| Alison Jane Cribbs | Director | 16 Jun 2006 | 10 Jul 2013 | Uk | 58 years |
| Anthony Livingstone | Director | 2 Feb 2023 | 2 May 2025 | British | 55 years |
| Brian Charles Smith | Director | 8 Jan 2022 | 27 May 2024 | British | 65 years |
| Brian Smith | Secretary | 7 Mar 2022 | 2 Feb 2023 | - | - |
| Caroline Ann Legg | Director | 19 Sept 2014 | 28 Aug 2020 | British | 48 years |
| Charlotte Elizabeth Hoyes | Director | 1 Jul 2001 | 31 Aug 2007 | British | 60 years |
| Charlotte Elizabeth Hoyes | Secretary | 19 Feb 1996 | 1 Jul 2001 | British | - |
| Christopher Brian Close | Director | 17 Oct 2006 | 16 Jul 2012 | British | 72 years |
| David Richard Leather | Secretary | 25 Oct 2006 | 1 Jan 2022 | British | - |
| Edward Charles Hayes | Secretary | 23 Feb 1992 | 19 Feb 1996 | British | - |
| Edward Charles Hayes | Director | 13 Jun 1995 | 31 Dec 2021 | British | 63 years |
| Fiona Margaret Franklin | Director | 7 Aug 2013 | 1 Sept 2014 | British | 66 years |
| Jane Elizabeth Hayes Kola | Director | 25 Oct 2006 | 14 May 2007 | British | 57 years |
| Jane Elizabeth Hayes Kola | Secretary | 1 Jul 2001 | 25 Oct 2006 | British | - |
| Jonathan Salis Daiches Seres | Director | 9 Apr 1996 | 26 Apr 2010 | British | 81 years |
| Katherine Helen Dandy | Director | 23 May 2015 | 31 Dec 2017 | British | 66 years |
| Michael Edward Hyman Jacobs | Director | 23 Feb 1992 | 9 Apr 1996 | British | 78 years |
| Michaela Berry | Director | 24 Jan 2019 | 31 Dec 2021 | British | 60 years |
| Nicholas James Couldrey | Director | 9 Apr 1996 | 1 Dec 2014 | British | 75 years |
| Peter James Docking | Director | 23 Feb 1992 | 31 Dec 2021 | British | 65 years |
| Sarah Jane Tier | Director | 23 Feb 1992 | 28 Aug 2020 | British | 66 years |
