatesVirginia
    Apr 25, 2025
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    D. S.
    Senior Executive Administrative Assistant To Division Chief Counterintelligence
    Phone icon
    United StatesTexas
    Oct 17, 2024
  • Stylized image of a person
    E. O.
    Chief, Human Resources Actions Branch
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    Oct 21, 2024
  • Stylized image of a person
    J. C.
    Chief Of Logistics
    Phone icon
    United StatesVirginia
    Oct 23, 2024
  • Stylized image of a person
    M. N.
    Chief Technologist Defense Insider Threat Enterprise
    Phone icon
    United StatesDistrict of Columbia
    Aug 03, 2025
  • Stylized image of a person
    P. S.
    Senior Vice President
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    Oct 17, 2024
  • Stylized image of a person
    R. M.
    Chief Policy And Training
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    Oct 22, 2024
  • Stylized image of a person
    T. H.
    Chief Manager And Security Specialist Security Division
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    Oct 17, 2024
  • Stylized image of a person
    T. S.
    Vice President
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    Oct 17, 2024
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    D. W.
    It Director
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    United StatesMinnesota
    Nov 19, 2025

Frequently Asked Questions

What is Defense Security Service known for?

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Defense Security Service was founded in 1971 operates in the Government Administration industry; you can contact the main corporate office by phone at . Explore Defense Security Service's company overview page for more information.

What is Defense Security Service's most common email format?

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Defense Security Service employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Defense Security Service email formats with LeadIQ.

How many employees does Defense Security Service have currently?

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Defense Security Service has approximately 720 employees as of December 2025. These team members are located across 5 continents, including North AmericaAsiaAfrica.

Who are Defense Security Service's key employees and leadership?

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As of December 2025, Defense Security Service's key employees include:

  • Chief Of Staff: R. A.
  • Chief Of Logistics: J. C.
  • Chief Technologist Defense Insider Threat Enterprise: M. N.
  • Chief Policy And Training: R. M.
  • Chief Manager And Security Specialist Security Division: T. H.

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