| CANARIM, Henrique Bertolo RESIGNED | Secretary | 08 Sep 2023 | 05 Oct 2026 | | | 1750, Presidents Street, Reston, Va 20190, United States |
| FREEMAN, Georgia RESIGNED | Secretary | 01 Feb 2016 | 18 Sep 2018 | | | 4-6 Enterprise Way, Wickford Business Park, Wickford, Essex, SS11 8DH |
| GALLACHER, Dianne RESIGNED | Secretary | 24 Dec 2004 | 07 Sep 2009 | | | 10 Roding Leigh, South Woodham Ferrers, Chelmsford, Essex, CM3 5JZ |
| GILBERT, Kenneth Robert RESIGNED | Secretary | | 24 Dec 2004 | | | 77 Celeborn Street, South Woodham Ferrers, Chelmsford, Essex, CM3 7AF |
| RUSSELL, Carol Ann RESIGNED | Secretary | 01 Feb 2016 | 18 Sep 2018 | | | 4-6 Enterprise Way, Wickford Business Park, Wickford, Essex, SS11 8DH |
| WINTER, Benjamin Andrew RESIGNED | Secretary | 01 Jun 2020 | 08 Sep 2023 | | | 1750, Presidents Street, Reston, Va 20190, United States |
| ANTAL, Daniel John RESIGNED | Director | 01 Apr 2024 | 05 Oct 2026 | United States | March 1971 | 1750, Presidents Street, Reston, Va 20190, United States |
| CAGE, Christopher Ryan RESIGNED | Director | 24 Sep 2021 | 13 Jun 2023 | United States | October 1971 | 1750, Presidents Street, Reston, Va 20190, United States |
| CHIN, Pak-Khong Khong RESIGNED | Director | 18 Sep 2018 | 02 Aug 2019 | United States | June 1972 | 10, Commerce Way, Woburn, Ma, 01801, United States |
| COLLINS, Craig Timothy RESIGNED | Director | 18 Sep 2018 | 04 May 2020 | United States | March 1972 | 4-6 Enterprise Way, Wickford Business Park, Wickford, Essex, SS11 8DH |
| COMERY, James Antony RESIGNED | Director | 02 Aug 2019 | 13 Jan 2021 | United Kingdom | July 1969 | 4-6 Enterprise Way, Wickford Business Park, Wickford, Essex, SS11 8DH |
| COOK, Ronald RESIGNED | Director | 18 Sep 2018 | 20 Sep 2019 | England | February 1953 | 23, King Street, St James's, London, SW1Y 6QY, United Kingdom |
| CRAWFORD, Alan Edward RESIGNED | Director | 02 Aug 2019 | 04 May 2020 | United Kingdom | March 1982 | L-3 Communications, Manor Royal, Crawley, W Sussex, RH10 9PY, United Kingdom |
| DALLSINGH, Ashton RESIGNED | Director | 02 Aug 2019 | 04 May 2020 | United Kingdom | June 1967 | L3 Commercial Training Solutions Limited, Manor Royal, Crawley, W Sussex, RH10 9PY, United Kingdom |
| DAVENPORT, John Rowland RESIGNED | Director | 02 Aug 2019 | 08 Jan 2021 | United Kingdom | October 1973 | 4-6 Enterprise Way, Wickford Business Park, Wickford, Essex, SS11 8DH |
| FREEMAN, Paul Arthur RESIGNED | Director | 10 Feb 2005 | 18 Sep 2018 | England | October 1963 | 4-6 Enterprise Way, Wickford Business Park, Wickford, Essex, SS11 8DH |
| GILBERT, Kenneth Robert RESIGNED | Director | | 07 Sep 2009 | England | July 1951 | 77 Celeborn Street, South Woodham Ferrers, Chelmsford, Essex, CM3 7AF |
| HOWE, JR., Jerald S RESIGNED | Director | 04 May 2020 | 01 Apr 2024 | United States | January 1956 | 1750, Presidents Street, Reston, Va 20190, United States |
| KIMBALL, Carly Elizabeth RESIGNED | Director | 20 Jun 2023 | 07 Feb 2024 | United States | June 1975 | 1750, Presidents Street, Reston, Va 20190, United States |
| MACDONALD, Michael William James RESIGNED | Director | 18 Sep 2018 | 02 Aug 2019 | England | December 1954 | 4-6 Enterprise Way, Wickford Business Park, Wickford, Essex, SS11 8DH |
| REAGAN, James Corbett RESIGNED | Director | 04 May 2020 | 24 Sep 2021 | United States | June 1958 | 1750, Presidents Street, Reston, Va 20190, United States |
| RUSSELL, Edward John RESIGNED | Director | 10 Feb 2005 | 18 Sep 2018 | England | May 1962 | 4-6 Enterprise Way, Wickford Business Park, Wickford, Essex, SS11 8DH |
| SCHMANSKE, Mary Victoria RESIGNED | Director | 07 Feb 2024 | 31 Mar 2026 | United States | December 1962 | 1750, Presidents Street, Reston, Va 20190, United States |
| STEVENS, Roy Eugene RESIGNED | Director | 31 Mar 2026 | 05 Oct 2026 | United States | February 1968 | 1750 Presidents Street, Reston, Virginia, 20190, United States |
| WEINGAST, Matthew Steven RESIGNED | Director | 18 Sep 2018 | 04 May 2020 | United States | September 1965 | 4-6 Enterprise Way, Wickford Business Park, Wickford, Essex, SS11 8DH |
| WRENN, Christopher Leonard RESIGNED | Director | | 24 Dec 2004 | | January 1944 | 12 Burges Road, Thorpe Bay, Essex, SS1 3AY |