| Arthur Kent | Director | 15 Nov 1991 | 13 Jun 1996 | British | 85 years |
| Axel De Saint Quentin | Director | 2 Jan 2003 | 1 Oct 2009 | French | 63 years |
| Celia Rosalind Gough | Director | 25 Jul 2018 | 31 Oct 2025 | British | 51 years |
| Celia Rosalind Gough | Secretary | 1 Dec 2021 | 31 Oct 2025 | - | - |
| Christopher John Horton | Secretary | 1 Sept 1994 | 31 Aug 1998 | British | - |
| David Andrew Gerrard | Director | 1 Oct 2009 | 30 Jun 2021 | British | 62 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 |
| Elaine Margaret Aitken | Secretary | 12 Aug 2014 | 30 Nov 2021 | - | - |
| John Michael Kutner | Director | 5 Nov 1997 | 31 Dec 2008 | British | 86 years |
| John Michael Kutner | Secretary | 31 Aug 1998 | 2 Jan 2003 | British | - |
| Michel Jean Jacques Gourvennec | Director | 8 Dec 1999 | 2 Jan 2003 | French | 82 years |
| Richard Douglas Berry | Director | 31 Dec 2008 | 1 Jan 2012 | Australian | 70 years |
| Richard Douglas Berry | Secretary | 1 Jan 2009 | 1 Jan 2012 | Australian | - |
| Robert Charles Hunt | Secretary | 1 Dec 2011 | 12 Aug 2014 | - | - |
| Robert Charles Hunt | Director | 1 Dec 2011 | 24 Jul 2018 | British | 69 years |
| Robert Charles Hunt | Secretary | 2 Jan 2003 | 1 Jan 2009 | British | - |
| Robert Peter Leonard Armstrong | Director | 15 Nov 1991 | 19 Apr 1994 | British | 78 years |
| Roger Hurley | Director | 13 Jun 1996 | 30 Dec 1997 | British | 80 years |
| Shaun Michael Peter Bowden | Director | 19 Apr 1994 | 20 Nov 1997 | British | 79 years |
