| Alan Francis Rowlinson | Director | 1 Jul 2003 | 8 Aug 2006 | British | 83 years |
| Amanda Clare Stainton | Director | 21 Apr 2008 | 30 Jun 2022 | British | 62 years |
| Andy Mark Sneyd | Director | 7 Sept 2015 | 1 Aug 2017 | British | 58 years |
| Brian David Shaw | Director | 3 Apr 2000 | 29 May 2015 | British | 67 years |
| Christian Serge Madrolle | Director | 23 Nov 1991 | 31 Jul 1997 | French | 80 years |
| Colin Leslie Brown | Director | 1 Oct 2003 | 3 Nov 2016 | British | 61 years |
| Colin Stuart Shepherd | Director | 23 Nov 1991 | 8 Nov 1995 | British | 99 years |
| David Ian Thompson | Director | 1 Jan 1993 | 1 Mar 2014 | British | 75 years |
| Derek Paul Carter | Director | 1 May 2012 | 31 Dec 2021 | British | 68 years |
| Dominic Paulo Ruscillo | Director | 1 Jan 2015 | 30 Nov 2021 | British | 64 years |
| Donald Welton Shepherd | Director | 23 Nov 1991 | 31 Mar 1996 | British | 108 years |
| Francis Gordon Appelbe | Director | 1 Jan 1994 | 30 Nov 2003 | British | 83 years |
| Ian Douglas Smith | Director | 12 Jun 2000 | 19 Sept 2003 | British | 70 years |
| James David Kinbar Robinson | Director | 30 Nov 2015 | 28 Mar 2024 | British | 59 years |
| Jean-luc Guenard | Director | 29 Aug 2012 | 25 May 2016 | French | 59 years |
| John Semourson | Director | 23 Nov 1991 | 8 Nov 1995 | British | 95 years |
| Keith Frederick Blanshard | Director | 1 Oct 2005 | 10 Aug 2007 | British | 82 years |
| Keith Worrall | Director | 10 Jul 2006 | 19 Sept 2006 | British | 63 years |
| Kenneth Southern | Director | 5 May 1998 | 30 Apr 2007 | British | 80 years |
| Martin Ian Goforth | Secretary | 1 Jan 2017 | 9 Jan 2023 | - | - |
| Neil Runkee | Director | 1 Aug 2011 | 31 Jan 2016 | British | 64 years |
| Patrick Michael Shepherd | Director | 1 Jan 1993 | 1 Feb 2008 | British | 71 years |
| Paul Charles Russell | Director | 1 Feb 2007 | 20 May 2011 | British | 70 years |
| Paul Welton Shepherd | Director | 23 Nov 1991 | 9 Nov 1994 | British | 82 years |
| Peter Shepherd | Director | 23 Nov 1991 | 9 Nov 1994 | British | 110 years |
| Philip John Clarke | Secretary | 22 Oct 1998 | 31 Dec 2016 | British | - |
| Richard Leach Tagg | Director | 23 Nov 1991 | 11 Nov 1992 | British | 99 years |
| Roger Wood | Director | 5 May 1998 | 30 Jun 2003 | British | 84 years |
| Simon Pollard | Director | 31 Aug 2021 | 28 Mar 2024 | British | 50 years |
| Simon William Saville Ambler | Director | 30 Jun 2008 | 29 Jun 2018 | British | 66 years |
| Stephen Paul Newell | Director | 1 Aug 2017 | 28 Mar 2024 | British | 61 years |
| Stephen Price | Director | 1 Sept 1995 | 1 Jan 2013 | British | 74 years |
| Stephen Wentworth Stericker | Director | 23 Nov 1991 | 11 Mar 1999 | British | 79 years |
| William James | Secretary | 23 Nov 1991 | 21 Oct 1998 | British | - |