| Agustin Serrano Minchan | Director | 1 Aug 2009 | 11 Feb 2022 | Spanish | 67 years |
| Alan John Simpson | Director | 19 Dec 1991 | 27 Mar 1996 | British | 78 years |
| Alan Waterhouse | Secretary | 27 Jun 1997 | 27 Jul 2005 | British | - |
| Andrew Mark Ryan | Director | 1 Sept 2004 | 19 Dec 2011 | British | 72 years |
| Antony Frank Foster | Director | 2 Jan 2001 | 31 Jan 2003 | British | 75 years |
| Carol Jayne Nunn | Secretary | 20 Dec 2012 | 17 May 2019 | - | - |
| Caterina De Feo | Secretary | 1 Aug 2009 | 31 Aug 2010 | Italian | - |
| Christopher Boyes | Director | 20 Jun 1997 | 31 Aug 1998 | British | 70 years |
| Christopher John Ellis | Director | 27 Jun 2008 | 28 Nov 2013 | British | 60 years |
| Christopher Kentigern Welsh | Director | 15 Jan 1999 | 31 Jul 1999 | British | 69 years |
| Christopher Marthinus Cox | Director | 20 Nov 2002 | 31 Jul 2003 | British | 64 years |
| Christopher Marthinus Cox | Director | 1 Sept 2004 | 31 May 2007 | British | 64 years |
| Claire Favier Tilston | Secretary | 15 Dec 2006 | 10 Jan 2013 | British | - |
| David Michael Ellis | Director | 19 Dec 1991 | 15 Dec 1999 | British | 77 years |
| David Michael Ellis | Secretary | 19 Dec 1991 | 27 Mar 1996 | British | - |
| Georgina Violet Crowhurst | Secretary | 15 Oct 2019 | 28 Jan 2020 | - | - |
| Hugh Charles Etheridge | Director | 24 Sept 2001 | 31 Jul 2003 | British | 76 years |
| Ian David Dickinson | Director | 15 Dec 1999 | 31 Jul 2003 | British | 61 years |
| James Robert Gostick | Director | 19 Dec 1991 | 31 May 1997 | British | 89 years |
| James Robert Meredith | Director | 8 Sept 2003 | 27 Nov 2009 | British | 66 years |
| James Robert Wiegner | Director | 1 Sept 2004 | 20 Feb 2008 | British | 77 years |
| Jane Claire Downes | Secretary | 27 Mar 1996 | 27 Jun 1997 | British | - |
| John Michael Huntington | Director | 30 Sept 1999 | 4 Apr 2001 | British | 75 years |
| Jonathan Mark Bolton | Secretary | 27 Jul 2005 | 21 Oct 2008 | British | - |
| Joseph Thomas Major | Director | 13 Sept 2002 | 31 Jul 2003 | British | 66 years |
| Judith Amanda Wake | Director | 16 Oct 1992 | 27 Mar 1996 | British | 73 years |
| Keith Whittle | Director | 15 Dec 1999 | 21 Sept 2000 | British | 74 years |
| Kenneth Ian Auty | Secretary | 20 Dec 1996 | 27 Jun 1997 | British | - |
| Leslie James Davidson Cassells | Director | 15 Jan 2004 | 30 Nov 2009 | British | 72 years |
| Malcolm Robinson | Director | 1 Sept 2004 | 27 Jun 2008 | British | 67 years |
| Michael Gary Whittle | Director | 16 Nov 1993 | 14 Nov 1995 | British | 67 years |
| Nathu Ram Puri | Director | 16 Oct 1992 | 14 Oct 1994 | Indian | 87 years |
| Nigel David Wynne Taunt | Director | 27 Mar 1996 | 20 Jun 1997 | British | 73 years |
| Nigel Desmond Alexander Sandy | Director | 14 May 2001 | 31 Jul 2003 | British | 82 years |
| Paul David Wynn | Director | 27 Mar 1996 | 19 Mar 1998 | British | 72 years |
| Paul James Andrews | Director | 20 Feb 2008 | 9 Nov 2010 | British | 59 years |
| Paul Taylor | Director | 1 Dec 2009 | 1 Aug 2023 | British | 67 years |
| Phillip Wesley Burns | Director | 31 Jul 2003 | 30 Sept 2003 | British | 57 years |
| Quentin Richard Stewart | Director | 31 Jul 2003 | 30 Sept 2003 | British | 58 years |
| Robert David Lindsay Kelly | Director | 18 Jun 1998 | 10 Feb 1999 | Welsh | 67 years |
| Roderick Stuart Tomlinson | Director | 21 Nov 1997 | 31 Jul 2003 | British | 81 years |
| Ruth Catherine Prior | Director | 8 Sept 2003 | 15 Jan 2004 | British | 59 years |
| Samantha Jane Calder | Secretary | 27 Jul 2005 | 28 Sept 2006 | British | - |
| Stephen Nigel Jennings | Director | 13 Sept 2002 | 31 Jul 2003 | British | 64 years |
| Stephen Nigel Jennings | Director | 1 Sept 2004 | 11 Jun 2010 | British | 64 years |
| Steven Neville Hardman | Director | 9 Aug 2004 | 30 Apr 2008 | British | 58 years |
| Steven Neville Hardman | Secretary | 22 Jun 2004 | 16 Aug 2004 | British | - |
| Tarlochan Singh Kundi | Director | 1 Sept 2004 | 27 Apr 2005 | British | 63 years |
| Terence Henry Butler | Director | 21 Jun 1996 | 13 Dec 1996 | British | 92 years |
| Terence Victor Needham | Director | 22 Nov 1995 | 27 Mar 1996 | British | 83 years |
| Thomas Charles Andrew Diggle | Director | 27 Mar 1996 | 18 Jun 1998 | British | 65 years |
| Timothy Miles Henry Barnes | Director | 1 Sept 1998 | 30 Sept 1999 | British | 60 years |
| Vicente Federico Orts-llopis | Director | 1 Aug 2009 | 31 Jan 2024 | Spanish | 64 years |
| Victoria Bunton | Secretary | 26 Oct 2011 | 20 Dec 2012 | - | - |
| William Anthony Trendell | Director | 30 Sept 1999 | 24 Sept 2001 | British | 71 years |
| William Robert Warnett | Director | 18 Jun 1998 | 5 Mar 1999 | British | 70 years |