| JEVON, Paul ACTIVE | Secretary | 23 Jun 2023 | | | | Wheatley House, Dunhams Lane, Letchworth Garden City, Hertfordshire, SG6 1BE |
| BAKER, Harvey William ACTIVE | Director | | | United Kingdom | May 1950 | Wheatley House, Dunhams Lane, Letchworth Garden City, Hertfordshire, SG6 1BE, England |
| FOREMAN, Martin John ACTIVE | Director | 01 Jan 2001 | | United Kingdom | September 1946 | Wheatley House, Dunhams Lane, Letchworth Garden City, Hertfordshire, SG6 1BE, England |
| JEVON, Paul ACTIVE | Director | 23 Jun 2023 | | United Kingdom | December 1967 | Wheatley House, Dunhams Lane, Letchworth Garden City, Hertfordshire, SG6 1BE |
| WOODS, Geoffrey Simon ACTIVE | Director | 24 May 2012 | | United Kingdom | January 1966 | Wheatley House, Dunhams Lane, Letchworth Garden City, Hertfordshire, SG6 1BE, England |
| WOODS, Jonathan Peter ACTIVE | Director | 24 May 2012 | | England | May 1971 | Wheatley House, Dunhams Lane, Letchworth Garden City, Hertfordshire, SG6 1BE, England |
| ELDRIDGE, Brenda Kathleen RESIGNED | Secretary | 23 Oct 2000 | 28 Aug 2014 | | | Wheatley House, Dunhams Lane, Letchworth Garden City, Hertfordshire, SG6 1BE, England |
| JAMES, Richard Andrew RESIGNED | Secretary | 18 Nov 1998 | 14 Apr 2000 | | | 4 Pullman Drive, Hitchin, Hertfordshire, SG4 0ED |
| SIMMONS, Leslie Hubert RESIGNED | Secretary | | 21 Jan 1997 | | | 54 Barley Rise, Baldock, Hertfordshire, SG7 6RT |
| STEWART, Colin Leonard RESIGNED | Secretary | 28 Aug 2014 | 23 Jun 2023 | | | Wheatley House, Dunhams Lane, Letchworth Garden City, Hertfordshire, SG6 1BE |
| WOODS, Geoffrey Peter RESIGNED | Secretary | 21 Jan 1997 | 14 Jan 2000 | | | Aspenden Hall, Aspenden, Buntingford, Hertfordshire, SG9 9PJ |
| WYLES, David Vivian RESIGNED | Secretary | 14 Apr 2000 | 23 Oct 2000 | | | 21 Brackendale Grove, Harpenden, Hertfordshire, AL5 3EL |
| DUTTON, Andrew Leon RESIGNED | Director | 01 Sep 2022 | 31 Dec 2025 | England | October 1963 | Wheatley House, Dunhams Lane, Letchworth Garden City, Hertfordshire, SG6 1BE |
| ELDRIDGE, Brenda Kathleen RESIGNED | Director | 23 Oct 2000 | 28 Aug 2014 | United Kingdom | August 1948 | Wheatley House, Dunhams Lane, Letchworth Garden City, Hertfordshire, SG6 1BE, England |
| STEWART, Colin Leonard RESIGNED | Director | 03 Apr 2017 | 23 Jun 2023 | England | January 1964 | Wheatley House, Dunhams Lane, Letchworth Garden City, Hertfordshire, SG6 1BE |
| WOODS, Geoffrey Peter RESIGNED | Director | | 05 Jul 2018 | England | July 1938 | Wheatley House, Dunhams Lane, Letchworth Garden City, Hertfordshire, SG6 1BE, England |