| Amanda Hamilton-stanley | Director | 1 Sept 2018 | 1 Sept 2020 | British | 58 years |
| Anthony Schofield | Director | 26 Jul 2005 | 30 Sept 2008 | British | 67 years |
| Aziz Jetha | Director | 26 Jul 2005 | 27 Apr 2012 | British | 75 years |
| Charles Bennett Brown | Director | 28 Aug 2001 | 26 Jul 2005 | British | 60 years |
| Charles Bennett Brown | Secretary | 28 Aug 2001 | 22 May 2003 | British | - |
| Christian Porta | Director | 26 Jul 2005 | 28 Jun 2013 | French | 64 years |
| Clive Burns | Secretary | 6 Apr 1993 | 31 Jan 2000 | British | - |
| Colin Ferguson Duncan | Secretary | 19 Sept 1992 | 6 Apr 1993 | British | - |
| David Smith Mitchell | Director | 18 Dec 1997 | 27 Apr 2000 | British | 89 years |
| Emmanuel Andre Marie Babeau | Director | 26 Jul 2005 | 30 Jun 2009 | French | 59 years |
| Graham Charles Hetherington | Director | 3 Aug 1999 | 7 Oct 2003 | British | 67 years |
| Herve Denis Michel Fetter | Director | 1 Oct 2008 | 31 Aug 2017 | French | 63 years |
| Ian Terence Fitzsimons | Director | 26 Jul 2005 | 31 Aug 2018 | British | 62 years |
| Ian Terence Fitzsimons | Secretary | 26 Jul 2005 | 1 Sept 2006 | British | - |
| Jane Egan | Secretary | 1 Sept 2006 | 14 Feb 2011 | British | - |
| John Anthony Fitzgerald Trigg | Director | 6 Jun 1995 | 12 Jan 1999 | British | 86 years |
| John Garner | Director | 19 Sept 1992 | 24 Sept 1993 | British | 93 years |
| Malcolm Wright | Director | 19 Sept 1992 | 18 Dec 1997 | British | 81 years |
| Nicholas David Martin Giles | Secretary | 7 Jan 2005 | 24 Aug 2005 | British | - |
| Peter Froude Macfarlane | Director | 19 Sept 1992 | 26 Sept 1995 | British | 88 years |
| Peter John Lyster | Director | 18 Dec 1997 | 24 Aug 2005 | British | 74 years |
| Peter Martin Burrell | Director | 19 Sept 1992 | 4 May 2001 | British | 79 years |
| Peter William Rosewell | Director | 19 Sept 1992 | 18 Dec 1997 | British | 85 years |
| Philip Bowman | Director | 12 Jan 1999 | 22 May 2003 | Australian | 74 years |
| Russell Phelps Kelley | Director | 4 May 2001 | 28 Aug 2001 | United States | 77 years |
| Russell Phelps Kelley | Secretary | 31 Jan 2000 | 28 Aug 2001 | United States | - |
| Sarah Helen Hughes | Secretary | 22 May 2003 | 7 Jan 2005 | British | - |
| Stuart Macnab | Director | 26 Jan 2011 | 31 Mar 2022 | British | 62 years |
| Stuart Macnab | Secretary | 29 Feb 2008 | 14 Feb 2011 | British | - |
| Thomas Gordon Mains | Director | 22 May 2003 | 24 Aug 2005 | British | 75 years |
| Vincent Turpin | Director | 1 Sept 2017 | 30 Sept 2020 | French | 48 years |