| LONGMAN, Nicholas Charles ACTIVE | Director | 02 Sep 2025 | | United States | March 1972 | 1010, Westcott Venture Park, Westcott, Aylesbury, Buckinghamshire, HP18 0XB |
| STEWART, Gordon Alexander ACTIVE | Director | 15 Aug 2023 | | United States | September 1962 | 3 Werner Way, Lebanon, Nj 08833, United States |
| ALTIERI, Edward James RESIGNED | Secretary | 01 Sep 1995 | 10 Oct 2017 | | | 3 Werner Way, Lebanon, New Jersey, 08833, Usa |
| COUSENS, Andrew Julian RESIGNED | Secretary | 01 May 2004 | 13 Sep 2022 | | | 1010, Westcott Venture Park, Westcott, Aylesbury, Buckinghamshire, HP18 0XB, United Kingdom |
| FOX, Lawrence RESIGNED | Secretary | 09 Dec 2022 | 31 Mar 2026 | | | 1010, Westcott Venture Park, Westcott, Aylesbury, Buckinghamshire, HP18 0XB |
| HALLOCK, William RESIGNED | Secretary | 19 Oct 2017 | 15 Aug 2023 | | | 1010, Westcott Venture Park, Westcott, Aylesbury, Buckinghamshire, HP18 0XB |
| SMITH, Frederick RESIGNED | Secretary | | 01 Sep 1995 | | | 55 Winans Avenue, Cranford, New Jersey, Usa |
| ADAMS, Robert Kenneth RESIGNED | Director | | 16 Jun 2000 | England | January 1948 | 7 Cross Meadow, Chesham, Buckinghamshire, HP5 2RU |
| ALTIERI, Edward James RESIGNED | Director | 16 Dec 1992 | 10 Oct 2017 | Usa | June 1953 | 3 Werner Way, Lebanon, New Jersey, 08833, Usa |
| BLANEY, James William RESIGNED | Director | 26 Feb 1996 | 01 Jan 2016 | Usa | September 1928 | 14475 Weston Road, King City, Ontario, L7B 1K4, Canada |
| CLARK, Frank RESIGNED | Director | 17 Oct 2017 | 20 May 2019 | United States | June 1963 | 1010, Westcott Venture Park, Westcott, Aylesbury, Buckinghamshire, HP18 0XB |
| DUCKHAM, Wendy Elizabeth RESIGNED | Director | 06 Apr 2005 | 12 Nov 2018 | England | May 1954 | 1010, Westcott Venture Park, Westcott, Aylesbury, Buckinghamshire, HP18 0XB, United Kingdom |
| FOX, Lawrence RESIGNED | Director | 15 Aug 2023 | 31 Mar 2026 | England | June 1977 | 1010, Westcott Venture Park, Westcott, Aylesbury, Buckinghamshire, HP18 0XB |
| HALLOCK, William RESIGNED | Director | 17 Oct 2017 | 15 Aug 2023 | United States | March 1964 | 1010, Westcott Venture Park, Westcott, Aylesbury, Buckinghamshire, HP18 0XB |
| HART, Kenneth RESIGNED | Director | 01 Oct 1992 | 15 Aug 2023 | United Kingdom | December 1960 | 1010, Westcott Venture Park, Westcott, Aylesbury, Buckinghamshire, HP18 0XB, United Kingdom |
| PROBST, Frank RESIGNED | Director | 10 Oct 2019 | 01 Sep 2025 | United States | November 1967 | 3, Werner Way, Lebanon, New Jersey Nj 08833, United States |
| SMITH, Frederick RESIGNED | Director | | 01 Sep 1995 | | August 1930 | 55 Winans Avenue, Cranford, New Jersey, Usa |
| STEWART, Robert Gordon RESIGNED | Director | 29 Jul 1994 | 01 Jan 2014 | Usa | August 1943 | 3 Werner Way, Lebanon, New Jersey, D88 33, Usa |
| THOMSON, Robert Hennessey RESIGNED | Director | | 16 Dec 1992 | | July 1933 | 55 Winans Avenue, Cranford, Nj 07016, FOREIGN, Usa |