| Alexander Michael Murray Ross | Director | 28 Apr 1998 | 22 Mar 2010 | British | 88 years |
| Anthony Braine | Director | 1 Nov 2012 | 31 Jul 2014 | British | 69 years |
| Barry Charles Davis | Director | 20 Mar 2002 | 1 Nov 2012 | English | 73 years |
| Barry Charles Davis | Secretary | 15 Oct 1996 | 1 Nov 2012 | English | - |
| Charles Butters | Director | 1 Nov 2012 | 4 Jul 2017 | British | 56 years |
| Christopher Michael John Forshaw | Director | 1 Nov 2012 | 5 Apr 2017 | British | 77 years |
| David James Paley Price | Director | 22 Mar 2010 | 1 Nov 2012 | British | 79 years |
| Frank Martyn | Director | 28 May 1991 | 31 Aug 1998 | British | 92 years |
| Frank Martyn | Secretary | 28 May 1991 | 15 Oct 1996 | British | - |
| Jean-marc Vandevivere | Director | 1 Nov 2012 | 31 Jan 2016 | French | 49 years |
| Jonathan David Taylor | Director | 1 Feb 2024 | 11 Nov 2024 | British | 43 years |
| Josephine Hayman | Director | 18 Mar 2022 | 11 Nov 2024 | British | 37 years |
| Leigh Sebba | Director | 28 May 1991 | 1 Nov 2012 | British | 79 years |
| Max Sebba | Director | 28 May 1991 | 9 Dec 1998 | British | 108 years |
| Ndiana Ekpo | Secretary | 1 Nov 2012 | 6 Dec 2016 | - | - |
| Nick Taunt | Director | 30 Jun 2023 | 22 Dec 2023 | British | 40 years |
| Nigel Mark Webb | Director | 1 Nov 2012 | 30 Jun 2023 | British | 63 years |
| Richard Harrington Ashby | Director | 15 Oct 1996 | 1 Nov 2012 | British | 77 years |
| Sarah Morrell Barzycki | Director | 1 Nov 2012 | 18 Mar 2022 | British | 68 years |
| Simon Geoffrey Carter | Director | 1 Nov 2012 | 30 Jan 2015 | British | 51 years |
| Timothy Andrew Roberts | Director | 1 Nov 2012 | 31 Mar 2019 | British | 62 years |
| Victoria Margaret Penrice | Director | 1 Aug 2014 | 29 Apr 2015 | British | 62 years |