| Alun Hughes Griffiths | Director | 18 Nov 2005 | 1 Dec 2011 | British | 72 years |
| Amanda Jane Emilia Massie | Director | 15 Sept 1999 | 5 Aug 2002 | British | 56 years |
| Amanda Jane Emilia Massie | Secretary | 7 Feb 2000 | 15 Sept 2004 | British | - |
| Colin Peter Haylock | Director | 1 Oct 1993 | 11 Nov 1994 | British | 80 years |
| David Michael Peirse Lowe | Director | 4 Nov 2002 | 29 Sept 2006 | British | 82 years |
| David Philip Ridley | Director | 4 Oct 1999 | 31 Mar 2001 | British | 83 years |
| David Pick | Director | 4 Feb 2002 | 16 Oct 2006 | British | 68 years |
| David Richard Spurling Harris | Director | 1 Apr 1994 | 4 Nov 2002 | British | 81 years |
| David Russell Clements | Director | 13 May 2002 | 16 Mar 2005 | British | 83 years |
| David Slater | Director | 1 Apr 1994 | 8 Oct 1999 | British | 83 years |
| Douglas Arthur Robert Reeson | Director | 1 Oct 1993 | 16 Jun 1995 | British | 80 years |
| Harold Christopher Symonds | Director | 1 Oct 1993 | 30 Sept 2001 | British | 82 years |
| Heath Stewart Drewett | Director | 19 Jun 2009 | 1 Dec 2011 | British | 60 years |
| Helen Alice Baker | Secretary | 1 Jan 2008 | 1 Dec 2011 | British | - |
| Ian Robert Purser | Director | 15 Jul 2004 | 30 Jun 2011 | British | 75 years |
| James Constantine Stuart Mcclean | Director | 18 Nov 2005 | 24 Mar 2006 | British | 67 years |
| Jean Mary Renton | Director | 1 Nov 2019 | 15 Aug 2025 | British | 58 years |
| Jeremy Paul Clayton | Director | 18 Jan 1993 | 1 Oct 1993 | British | 70 years |
| Jonathan Nigel Edward Cowdell | Director | 14 Jun 2016 | 15 Jun 2016 | British | 60 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 |
| Keith Maurice Hounslow | Director | 1 Apr 1994 | 31 Mar 1995 | British | 91 years |
| Laurent Arnaudo | Director | 15 Apr 2016 | 1 Nov 2019 | French | 59 years |
| Lynn Christine Mawdsley | Director | 8 Jan 2014 | 15 Apr 2016 | British | 67 years |
| Mark Andrew Sowerby | Director | 1 May 2005 | 1 Dec 2011 | British | 55 years |
| Michael Makepeace Eugene Jeffries | Director | 1 Oct 1993 | 31 Mar 2001 | British | 82 years |
| Neil Daniel Murray | Director | 30 Nov 2011 | 31 Aug 2016 | Irish | 51 years |
| Nicholas John Edward Crowther | Director | 4 Nov 2002 | 21 Jan 2005 | British | 66 years |
| Paul Crolla | Director | 5 Nov 2001 | 30 Nov 2002 | British | 76 years |
| Paul Leonard Crook | Director | 13 May 2002 | 29 Oct 2002 | British | 63 years |
| Philip Richard Andrew | Director | 30 Nov 2011 | 28 Mar 2013 | British | 55 years |
| Philip Stephen James Davis | Secretary | 9 May 2005 | 30 Sept 2007 | British | - |
| Richard Frederick Charles How | Director | 18 Jan 1993 | 1 Oct 1993 | British | 77 years |
| Richard Frederick Charles How | Secretary | 18 Jan 1993 | 1 Oct 1993 | British | - |
| Richard Howarth Tomalin | Secretary | 1 Oct 1993 | 28 Mar 2002 | British | - |
| Richard Webster | Secretary | 15 Sept 2004 | 1 Dec 2011 | British | - |
| Richard William Hall | Director | 4 Oct 1999 | 4 Nov 2002 | British | 77 years |
| Richard William Hall | Director | 1 May 2005 | 29 Apr 2011 | British | 77 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 |
| Sean Michael Haley | Director | 4 Nov 2002 | 15 Jan 2007 | British | 56 years |
| Sean Michael Haley | Director | 30 Nov 2011 | 31 Dec 2024 | British | 56 years |
| Simon Clark | Director | 13 May 2002 | 1 Jun 2004 | British | 67 years |
| Stephen Robert Billingham | Director | 27 May 2003 | 24 Aug 2004 | British | 68 years |
| Steven Johnson | Director | 1 Jul 2011 | 30 Nov 2011 | British | 77 years |
| Trevor Hall | Director | 6 Nov 2001 | 3 Oct 2002 | British | 72 years |
| Victoria Elizabeth Hames | Secretary | 27 May 2003 | 3 Jan 2005 | British | - |