| Anthony Wilby | Director | 15 Dec 2003 | 3 Jul 2007 | British | 73 years |
| Caterina De Feo | Secretary | 27 May 2005 | 12 Nov 2007 | British | - |
| Christopher Carney | Director | 9 Dec 2008 | 12 Jun 2009 | British | 51 years |
| Clifford Robin Knott | Director | 27 Jan 1993 | 1 Mar 1994 | British | 83 years |
| Clifford Robin Knott | Director | 10 Jan 2001 | 31 Mar 2002 | British | 83 years |
| Clifford Robin Knott | Secretary | 22 Jun 1992 | 1 Apr 1997 | British | - |
| Colin Richard Clapham | Director | 16 Jan 2012 | 31 Oct 2019 | British | 80 years |
| Guy Trevor Parker | Director | 3 Jul 2007 | 6 Mar 2008 | British | 65 years |
| James John Jordan | Secretary | 12 Nov 2007 | 15 Apr 2008 | British | - |
| Jennifer Canty | Director | 24 Apr 2024 | 30 Sept 2025 | British | 32 years |
| John Howard Brooks | Director | 11 Nov 1993 | 31 Mar 2003 | British | 80 years |
| Jonathan Philip Hastings | Secretary | 10 Jan 2000 | 28 Jul 2000 | British | - |
| Jonathan Philip Hastings | Secretary | 1 Jan 2001 | 27 May 2005 | British | - |
| Justine Maria Parker Brown | Secretary | 1 Apr 1997 | 10 Jan 2000 | British | - |
| Justine Maria Parker Brown | Secretary | 28 Jul 2000 | 1 Jan 2001 | British | - |
| Karen Lorraine Atterbury | Director | 10 Jul 2009 | 16 Jan 2012 | British | 49 years |
| Katherine Elizabeth Hindmarsh | Director | 31 Oct 2019 | 2 Jun 2023 | British | 36 years |
| Kenneth Douglas Taylor | Director | 22 Jun 1992 | 31 Dec 1992 | British | 101 years |
| Michael Andrew Lonnon | Secretary | 1 Jan 2009 | 9 Dec 2024 | British | - |
| Omolola Olutomilayo Adedoyin | Director | 2 Jun 2023 | 24 Apr 2024 | British | 50 years |
| Paul Francis Christopher Satow | Director | 22 Jun 1992 | 31 Dec 1992 | British | 104 years |
| Peter Anthony Carr | Secretary | 15 Apr 2008 | 1 Jan 2009 | British | - |
| Peter Robert Andrew | Director | 9 Dec 2008 | 10 Jul 2009 | British | 66 years |
| Raymond Bateman | Director | 1 Feb 1995 | 1 Apr 2004 | British | 79 years |
| Robin Danvers Penrose Gillett | Director | 22 Jun 1992 | 7 Jun 1993 | British | 100 years |
| Roger Taylor | Director | 7 Jun 1993 | 2 May 2008 | British | 78 years |
| Ryan Dirk Mangold | Director | 12 Jun 2009 | 14 Oct 2011 | South African And British | 54 years |
| William Robert Patrick Knox-johnston | Director | 22 Jun 1992 | 31 Oct 1993 | British | 86 years |