| Andrew Skinner Young | Director | 1 Feb 1993 | 4 Jan 2002 | British | 80 years |
| Anthony Wilfrid Jukes | Director | 2 Oct 2007 | 26 Mar 2009 | British | 83 years |
| Arnold Quinney Hitchcock | Director | 1 Nov 1995 | 21 Oct 1998 | British | 92 years |
| Austin Thomas Reilly | Director | 17 Feb 2000 | 30 Nov 2000 | British | 80 years |
| Brian Cairns Wicks | Director | 1 Feb 1993 | 1 Nov 1995 | British | 92 years |
| Charles Peter Beighton | Director | 16 Oct 2014 | 14 Feb 2023 | British | 63 years |
| Charles Richard Percy | Director | 25 Nov 2003 | 2 Oct 2007 | British | 73 years |
| Christopher Maple | Director | 1 Feb 1993 | 5 Feb 1993 | United Kingdom | 83 years |
| Christopher Michael Adams | Director | 19 Aug 2016 | 22 Nov 2019 | British | 44 years |
| Christopher Roger Halliwell | Director | 1 Feb 1993 | 2 May 1995 | British | 71 years |
| Christopher Sutton | Director | 1 Sept 2010 | 21 Sept 2015 | British | 68 years |
| Colin Keith Wrigley | Director | 27 Nov 2002 | 31 Dec 2003 | British | 68 years |
| David Alexander Taylor | Director | 23 Jun 2004 | 20 Jun 2007 | British | 70 years |
| David Dermot Hennessey | Secretary | 24 Sept 2016 | 4 Dec 2019 | - | - |
| David Scott Campbell | Director | 14 Jan 1997 | 31 Mar 2010 | British | 71 years |
| Derek Frank Tigwell | Director | 1 Feb 1993 | 21 Oct 1998 | British | 83 years |
| Gary John Duggan | Director | 14 Jan 1997 | 30 Nov 1999 | British | 65 years |
| Gary John Egerton | Director | 15 Mar 2006 | 21 Sept 2007 | British | 60 years |
| Gordon Johnston | Director | 1 Sept 1995 | 5 Mar 2004 | British | 80 years |
| Ian Scott Geden | Director | 21 Oct 1998 | 22 Jun 2004 | British | 73 years |
| John Michael Morrissey | Director | 11 Jun 2009 | 31 Aug 2010 | British | 65 years |
| Kim Arif | Director | 7 Sept 2001 | 23 Apr 2018 | British | 66 years |
| Leigh John Shackleton | Director | 1 Feb 1994 | 1 Sept 1995 | British | 70 years |
| Leigh John Shackleton | Director | 23 Jun 2004 | 8 Aug 2014 | British | 70 years |
| Lindsay John Town | Director | 20 Jan 2004 | 21 Jan 2004 | British | 72 years |
| Manser Andrew Hylton | Director | 30 Nov 2000 | 26 Nov 2002 | British | 74 years |
| Mark Patrick Tinsley | Director | 2 Oct 2007 | 30 Sept 2009 | British | 76 years |
| Michael Brent Fletcher | Director | 2 May 1995 | 28 Jul 1995 | British | 73 years |
| Michael John David Griffiths | Director | 13 Jun 2011 | 19 Dec 2015 | British | 77 years |
| Nicholas Carter | Director | 1 Feb 1993 | 6 Sept 2001 | British | 81 years |
| Nicholas Ross Evans | Director | 1 Feb 1993 | 29 Oct 2000 | British | 63 years |
| Nigel David Bryan | Director | 21 Jan 2019 | 19 Dec 2023 | British | 52 years |
| Paul Gittins | Secretary | 1 Jun 2000 | 24 Sept 2016 | British | - |
| Peter James Gooden | Director | 20 Jun 2007 | 30 Sept 2009 | British | 72 years |
| Philip James Han | Director | 30 Nov 1999 | 12 Nov 2003 | British | 64 years |
| Raymond Nixon | Secretary | 1 Feb 1993 | 31 May 2000 | British | - |
| Richard Andrew Jones | Director | 21 Sept 2015 | 28 Oct 2022 | British | 54 years |
| Richard William Alexander Richardson | Director | 30 Nov 2000 | 31 May 2004 | British | 74 years |
| Robert Anthony Deacon | Director | 1 Feb 1993 | 1 Feb 1994 | British | 83 years |
| Robert Brown Hare | Director | 30 Nov 1999 | 30 Nov 2000 | British | 66 years |
| Robert Newton | Director | 4 Jan 2002 | 27 Nov 2002 | British | 76 years |
| Roy Littler | Director | 1 Feb 1993 | 18 Nov 1999 | British | 85 years |
| Roy Littler | Director | 30 Nov 1999 | 17 Feb 2000 | British | 85 years |
| Sian Elizabeth Johns | Director | 14 Feb 2023 | 19 Dec 2023 | British | 48 years |
| Steven David Russell Chessman | Director | 31 Mar 2010 | 28 Feb 2011 | British | 63 years |
| Thomas Costello | Director | 1 Feb 1993 | 30 Nov 1999 | British | 76 years |
| William Gordon Barclay | Director | 30 Nov 2000 | 27 Nov 2002 | British | 79 years |
| William Woodhouse Madders | Director | 21 Oct 1998 | 25 Nov 2003 | British | 88 years |