| Andrew Peter Smith | Director | 21 Mar 2005 | 30 Apr 2007 | British | 60 years |
| Andrew Peter Smith | Secretary | 5 Feb 2007 | 30 Apr 2007 | British | - |
| Barbara Jane Ruffell | Director | 1 Apr 1998 | 17 Nov 2010 | British | 95 years |
| Colin Caldwell | Secretary | 14 Nov 2019 | 8 Apr 2020 | - | - |
| David William Alexander | Director | 21 Mar 2005 | 31 Dec 2007 | British | 80 years |
| Duncan John Lucas Bates | Director | 27 Jul 2012 | 2 Nov 2017 | British | 68 years |
| Francois Darley | Director | 9 Nov 1994 | 31 Mar 2006 | French | 76 years |
| Frederic Devos | Director | 31 Dec 2007 | 25 Jan 2012 | French | 62 years |
| Geoffrey Robert Lambert | Secretary | 10 Apr 1993 | 31 Mar 2000 | British | - |
| Graham John Oliver | Secretary | 2 Nov 2007 | 13 Apr 2012 | British | - |
| Helen Elaine Lofthouse | Secretary | 1 Apr 2000 | 31 Jan 2007 | British | - |
| Jack Jeffery | Director | 10 Nov 1992 | 31 Dec 2002 | British | 96 years |
| James Alexander Joluffe | Secretary | 14 Feb 2007 | 5 Apr 2007 | British | - |
| Jean Claude Banon | Director | 10 Apr 1993 | 31 Dec 2010 | French | 78 years |
| Jeffrey William Herbert | Director | 9 Dec 2002 | 27 Jul 2012 | British | 84 years |
| John Albert William Rayner | Director | 10 Apr 1993 | 31 Dec 2003 | British | 90 years |
| Joseph Bernard Mangion | Director | 11 Sept 1996 | 30 Nov 2003 | British | 68 years |
| Keith Haslett | Director | 4 Oct 2024 | 1 Jan 2025 | British | 47 years |
| Martin Roughead | Director | 17 Apr 2023 | 4 Oct 2024 | British | 39 years |
| Nevil George Muncaster | Director | 1 May 2007 | 27 Jun 2012 | British | 62 years |
| Nevil George Muncaster | Secretary | 1 May 2007 | 2 Nov 2007 | British | - |
| Olivier Marie Bret | Director | 25 Jan 2012 | 27 Jun 2012 | French | 64 years |
| Patrick Makoni | Secretary | 25 Nov 2021 | 31 Mar 2025 | - | - |
| Peter James Martin | Director | 1 Jan 2003 | 27 Jul 2012 | British | 82 years |
| Peter William Darby | Director | 2 Mar 2000 | 21 Mar 2005 | British | 77 years |
| Rees Griffiths | Director | 10 Apr 1993 | 28 Feb 1996 | British | 79 years |
| Richard Antoine Bienfait | Director | 11 Jul 2012 | 31 Dec 2014 | British | 59 years |
| Stuart Neil Ledger | Director | 2 Nov 2017 | 25 Nov 2021 | British | 50 years |
| Sunita Kaushal | Director | 25 Nov 2021 | 3 Apr 2023 | British | 53 years |
| Tim Leonard Charlesworth | Secretary | 1 Jun 2012 | 22 Jan 2013 | - | - |
| Timothy John William Monod | Secretary | 20 Sept 2010 | 6 Nov 2019 | - | - |
| Tommaso Panico | Secretary | 1 Apr 2021 | 14 Jun 2021 | - | - |
| William Stratford Dugdale | Director | 10 Apr 1993 | 21 Jul 1999 | British | 104 years |
