| Arthur Kent | Director | 15 Nov 1991 | 13 Jun 1996 | British | 85 years |
| Axel De Saint Quentin | Director | 19 May 2006 | 1 Oct 2009 | French | 63 years |
| Celia Rosalind Gough | Director | 6 Jan 2014 | 31 Oct 2025 | British | 51 years |
| Christopher John Horton | Secretary | 1 Sept 1994 | 31 Aug 1998 | British | - |
| Cyrille Du Peloux De Saint Romain | Director | 2 Jan 2003 | 12 Jun 2007 | French | 72 years |
| David Andrew Gerrard | Director | 1 Oct 2009 | 5 Oct 2021 | British | 62 years |
| Derek Stephen Newman | Director | 16 May 1991 | 31 Oct 1995 | British | 76 years |
| Derrick John Armstrong | Secretary | 15 Nov 1991 | 1 Sept 1994 | British | - |
| Edouard Jacques Dupont Madinier | Director | 5 Nov 1997 | 17 Feb 2000 | French | 72 years |
| Graham Rhodes | Director | 15 Nov 1991 | 8 May 1992 | British | 77 years |
| Ian Gordon Johns | Director | 12 Jul 1996 | 30 Dec 1997 | British | 68 years |
| Jeffrey Michael Pearson | Director | 7 Apr 1997 | 20 Dec 2018 | British | 66 years |
| John Michael Kutner | Director | 5 Nov 1997 | 31 Dec 2008 | British | 86 years |
| John Michael Kutner | Secretary | 31 Aug 1998 | 2 Jan 2003 | British | - |
| John Parry | Director | 25 Aug 1995 | 12 Jul 1996 | British | 85 years |
| Katherine Anne Swann | Director | 2 Jul 2020 | 11 Oct 2024 | British | 47 years |
| Kenneth Johnson | Director | 15 Nov 1991 | 22 May 1995 | British | 73 years |
| Malcolm Wood | Director | 15 Nov 1991 | 29 Oct 1993 | British | 95 years |
| Michel Jean Jacques Gourvennec | Director | 8 Dec 1999 | 2 Jan 2003 | French | 82 years |
| Neil Vincent Gallagher | Director | 21 Jan 2019 | 30 Jun 2020 | British | 63 years |
| Patrick James Custis | Director | 1 Nov 1993 | 1 Mar 1995 | British | 105 years |
| Philip Keith Bayley | Director | 15 Nov 1991 | 1 Jan 1995 | British | 83 years |
| Richard Douglas Berry | Secretary | 1 Jan 2009 | 1 Jan 2012 | Australian | - |
| Robert Charles Hunt | Secretary | 1 Dec 2011 | 28 Jun 2014 | - | - |
| Robert Charles Hunt | Secretary | 2 Jan 2003 | 1 Jan 2009 | British | - |
| Shaun Michael Peter Bowden | Director | 1 Mar 1995 | 20 Nov 1997 | British | 79 years |
| Simon Hindmarsh | Director | 17 Dec 1991 | 8 Sept 1995 | British | 71 years |
| Thomas Howard Myers | Director | 26 Jun 1992 | 28 Feb 1995 | British | 68 years |
| Thomas Spaul | Director | 27 Jan 1993 | 30 Sept 2013 | British | 73 years |