| Catherine Margaret Roe | Director | 27 Jul 2009 | 21 Dec 2009 | British | 65 years |
| Daniel Wright | Director | 10 Mar 1999 | 11 Apr 2000 | British | 72 years |
| Digby Nicholas Trout | Director | 31 Oct 1991 | 19 Nov 2009 | British | 73 years |
| Gavin John Aitkin Cargill | Director | 12 May 1992 | 12 Feb 1993 | British | 69 years |
| Gilles Pierre Marie Cojan | Director | 17 Jun 2002 | 15 Oct 2005 | French | 71 years |
| Graeme Trevor Daniel | Secretary | 3 Oct 2002 | 1 Jul 2003 | British | - |
| Jean Kathleen Mary Cuthbert | Director | 31 Oct 1991 | 2 Jun 1993 | British | 94 years |
| John Anthony Houston | Director | 23 Sept 1987 | 6 Aug 1997 | British | 76 years |
| Justin Robert De Blank | Director | 31 Oct 1991 | 15 Mar 1996 | British | 98 years |
| Louisa Hall | Director | 12 May 1992 | 20 Jun 1995 | British | 63 years |
| Marc Emile Sidonie Verstringhe | Director | 31 Oct 1991 | 12 Dec 2001 | British | 91 years |
| Mark Stewart Nelson | Director | 17 Jun 2002 | 15 Jun 2007 | British | 61 years |
| Michael Franklin Audis | Director | 15 Oct 2005 | 31 Dec 2010 | British | 72 years |
| Michael Gilpin | Director | 15 Nov 1995 | 3 Oct 2002 | British | 80 years |
| Nicholas Ian Boston | Director | 25 Mar 2011 | 30 Nov 2016 | British | 66 years |
| Pascal Lefebvre | Director | 15 Oct 2005 | 27 Jul 2009 | French | 65 years |
| Philip Joseph Foster | Director | 31 Dec 2010 | 25 Mar 2011 | British | 59 years |
| Robyn Vanessa Lines | Director | 14 Feb 1995 | 3 Oct 2002 | British | 63 years |
| Robyn Vanessa Lines | Secretary | 11 Apr 2000 | 3 Oct 2002 | British | - |
| Timothy John Doubleday | Director | 1 Jul 2003 | 25 Jun 2008 | British | 61 years |
| Timothy John Doubleday | Secretary | 1 Jul 2003 | 25 Jun 2008 | British | - |
| William Keith Moore | Secretary | 31 Oct 1991 | 11 Apr 2000 | British | - |