| Alan John Secker | Director | 16 Feb 1995 | 10 Feb 1998 | British | 98 years |
| Alexander Mark Butcher | Director | 28 Nov 2013 | 23 Jun 2017 | British | 68 years |
| Andrew John Warne | Director | 18 Dec 2015 | 23 Jun 2017 | British | 64 years |
| Andrew John Warne | Director | 15 Aug 2002 | 12 Jan 2016 | British | 64 years |
| Andrew Rodney Dare | Director | 22 Sept 1992 | 11 Aug 1994 | British | 84 years |
| Anthony John Gatley | Director | 15 Oct 2002 | 22 Aug 2005 | British | 71 years |
| Barry David Hadley | Director | 4 Sept 1991 | 30 Sept 2003 | British | 84 years |
| Benjamin Brownie Kent | Director | 4 Sept 1991 | 10 Dec 1997 | British | 90 years |
| Catherine Glickman | Director | 29 Nov 2012 | 7 Jun 2017 | British | 69 years |
| Charles David Runge | Director | 4 Sept 1991 | 30 Nov 1991 | British | 82 years |
| Christopher Johann Melchers | Director | 26 Feb 1992 | 28 Nov 2013 | British | 90 years |
| Clive John Rendall | Director | 4 Sept 1991 | 18 Dec 1991 | British | 94 years |
| Colin Charles Hartridge- Price | Secretary | 4 Sept 1991 | 31 Jan 1996 | British | - |
| David Anthony James Williams | Director | 22 May 2009 | 20 Apr 2012 | British | 62 years |
| David Cowen Pearson | Director | 8 Sept 2011 | 22 Oct 2012 | British | 60 years |
| David Francis Chadwick Mann | Director | 4 Sept 1991 | 22 Sept 1992 | British | 102 years |
| David Geoffrey Lewis | Director | 8 May 2002 | 25 May 2005 | British | 75 years |
| David John Rive | Director | 25 Oct 1991 | 24 Feb 2000 | British | 91 years |
| David Rodney Lewis | Director | 31 Oct 1991 | 11 Aug 1994 | British | 90 years |
| David Whittaker | Director | 10 Dec 1997 | 6 Aug 2002 | British | 73 years |
| Derek Henry Andrews | Director | 23 Mar 2000 | 15 Jun 2001 | British | 93 years |
| Fergus John Carlyle | Director | 20 Dec 2005 | 31 May 2010 | British | 64 years |
| Fergus John Carlyle | Director | 30 Nov 2010 | 30 Nov 2013 | British | 64 years |
| Francis Hall | Secretary | 25 May 2001 | 25 Feb 2002 | British | - |
| Geoffrey Bar | Director | 4 Sept 1991 | 31 Oct 1991 | British | 97 years |
| George Howie Wright | Director | 4 Sept 1991 | 5 Jul 2013 | British | 94 years |
| Hamish Ian Smith | Director | 31 May 2007 | 15 Aug 2013 | British | 83 years |
| Ian Brian Farrelly | Director | 21 Nov 2006 | 12 Apr 2013 | British | 58 years |
| Ian Clive Redington | Director | 13 Jan 2000 | 1 May 2002 | British | 78 years |
| Ian Clive Redington | Secretary | 1 Feb 1996 | 30 Jun 1997 | British | - |
| Ian Sinclair Watson | Director | 18 Jan 1995 | 13 Jan 2000 | British | 82 years |
| Ihab Ahmed | Director | 21 May 2013 | 1 May 2025 | British | 58 years |
| James Cridland Fogaty | Director | 19 May 1994 | 13 Apr 1997 | British | 94 years |
| Janice Moffet | Director | 31 May 2007 | 15 Apr 2008 | British | 71 years |
| John Norman Sherwood | Director | 18 Nov 2004 | 25 Nov 2004 | British | 80 years |
| John Norman Sherwood | Director | 23 Mar 2005 | 1 Apr 2005 | British | 80 years |
| John Norman Sherwood | Director | 28 Jun 2007 | 20 Aug 2013 | British | 80 years |
| John Pheasey | Director | 1 Jun 1994 | 12 Dec 2000 | British | 83 years |
| Keith Victor Hathaway | Secretary | 11 Jun 1998 | 18 Feb 2001 | British | - |
| Lawrence David Fairall | Director | 20 Oct 2000 | 24 May 2001 | British | 82 years |
| Mark John Roberts | Director | 7 Jun 2017 | 7 Mar 2024 | British | 52 years |
| Michael Curig Roberts | Director | 12 Dec 2000 | 25 Jul 2003 | British | 88 years |
| Michael Edward Bessey | Director | 5 Mar 1998 | 5 Jul 2012 | British | 94 years |
| Michael John Milburne Davey | Director | 4 Sept 1991 | 6 Jan 1994 | British | 88 years |
| Michael Laurence Hicks | Director | 18 Dec 1991 | 31 May 1994 | British | 71 years |
| Michael Paul Maitland | Director | 21 May 2013 | 9 Sept 2015 | British | 68 years |
| Owen Matthew Shearer | Director | 26 Nov 2015 | 30 Sept 2017 | British | 56 years |
| Paul Antony Smith | Director | 28 Jun 2007 | 26 Mar 2009 | British | 70 years |
| Paul Richard Nunn | Director | 19 Feb 2001 | 1 Jul 2002 | British | 58 years |
| Paul William Beswick | Secretary | 1 Jul 1996 | 11 Jun 1998 | British | - |
| Pauline Doris Russell | Director | 4 Sept 1991 | 10 Jan 1994 | British | 78 years |
| Richard James Thornton | Secretary | 25 Feb 2002 | 31 Mar 2021 | British | - |
| Robert Graham Ellis | Director | 5 Jan 2004 | 31 Jan 2009 | British | 80 years |
| Robert Henry Richardson | Director | 12 Jun 1997 | 31 May 2007 | British | 72 years |
| Robert Henry Richardson | Director | 30 Nov 2010 | 2 Mar 2023 | British | 72 years |
| Robert James Holliday | Director | 25 Oct 2005 | 11 Sept 2012 | British | 71 years |
| Robert Stevenson Steven | Director | 4 Sept 1991 | 18 Jan 1995 | British | 101 years |
| Robin Barry Hingston Turner | Director | 3 Nov 1994 | 13 Dec 2000 | British | 69 years |
| Stephen John Amies | Director | 25 May 2001 | 4 Oct 2005 | British | 76 years |
| Susan Elizabeth Kilpatrick | Director | 4 Sept 1991 | 25 Oct 1991 | British | 88 years |
| Thomas John Kelly | Director | 11 Aug 1994 | 19 Oct 2000 | British | 86 years |
| Thomas John Kelly | Director | 11 Sept 2012 | 11 Sept 2020 | British | 86 years |
| Thomas Neville | Director | 18 Jan 1995 | 11 Sept 1997 | British | 95 years |
| Thomas Philip Acton | Director | 11 Sept 1997 | 4 Oct 2005 | British | 68 years |