| Alun Hughes Griffiths | Director | 31 Mar 2003 | 30 Jul 2014 | British | 72 years |
| Amanda Jane Emilia Massie | Secretary | 7 Feb 2000 | 15 Sept 2004 | British | - |
| Andrew Michael English | Director | 9 Mar 2023 | 10 Aug 2023 | British | 61 years |
| Anthony Fletcher | Director | 25 Jun 2004 | 6 Mar 2006 | British | 68 years |
| Ashley Louise Gerrard | Secretary | 4 Nov 2016 | 28 Sept 2017 | - | - |
| Barry Cecil Hutt | Director | 12 Apr 1999 | 22 Feb 2000 | British | 78 years |
| Catherine Elizabeth Lindsay | Secretary | 4 Nov 2016 | 28 Sept 2017 | - | - |
| Christophe Marie Yves Junillon | Director | 30 Sept 2022 | 26 Jul 2023 | British,french | 56 years |
| Christopher Ball | Director | 25 Apr 2018 | 30 Sept 2022 | British | 53 years |
| Christopher Laine Birdsong | Director | 1 Nov 2007 | 30 Sept 2012 | American | 74 years |
| Christopher Robin Palmer | Director | 20 Sept 1992 | 8 Dec 1997 | British | 85 years |
| Colin Peter Haylock | Director | 20 Sept 1992 | 11 Nov 1994 | British | 80 years |
| David James Tonkin | Director | 12 Jul 2006 | 30 Dec 2014 | British | 64 years |
| David Russell Clements | Director | 25 Jun 2004 | 11 Oct 2004 | British | 83 years |
| Dennis Butler Chandler | Director | 20 Sept 1992 | 30 Sept 1995 | British | 97 years |
| Donald Arthur Lawson | Director | 1 May 2011 | 31 Oct 2017 | British | 67 years |
| Douglas Alexander Drysdale Mccormick | Director | 1 Nov 2010 | 25 Jul 2014 | British | 64 years |
| Geoffrey Alan Robins | Director | 1 Apr 2009 | 3 Apr 2015 | British | 72 years |
| Geoffrey Christopher Yates-kneen | Director | 1 Nov 2010 | 30 Sept 2015 | British | 56 years |
| Graham Anthony Alfred | Director | 3 Apr 2000 | 30 Apr 2004 | British | 76 years |
| Graham Patrick Roberts | Director | 1 Apr 2009 | 30 Jun 2010 | British | 70 years |
| Heath Stewart Drewett | Director | 19 Jun 2009 | 15 Dec 2017 | British | 60 years |
| Helen Alice Baker | Secretary | 1 Jan 2008 | 4 Nov 2016 | British | - |
| Ian Robert Purser | Director | 3 Jul 2001 | 30 Jun 2011 | British | 75 years |
| Ivor Douglas Catto | Director | 25 Jun 2004 | 30 Sept 2008 | British | 60 years |
| James Constantine Stuart Mcclean | Director | 18 Nov 2005 | 24 Mar 2006 | British | 67 years |
| John Alexander Gould | Director | 1 Feb 2012 | 31 Mar 2018 | British | 61 years |
| Katie Charmian David | Secretary | 5 Aug 2002 | 4 Nov 2002 | British | - |
| Keith Edward Clarke | Director | 1 Oct 2003 | 31 Jul 2011 | British | 74 years |
| Leslie Dennis Newman | Director | 6 Apr 2020 | 30 Jul 2021 | British | 59 years |
| Mark Stephen Anderson | Director | 1 Sept 2017 | 17 May 2021 | British | 61 years |
| Martin Alexander Chalmers | Director | 1 Apr 2016 | 7 Apr 2019 | British | 62 years |
| Martin Macdonald Grant | Director | 1 Apr 2009 | 31 Mar 2020 | British | 68 years |
| Matthew Paul Elson | Director | 12 Jul 2006 | 31 Aug 2007 | British | 61 years |
| Michael Hugh Sigvald Muller | Director | 20 Sept 1992 | 31 Mar 1993 | British | 96 years |
| Michael Timothy Foley | Director | 20 Sept 1992 | 31 Mar 1999 | British | 85 years |
| Neil James Corfield Thomas | Director | 12 Jul 2006 | 31 Jul 2019 | British | 64 years |
| Nicholas John Roberts | Director | 1 Dec 2014 | 30 Apr 2019 | British | 58 years |
| Nicholas Simon Stagg | Director | 2 Oct 2000 | 31 Mar 2001 | British | 67 years |
| Norman Robert Schunter | Director | 25 Jun 2004 | 12 Jul 2006 | British | 81 years |
| Paul Crolla | Director | 5 Nov 2001 | 30 Nov 2002 | British | 76 years |
| Paul Edward Archer | Director | 2 Oct 1995 | 14 Apr 2000 | British | 81 years |
| Paul Kenneth Edward Dollin | Director | 1 Apr 2009 | 31 May 2010 | British | 55 years |
| Philip David Hoare | Director | 1 Apr 2011 | 11 Jun 2025 | British | 56 years |
| Philip Stephen James Davis | Secretary | 9 May 2005 | 30 Sept 2007 | British | - |
| Richard Charles Long | Director | 20 Sept 1992 | 27 May 2003 | British | 76 years |
| Richard Howarth Tomalin | Director | 20 Sept 1992 | 28 Mar 2002 | British | 82 years |
| Richard Howarth Tomalin | Secretary | 20 Sept 1992 | 28 Mar 2002 | British | - |
| Richard John Barrett | Director | 1 May 2007 | 31 Mar 2010 | British | 65 years |
| Richard John Piper | Director | 10 May 1994 | 1 Oct 2002 | British | 74 years |
| Richard Webster | Director | 4 Nov 2016 | 31 Aug 2017 | British | 52 years |
| Richard Webster | Secretary | 15 Sept 2004 | 4 Nov 2016 | British | - |
| Richard William Deacon | Director | 25 Jun 2004 | 1 May 2007 | British | 76 years |
| Richard William Hall | Director | 25 Jun 2004 | 29 Apr 2011 | British | 77 years |
| Robert Donald Cross | Director | 12 Apr 1999 | 28 Mar 2003 | British | 71 years |
| Robert James Macleod | Director | 27 May 2003 | 19 Jun 2009 | British | 62 years |
| Robin Simon Southwell | Director | 2 Apr 2001 | 30 Sept 2002 | British | 66 years |
| Sara Elizabeth Anne Lipscombe-nott | Director | 1 Jun 2008 | 20 Jun 2016 | British | 60 years |
| Sean Michael Haley | Director | 1 May 2011 | 31 Oct 2011 | British | 56 years |
| Simon Christopher Moon | Director | 1 May 2010 | 31 Dec 2011 | British | 59 years |
| Stephen Robert Billingham | Director | 1 Oct 2002 | 24 Aug 2004 | British | 68 years |
| Stephen Smith | Director | 25 Jun 2004 | 12 Jul 2006 | British | 80 years |
| Steven Johnson | Director | 1 Jul 2011 | 30 Nov 2011 | British | 77 years |
| Timothy Edward Arthur Askew | Director | 1 Jul 2010 | 31 Jan 2011 | British | 78 years |
| Trevor Hall | Director | 6 Nov 2001 | 3 Oct 2002 | British | 72 years |
| Victoria Elizabeth Hames | Secretary | 27 May 2003 | 3 Jan 2005 | British | - |
| William John Healy | Director | 5 Jul 1999 | 31 Oct 2002 | British | 70 years |