| Andrew James Theodore Nelson | Director | 16 Sept 2002 | 5 Mar 2003 | British | 70 years |
| Andrew Patrick Paul Mortimer | Director | 23 Oct 2002 | 9 Nov 2007 | British | 59 years |
| Andrew Reinhard James | Director | 28 Feb 2002 | 11 Jun 2002 | British | 70 years |
| Beverley Heslop Griffin | Director | 8 Oct 1991 | 14 May 1999 | British | 103 years |
| Brian William Smith | Director | 8 Oct 1991 | 14 Apr 1993 | British | 100 years |
| Christopher Hind | Director | 16 Sept 2002 | 5 Mar 2003 | British | 80 years |
| Clive Edmund Smith | Director | 8 Oct 1991 | 1 Nov 2000 | British | 70 years |
| Daniel Michael Cropper | Secretary | 9 Sept 2022 | 28 Apr 2025 | - | - |
| David Edward Whittingham | Director | 18 Feb 2000 | 7 May 2005 | British | 65 years |
| Eleni Savva | Secretary | 12 Nov 2021 | 9 Sept 2022 | - | - |
| Esther Gaide | Director | 30 Mar 2018 | 18 Apr 2023 | French | 64 years |
| Francis John Bothwell | Director | 11 Jun 2003 | 12 Aug 2004 | British | 55 years |
| Gilles Pierre Marie Cojan | Director | 15 Dec 2004 | 15 Oct 2005 | French | 71 years |
| Graeme Trevor Daniel | Director | 14 May 1999 | 11 Apr 2005 | British | 70 years |
| Graeme Trevor Daniel | Secretary | 14 May 1999 | 11 Apr 2005 | British | - |
| Hilary Heslop Kelland | Director | 8 Oct 1991 | 14 May 1999 | British | 94 years |
| Ian Wright | Director | 28 Feb 2002 | 8 Sept 2008 | British | 68 years |
| Joanna Luke | Secretary | 31 Dec 2010 | 12 Nov 2021 | - | - |
| Julie Margaret Cooke | Director | 8 Oct 1991 | 22 Mar 1996 | British | 71 years |
| Kerry Michael Andrew Wood | Director | 8 Oct 1991 | 24 Apr 1997 | British | 82 years |
| Kerry Michael Andrew Wood | Director | 29 Apr 1997 | 18 Dec 1998 | British | 82 years |
| Malcolm William Cramp | Director | 8 Oct 1991 | 14 May 1999 | British | 71 years |
| Malcolm William Cramp | Secretary | 8 Oct 1991 | 14 May 1999 | British | - |
| Mark Stewart Nelson | Director | 15 Oct 2005 | 15 Jun 2007 | British | 61 years |
| Michael Franklin Audis | Secretary | 28 Jul 2008 | 31 Dec 2010 | Other | - |
| Michael Franklin Audis | Director | 27 May 2002 | 31 Dec 2010 | British | 72 years |
| Nicholas Ian Boston | Director | 25 Mar 2011 | 30 Nov 2016 | British | 66 years |
| Olivier Dubois | Director | 9 Nov 2015 | 30 Mar 2018 | French | 71 years |
| Pascal Lefebvre | Director | 15 Oct 2005 | 9 Nov 2015 | French | 65 years |
| Patrice Rene Marie Joseph Aubert | Director | 14 May 1999 | 15 Oct 2005 | French | 81 years |
| Peter Robert Dixon | Director | 28 Feb 2002 | 6 Jun 2003 | British | 70 years |
| Philip Ray Wilkinson | Director | 28 Feb 2002 | 15 Oct 2005 | British | 64 years |
| Robert Zolade | Director | 15 Dec 2004 | 27 Jul 2009 | French | 85 years |
| Ronald Charles Collacott | Director | 14 Aug 1995 | 15 Oct 1999 | British | 79 years |
| Russell Gordon Smith | Director | 8 Oct 1991 | 25 Feb 1997 | British | 66 years |
| Russell Gordon Smith | Director | 16 Jun 1997 | 14 May 1999 | British | 66 years |
| Thomas Edmond Barrett | Director | 30 Jun 2003 | 16 Jul 2004 | British | 57 years |
| Timothy John Doubleday | Director | 11 Apr 2005 | 25 Jun 2008 | British | 61 years |
| Timothy John Doubleday | Secretary | 11 Apr 2005 | 25 Jun 2008 | British | - |
| Timothy John West | Director | 14 May 1999 | 1 Jul 2005 | British | 70 years |
| Timothy Mark Smith | Director | 28 Feb 2002 | 6 Oct 2003 | British | 60 years |
| Timothy Richard William Hammond | Director | 22 Aug 2012 | 4 Apr 2014 | British | 66 years |
| William James Sutherland | Director | 8 Oct 1991 | 14 May 1999 | British | 81 years |