| Alastair Bradshaw | Secretary | 21 Dec 2011 | 3 Mar 2014 | - | - |
| Alexandra Dadd | Secretary | 30 Jul 2008 | 30 Jan 2009 | Other | - |
| Alisdair Mark Chant | Director | 1 May 2001 | 17 Jun 2015 | British | 58 years |
| Alistair James Brand | Director | 1 May 2001 | 4 Mar 2005 | British | 64 years |
| Allen Edmond Michaels | Director | 9 Nov 2023 | 13 Nov 2023 | British | 44 years |
| Allen Edmond Michaels | Director | 17 Jan 2024 | 22 Feb 2024 | British | 44 years |
| Allen Edmond Michaels | Director | 24 Feb 2025 | 14 Apr 2025 | British | 44 years |
| Andrew Michael Saunders-davies | Director | 1 May 2001 | 23 May 2019 | British | 67 years |
| Andrew Nicholas Peters | Director | 1 May 2013 | 30 Jan 2014 | British | 57 years |
| Andrew Nicholas White | Director | 4 Sept 2001 | 27 May 2003 | British | 69 years |
| Angus James Michie | Director | 27 May 2003 | 14 Feb 2019 | British | 59 years |
| Ann Marie Dibben | Secretary | 6 Jan 2020 | 10 Apr 2024 | - | - |
| Anthony Roy Foster | Secretary | 30 Sept 2005 | 15 Feb 2008 | British | - |
| Anthony William Pidgley | Director | 6 Oct 2000 | 26 Jun 2020 | British | 78 years |
| Charles Calverley | Director | 14 Mar 2008 | 23 Jun 2008 | British | 55 years |
| Christopher Hewetson Payne | Director | 27 May 2003 | 22 Oct 2004 | British | 66 years |
| Claire Puttergill | Secretary | 6 Oct 2000 | 17 Oct 2003 | British | - |
| Darryl John Flay | Director | 1 May 2001 | 31 Aug 2001 | British | 62 years |
| David Anthony Fox | Director | 1 May 2001 | 17 Jun 2015 | British | 58 years |
| David Tobutt | Director | 15 Jan 2002 | 16 Mar 2004 | British | 70 years |
| Elaine Anne Driver | Secretary | 3 Mar 2014 | 8 Aug 2016 | - | - |
| Elizabeth Taylor | Secretary | 1 Feb 2004 | 30 Sept 2005 | British | - |
| Gary John Hodges | Director | 1 May 2001 | 31 Dec 2012 | British | 64 years |
| Gavin Vaughan Stewart | Director | 1 May 2001 | 27 May 2003 | British | 66 years |
| Gemma Parsons | Secretary | 8 Aug 2016 | 4 May 2018 | - | - |
| Guy Richard Wakeley | Director | 27 May 2003 | 31 Mar 2005 | British | 55 years |
| Harry James Hulton Lewis | Director | 5 Mar 2015 | 17 Jun 2015 | British | 50 years |
| Jared Stephen Philip Cranney | Secretary | 4 May 2018 | 21 Oct 2019 | - | - |
| Jeremy Cole Allport | Director | 31 Jan 2006 | 9 Jul 2006 | British | 51 years |
| Julian Paul Hodder | Director | 27 May 2003 | 26 Sept 2012 | British | 54 years |
| Mark Davies Dickinson | Director | 7 Sept 2005 | 18 Jun 2007 | British | 57 years |
| Michael Russell Meanley | Director | 14 Mar 2008 | 10 Sept 2008 | British | 59 years |
| Nicholas Stonley | Director | 4 Sept 2001 | 15 Jan 2008 | British | 65 years |
| Nicolas Guy Simpkin | Director | 10 Sept 2009 | 17 Jun 2015 | British | 56 years |
| Patrick Francis Sweetnam | Director | 1 May 2001 | 31 Oct 2003 | British | 74 years |
| Paul Mark Vallone | Director | 1 May 2001 | 15 Feb 2002 | British | 61 years |
| Peter James Smith | Director | 17 Jun 2015 | 4 Sept 2023 | British | 54 years |
| Peter Victor Nesbitt | Director | 1 May 2001 | 17 Jun 2015 | British | 79 years |
| Philip James Curwen | Director | 22 Oct 2004 | 31 Jan 2006 | British | 53 years |
| Piers Martin Clanford | Director | 25 Sept 2008 | 17 Jun 2015 | British | 55 years |
| Rameen Firoozan | Director | 27 May 2003 | 17 Jun 2015 | British | 61 years |
| Richard James Stearn | Secretary | 30 Jan 2009 | 21 Dec 2011 | British | - |
| Robert Charles Grenville Perrins | Secretary | 15 Feb 2008 | 30 Jul 2008 | British | - |
| Robert William Monkman | Director | 11 Sept 2001 | 6 Sept 2002 | British | 59 years |
| Roger St John Hulton Lewis | Director | 6 Oct 2000 | 30 Apr 2001 | British | 78 years |
| Stephen Anthony Bangs | Director | 27 May 2003 | 31 Mar 2008 | British | 59 years |
| Thomas Anthony Lewis Olsen | Director | 8 Jan 2015 | 8 Jan 2015 | British | 49 years |
| Tony Kelly Pidgley | Director | 11 Oct 2000 | 30 Apr 2001 | British | 57 years |
| Wendy Joan Pritchard | Secretary | 21 Oct 2019 | 6 Jan 2020 | - | - |
| Wendy Joan Pritchard | Secretary | 27 Nov 2003 | 1 Feb 2004 | British | - |