| Alasdair Nicholls | Director | 1 Nov 2000 | 31 Dec 2001 | British | 62 years |
| Alice Hannah Black | Director | 31 Dec 2019 | 26 Aug 2022 | British | 42 years |
| Arthur Charles Sayers | Director | 20 May 1992 | 30 Sept 1994 | British | 92 years |
| Arthur Charles Sayers | Secretary | 20 May 1992 | 30 Sept 1994 | British | - |
| Christopher Carney | Director | 2 May 2008 | 12 Jun 2009 | British | 51 years |
| Colin Richard Clapham | Secretary | 1 Dec 2009 | 24 Oct 2018 | - | - |
| David Douglas Percival White | Director | 23 Nov 2001 | 30 Apr 2004 | British | 75 years |
| David Stewart Taylor | Director | 20 May 1992 | 31 Dec 1993 | British | 86 years |
| Denis James Anthony Mac Daid | Director | 23 Nov 2001 | 30 Jun 2005 | British | 81 years |
| Graham Prothero | Director | 4 Jan 2000 | 31 Aug 2001 | British | 64 years |
| Ian Calvert Sutcliffe | Director | 19 Sept 2007 | 14 Apr 2008 | British | 66 years |
| Ian Macdonald Dickson | Director | 23 Mar 1998 | 30 Apr 2002 | British | 74 years |
| James John Jordan | Director | 2 Jan 2015 | 31 Dec 2019 | British | 64 years |
| James John Jordan | Secretary | 31 Dec 2007 | 6 Feb 2008 | British | - |
| Jennifer Canty | Secretary | 24 Apr 2024 | 30 Sept 2025 | - | - |
| John Bruce Anderson | Director | 12 Aug 1992 | 30 Apr 2002 | British | 62 years |
| John David William Carter | Director | 22 Sept 1997 | 30 Apr 2002 | British | 64 years |
| John Joseph Scannell | Director | 20 May 1992 | 20 Sept 2000 | British | 67 years |
| John Keith Lamey | Director | 16 Oct 1995 | 30 Apr 2002 | British | 78 years |
| John Owen Saunders | Director | 20 May 1992 | 30 Jun 1996 | British | 94 years |
| Jonathan Charles Murrin | Director | 2 Jul 2007 | 2 May 2008 | British | 56 years |
| Jonathan Martin Drake | Director | 9 Sept 2009 | 31 Mar 2013 | British | 50 years |
| Jonathan Philip Hastings | Secretary | 1 Jul 2001 | 27 May 2005 | British | - |
| Karen Lorraine Atterbury | Secretary | 1 Jan 2009 | 1 Dec 2009 | Other | - |
| Katherine Elizabeth Hindmarsh | Secretary | 24 Oct 2018 | 7 Jul 2023 | - | - |
| Keith Robert Egerton | Director | 1 Jul 1996 | 31 Dec 1998 | British | 83 years |
| Kevin Edwin Belsham | Director | 9 Sept 2009 | 30 Jun 2017 | British | 73 years |
| Nicholas Carey Smith | Director | 23 Nov 2001 | 3 Jul 2007 | British | 68 years |
| Nicola Amanda Eleanor Hastie | Secretary | 19 Sept 2007 | 31 Dec 2007 | British | - |
| Omolola Olutomilayo Adedoyin | Secretary | 7 Jul 2023 | 24 Apr 2024 | - | - |
| Paul David Phipps | Director | 20 May 1992 | 18 Jul 2001 | British | 73 years |
| Peter Anthony Carr | Director | 24 Apr 2008 | 30 Sept 2011 | British | 71 years |
| Peter Anthony Carr | Secretary | 6 Feb 2008 | 1 Jan 2009 | British | - |
| Peter Richard Gurr | Director | 22 Sept 1997 | 30 Apr 2002 | British | 70 years |
| Peter Robert Andrew | Director | 1 Jul 2000 | 30 Apr 2002 | British | 66 years |
| Peter Robert Andrew | Director | 13 Jan 2009 | 15 Jul 2009 | British | 66 years |
| Peter Robert Andrew | Director | 2 Jan 2015 | 17 Jul 2015 | British | 66 years |
| Peter Thomas Johnson | Director | 19 Nov 2003 | 19 Sept 2007 | British | 71 years |
| Raymond Anthony Peacock | Director | 2 May 2008 | 13 Jan 2009 | British | 59 years |
| Richard Ian Morbey | Secretary | 27 May 2005 | 19 Sept 2007 | British | - |
| Richard Keith Bird | Director | 1 Jan 1993 | 30 Apr 2002 | British | 70 years |
| Robert Alan Watts | Director | 30 Mar 1994 | 17 May 2002 | British | 80 years |
| Robin Gray | Director | 1 Jul 1995 | 31 Dec 1997 | British | 74 years |
| Roger Frank Postlethwaite | Director | 20 May 1992 | 26 Jan 1993 | British | 81 years |
| Roy Ellis | Director | 1 Aug 1994 | 31 Oct 1999 | British | 77 years |
| Roy Ellis | Secretary | 30 Sept 1994 | 31 Oct 1999 | British | - |
| Ryan Dirk Mangold | Director | 12 Jun 2009 | 20 Apr 2018 | South African And British | 54 years |
| Stephen Harvey Brazier | Director | 8 Jun 1992 | 3 Apr 2001 | British | 62 years |
| Stephen Roy Impey | Director | 15 Jul 2009 | 2 Jan 2015 | British | 68 years |
| William John Holland-kaye | Director | 2 Jul 2007 | 19 Sept 2007 | British | 60 years |
| William Reece Bidder | Secretary | 31 Oct 1999 | 1 Jul 2001 | British | - |
| William Robert Downie | Director | 4 Mar 1993 | 4 Jun 1997 | British | 75 years |