| Alice Hannah Black | Director | 31 Dec 2019 | 26 Aug 2022 | British | 42 years |
| Anthony John Radford | Director | 17 Mar 1994 | 31 Dec 2000 | British | 68 years |
| Brian Langfield | Director | 17 May 1991 | 28 Feb 1997 | British | 80 years |
| Christopher Andrew Hamilton | Director | 1 Jan 1998 | 2 Apr 2001 | British | 57 years |
| Colin Richard Clapham | Director | 17 Jul 2015 | 31 Oct 2019 | British | 80 years |
| James John Jordan | Director | 4 Feb 2002 | 31 Dec 2019 | British | 64 years |
| James John Jordan | Secretary | 1 Feb 2005 | 23 Jan 2009 | British | - |
| James Phillips | Director | 1 Jun 2001 | 19 Apr 2006 | British | 74 years |
| James Phillips | Secretary | 17 May 1991 | 1 Mar 1996 | British | - |
| Jennifer Canty | Director | 24 Apr 2024 | 30 Sept 2025 | British | 32 years |
| Karen Lorraine Atterbruy | Secretary | 4 Feb 2002 | 16 Jan 2012 | British | - |
| Katherine Elizabeth Hindmarsh | Director | 31 Oct 2019 | 1 Sept 2023 | British | 36 years |
| Keith Morgan Cushen | Director | 1 Mar 1996 | 1 Jun 2001 | British | 78 years |
| Kevin Mcgrath Murphy | Director | 2 Apr 2001 | 1 Jun 2001 | British | 74 years |
| Michael Andrew Lonnon | Secretary | 16 Jan 2012 | 26 Aug 2022 | - | - |
| Michael Andrew Lonnon | Secretary | 29 Nov 2023 | 9 Dec 2024 | - | - |
| Michael Andrew Lonnon | Director | 26 Aug 2022 | 9 Dec 2024 | British | 68 years |
| Michael John Allen | Director | 2 Apr 2001 | 1 Jun 2001 | British | 80 years |
| Molly Banham | Secretary | 26 Aug 2022 | 29 Nov 2023 | - | - |
| Nicholas Anthony Fenton | Director | 2 Apr 2001 | 1 Jun 2001 | British | 67 years |
| Nicola Amanda Eleanor Hastie | Director | 19 Apr 2006 | 31 Dec 2007 | British | 63 years |
| Omolola Olutomilayo Adedoyin | Director | 1 Sept 2023 | 24 Apr 2024 | British | 50 years |
| Peter Anthony Carr | Director | 6 Feb 2008 | 30 Sept 2011 | British | 71 years |
| Peter Robert Andrew | Director | 30 Sept 2011 | 17 Jul 2015 | British | 66 years |
| Richard Charles Fifield | Director | 2 Apr 2001 | 1 Jun 2001 | British | 65 years |
| Roy James Harrison | Director | 18 Apr 1994 | 1 Mar 1996 | British | 78 years |
| Russell Hayter | Director | 2 Apr 2001 | 1 Jun 2001 | British | 58 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 Clark Marsden | Director | 17 May 1991 | 30 Jun 1999 | British | 79 years |
| Stephen John Hinson | Director | 2 Apr 2001 | 1 Jun 2001 | British | 73 years |