| Brian Carney | Director | 1 Apr 2000 | 30 Dec 2002 | British | 69 years |
| Carl Thomas Senior | Director | 25 Jan 2012 | 19 Jun 2012 | British | 47 years |
| Christopher Raymond Kell | Director | 30 Dec 2002 | 26 Jul 2004 | British | 67 years |
| Crispin Robert John Irvin | Director | 22 Mar 2017 | 28 Jul 2022 | British | 47 years |
| David Harry Mead | Director | 31 Oct 2003 | 29 Jun 2007 | British | 64 years |
| David John Cavanna | Director | 24 Jul 2013 | 31 Dec 2015 | British | 58 years |
| David William Gilman | Director | 6 May 1992 | 31 Oct 2003 | British | 73 years |
| Desmond Richard Turner | Director | 26 Jul 2004 | 20 Jun 2013 | British | 65 years |
| Edward Paul Lester | Director | 6 May 1992 | 29 Apr 1994 | British | 75 years |
| Fiona Ann Barker | Director | 4 Jun 2010 | 13 Mar 2013 | British | 59 years |
| Frances Julie Niven | Secretary | 11 Jun 2004 | 25 Apr 2006 | British | - |
| Gareth Owen Conway | Director | 14 Mar 2005 | 6 Dec 2019 | British | 59 years |
| Geoffrey William Evans | Director | 6 May 1992 | 16 Mar 1998 | British | 75 years |
| George William Bayer | Secretary | 11 Feb 2008 | 12 Sept 2008 | Other | - |
| Graham Edward Picken | Director | 6 May 1992 | 14 Jul 2003 | British | 76 years |
| Gregory Martin Lawn | Director | 3 Mar 2021 | 13 May 2022 | New Zealander | 47 years |
| Hollie Rheanna Wood | Secretary | 14 Dec 2011 | 24 Jul 2013 | - | - |
| Ian James Browne | Director | 1 Mar 1994 | 4 Apr 1995 | British | 79 years |
| Ian Robert Leech | Director | 6 May 1992 | 1 Apr 1993 | British | 65 years |
| Jaya Subramaniyan | Director | 18 Mar 2013 | 1 Dec 2020 | Malaysian | 63 years |
| John Hume Mckenzie | Secretary | 6 May 1992 | 1 Jul 2001 | British | - |
| John Richard Kent | Director | 6 Dec 2012 | 31 May 2017 | British | 55 years |
| Katherine Dean | Secretary | 24 Jul 2013 | 6 Jul 2015 | - | - |
| Keith Victor Smithson | Director | 1 Apr 1997 | 30 Jul 1999 | Irish | 63 years |
| Kevin Alan Singleton | Director | 12 Feb 2007 | 30 Nov 2011 | British | 69 years |
| Mark Vivian Pearce | Secretary | 15 Nov 2002 | 11 Jun 2004 | British | - |
| Mary Bridget Kenny | Director | 29 Jun 2007 | 3 Dec 2008 | British | 60 years |
| Michael Connelly Anderson | Director | 16 Dec 2015 | 22 Mar 2017 | British | 63 years |
| Nigel John Lewis Wilkinson | Director | 30 Sept 2003 | 14 Mar 2005 | British | 67 years |
| Noel Paul Quinn | Director | 1 Apr 1997 | 31 Mar 2000 | British | 63 years |
| Paul Jonathan Spencer | Director | 14 Apr 2009 | 4 Jun 2010 | British | 55 years |
| Pauline Louise Mcquillan | Secretary | 25 Apr 2006 | 11 Feb 2008 | British | - |
| Peter Colin Aldridge | Director | 3 May 1994 | 14 Apr 1997 | British | 69 years |
| Robert David Lane | Director | 30 Dec 2002 | 26 Jul 2004 | British | 66 years |
| Robert Hugh Musgrove | Secretary | 1 Jul 2001 | 15 Nov 2002 | Other | - |
| Robin Louis Henning Bencard | Director | 14 Mar 2005 | 1 Aug 2016 | British | 62 years |
| Romana Lewis | Secretary | 6 Jul 2015 | 1 Dec 2017 | - | - |
| Sarah Caroline Gott | Secretary | 1 Oct 2008 | 14 Dec 2011 | British | - |
| Simon Einar Long | Director | 15 Mar 2016 | 1 Oct 2020 | British | 51 years |
| Timothy Victor Holmes | Director | 1 Apr 1997 | 30 Dec 2002 | British | 73 years |
| Vivek Karda | Secretary | 3 Mar 2021 | 29 Mar 2022 | - | - |
| Wallace George William Stein | Director | 1 Apr 1997 | 31 Mar 2000 | British | 73 years |
| William Frederick Devenish | Director | 14 Apr 1997 | 30 Dec 2002 | British | 75 years |