| Andrew Robert Bragger | Director | 1 Aug 1996 | 31 Oct 1998 | British | 81 years |
| Ann Patricia Fulker | Director | 31 Mar 2003 | 30 Sept 2005 | British | 75 years |
| Anne Joan Hall | Director | 23 Jan 2006 | 15 Oct 2010 | British | 56 years |
| Anne Joan Hall | Secretary | 1 Jul 2006 | 15 Oct 2010 | British | - |
| Brian Stanley Blatchford | Director | 20 Sept 2002 | 23 Jan 2006 | English | 78 years |
| Colin Peter Dixon | Director | 1 May 2001 | 24 Mar 2005 | British | 76 years |
| Derek David Dennard | Director | 22 Jan 1991 | 1 May 2001 | British | 82 years |
| Derek David Dennard | Director | 2 May 2003 | 21 Jan 2006 | British | 82 years |
| Edric Andrew White | Director | 1 Oct 1998 | 6 Dec 2002 | British | 71 years |
| Edward Francis Owens | Director | 25 Apr 2017 | 3 Jun 2019 | British | 59 years |
| Graham Kenneth Jones | Director | 22 Jan 1991 | 18 Jan 1995 | British | 77 years |
| Graham Neil Turner | Director | 22 Jan 1991 | 1 May 2001 | British | 79 years |
| Graham Neil Turner | Secretary | 22 Jan 1991 | 1 May 2001 | British | - |
| Gwendoline Jex | Director | 1 Oct 1994 | 30 Nov 1998 | British | 73 years |
| James Adair Milford | Director | 15 Oct 2010 | 7 Feb 2011 | British | 75 years |
| Jennifer Canty | Director | 24 Apr 2024 | 30 Sept 2025 | British | 32 years |
| John Edward Kitchin | Director | 12 Jan 2006 | 30 Oct 2010 | British | 73 years |
| Karen Lorraine Atterbury | Secretary | 15 Oct 2010 | 16 Jan 2012 | - | - |
| Katherine Elizabeth Hindmarsh | Director | 3 Jun 2019 | 9 Oct 2023 | British | 36 years |
| Michael Andrew Lonnon | Secretary | 16 Jan 2012 | 9 Dec 2024 | - | - |
| Michael Andrew Lonnon | Director | 20 Dec 2019 | 9 Dec 2024 | British | 68 years |
| Michael Arthur Southcombe | Director | 15 Oct 2010 | 7 Feb 2011 | British | 73 years |
| Michael William Gearon | Director | 22 Jan 1991 | 1 May 2001 | British | 79 years |
| Mike Jones | Director | 1 Oct 2000 | 15 Oct 2010 | British | 67 years |
| Natalie Jane Flint | Director | 1 Feb 2006 | 15 Oct 2010 | British | 56 years |
| Omolola Olutomilayo Adedoyin | Director | 9 Oct 2023 | 24 Apr 2024 | British | 50 years |
| Paul Timothy Wright | Director | 12 Jan 2006 | 15 Oct 2010 | British | 68 years |
| Paul Timothy Wright | Secretary | 1 May 2001 | 1 Jul 2006 | British | - |
| Peter Alan Hance | Director | 23 Jan 2006 | 15 Oct 2010 | British | 77 years |
| Peter Christoher Stevens | Director | 23 Jan 2006 | 15 Oct 2010 | British | 70 years |
| Peter Martin Truscott | Director | 7 Feb 2011 | 8 Sept 2015 | British | 63 years |
| Phillip Victor Lyons | Director | 7 Feb 2011 | 25 Apr 2017 | British | 61 years |
| Robert Bond | Director | 12 Jan 2006 | 30 Oct 2010 | British | 69 years |
| Robert Moran | Director | 1 Oct 1999 | 6 May 2003 | British | 69 years |
| Robert Neil Lockhart | Director | 4 May 2001 | 26 Nov 2004 | British | 75 years |
| Roger Henry Povey | Director | 22 Jan 1991 | 28 Mar 2010 | British | 78 years |
| Timothy Edward Nutt | Director | 8 Sept 2015 | 20 Dec 2019 | British | 60 years |
| Warwick James Barnes | Director | 1 Oct 2007 | 15 Oct 2010 | British | 57 years |