| Anthony William Roberts | Director | 17 May 1991 | 1 Mar 1996 | British | 79 years |
| Bryan William Baker | Director | 17 May 1991 | 31 Dec 1992 | British | 93 years |
| Christopher Carney | Director | 2 May 2008 | 26 Jan 2011 | British | 51 years |
| Colin Richard Clapham | Secretary | 16 Jan 2012 | 5 Dec 2016 | - | - |
| Colin Richard Clapham | Director | 17 Jul 2015 | 31 Oct 2019 | British | 80 years |
| David John Holland | Director | 1 Mar 1996 | 25 Feb 1997 | British | 84 years |
| Deborah Vivien Cavendish Dowager Duchess Of Devonshire | Director | 17 May 1991 | 14 Apr 1993 | British | 105 years |
| Eric John Pountain | Director | 17 May 1991 | 31 Dec 1992 | British | 92 years |
| Ian Calvert Sutcliffe | Director | 31 Mar 2006 | 14 Apr 2008 | British | 66 years |
| James John Jordan | Secretary | 20 Dec 2004 | 23 Jan 2009 | British | - |
| James Phillips | Secretary | 17 May 1991 | 1 Mar 1996 | British | - |
| James Walter Shaw | Director | 17 May 1991 | 21 Sept 1995 | British | 88 years |
| Jennifer Canty | Director | 24 Apr 2024 | 30 Sept 2025 | British | 32 years |
| Jennifer Canty | Secretary | 24 Apr 2024 | 30 Sept 2025 | - | - |
| John Aubrey Owen | Director | 1 Apr 1992 | 6 Jun 1994 | British | 80 years |
| Jonathan Charles Murrin | Director | 3 Jul 2007 | 2 May 2008 | British | 56 years |
| Karen Lorraine Atterbury | Secretary | 4 Feb 2002 | 16 Jan 2012 | British | - |
| Katherine Elizabeth Hindmarsh | Secretary | 5 Dec 2016 | 7 Jul 2023 | - | - |
| Katherine Elizabeth Hindmarsh | Director | 31 Oct 2019 | 9 Oct 2023 | British | 36 years |
| Keith Morgan Cushen | Director | 1 Mar 1996 | 31 Dec 2003 | British | 78 years |
| Mavis Mcdonald | Director | 17 May 1991 | 6 Apr 1991 | British | 81 years |
| Michael Andrew Lonnon | Director | 30 Sept 2011 | 9 Dec 2024 | British | 68 years |
| Michael Brynley Tanner | Director | 1 Nov 1994 | 31 Dec 2004 | British | 81 years |
| Michael James O'sullivan | Director | 1 Nov 1994 | 31 Mar 2006 | British | 77 years |
| Michael John Jennings | Director | 17 May 1991 | 11 Jun 1993 | British | 78 years |
| Omolola Olutomilayo Adedoyin | Director | 9 Oct 2023 | 24 Apr 2024 | British | 50 years |
| Omolola Olutomilayo Adedoyin | Secretary | 7 Jul 2023 | 24 Apr 2024 | - | - |
| Peter Anthony Carr | Director | 24 Apr 2008 | 30 Sept 2011 | British | 71 years |
| Peter Ralph Leopold Walker-okeover | Director | 17 May 1991 | 15 Jun 1994 | British | 78 years |
| Peter Robert Andrew | Director | 22 Dec 2008 | 17 Jul 2015 | British | 66 years |
| Raymond Anthony Peacock | Director | 2 May 2008 | 22 Dec 2008 | British | 59 years |
| Roy James Harrison | Director | 18 Apr 1994 | 1 Mar 1996 | British | 78 years |
| Samuel Frank Pickstock | Director | 17 May 1991 | 18 Apr 1994 | British | 91 years |
| Stefan Edward Bort | Secretary | 1 Mar 1996 | 4 Feb 2002 | British | - |
| Stephen Adrian Jenkins | Director | 28 Jan 2005 | 3 Jul 2007 | British | 58 years |
| Terence Harold Mason | Director | 17 May 1991 | 1 Mar 1996 | British | 84 years |
| Teresa Adele Evans | Director | 15 Feb 1993 | 1 Mar 1996 | British | 76 years |
