| Adrian David Prockter | Secretary | 1 Aug 2006 | 15 Aug 2011 | British | - |
| Alan John Hayter | Secretary | 15 Aug 2011 | 16 Apr 2013 | British | - |
| Alistair Mcrae | Director | 29 Oct 2007 | 17 Apr 2013 | British | 68 years |
| Ben Coggan | Director | 15 Jul 2019 | 30 Jun 2023 | British | 48 years |
| Charles Cedric Hollinsworth | Director | 31 Jul 1998 | 1 Jan 2001 | British | 78 years |
| David Charles Plummer | Director | 5 Apr 1994 | 2 Sept 1996 | British | 66 years |
| David John Glenn | Director | 30 Apr 1997 | 11 Dec 2000 | British | 71 years |
| Deborah Grimason | Director | 16 Apr 2013 | 20 Nov 2013 | British | 63 years |
| Dyfrig Morgan James | Director | 1 Feb 1995 | 2 Apr 2003 | British | 72 years |
| Emmanuel Marie Germain Rigaux | Director | 1 Sept 2010 | 16 May 2011 | French | 55 years |
| Gordon Trevor Pryor | Director | 1 Jan 1993 | 5 Apr 1994 | British | 88 years |
| John Charles Spiers | Director | 25 May 1991 | 30 Apr 1997 | British | 79 years |
| John Charles Spiers | Secretary | 25 May 1991 | 30 Apr 1997 | British | - |
| Jonathan Charles Bennett Houlton | Director | 2 Sept 1996 | 31 May 1998 | British | 65 years |
| Jonathan James Lovett | Director | 2 Sept 1996 | 3 Jul 2000 | British | 71 years |
| Kenneth Rothery | Director | 25 May 1991 | 31 Jan 1995 | British | 93 years |
| Kevin John Seaman | Director | 10 Jul 2008 | 17 Apr 2013 | British | 70 years |
| Malcolm Whittle | Director | 25 May 1991 | 31 Jul 1998 | British | 79 years |
| Malcolm Whittle | Director | 6 Jun 2001 | 17 Apr 2013 | British | 79 years |
| Mark Thomas Wood | Director | 15 Aug 2011 | 17 Apr 2013 | British | 53 years |
| Mark Thomas Wood | Director | 21 Nov 2022 | 31 Aug 2025 | British | 53 years |
| Mark Wilson Joel | Director | 28 Jan 2004 | 15 Aug 2011 | British | 63 years |
| Martin Kenneth Riley | Director | 16 Apr 2013 | 4 May 2021 | British | 59 years |
| Martin Paul Reid | Director | 31 Dec 2004 | 29 Oct 2007 | British | 59 years |
| Maurice James Shelley | Director | 25 May 1991 | 5 Apr 1994 | British | 82 years |
| Michael John Saunders | Director | 1 Jan 2001 | 28 Jan 2004 | British | 70 years |
| Nigel Clifford Jackson | Director | 2 Apr 2003 | 31 Dec 2004 | British | 73 years |
| Patrick John Scannell | Director | 5 Apr 1994 | 2 Sept 1996 | British | 75 years |
| Paul Francis William Cottrell | Director | 16 Apr 2013 | 15 Jul 2019 | British | 60 years |
| Paul Gwilt | Director | 27 Aug 1991 | 3 Dec 1993 | British | 79 years |
| Paul Gwilt | Director | 11 Dec 2000 | 31 Dec 2003 | British | 79 years |
| Robert Anthony Stewart Whetstone | Director | 3 Jul 2000 | 1 Sept 2010 | British | 63 years |
| Robert Ian Findlater | Director | 3 Dec 1993 | 30 Apr 1997 | British | 71 years |
| Stephen Patrick Antony Savery | Director | 25 May 1991 | 1 Jan 1993 | British | 90 years |
| Stuart John Wykes | Director | 16 May 2011 | 17 Apr 2013 | British | 58 years |
| Terence Robert Last | Director | 31 Dec 2003 | 10 Jul 2008 | British | 76 years |
| Timothy Charles Jackson | Secretary | 1 Jan 2001 | 31 Jul 2006 | British | - |
| Warren Stuart Hall | Director | 5 Feb 1998 | 1 Jan 2001 | British | 76 years |
| Warren Stuart Hall | Secretary | 30 Apr 1997 | 1 Jan 2001 | British | - |