| Adam Erskine | Secretary | 18 Jun 1992 | 9 Dec 1994 | British | - |
| Adrian Paige Westwood Bromley | Director | 1 May 1994 | 30 Apr 2001 | British | 81 years |
| Alan George Spall | Director | 18 Jun 1992 | 31 Jul 1994 | British | 82 years |
| Alexander Hill Frederick | Director | 1 Aug 1993 | 31 Mar 1994 | British | 82 years |
| Alfred James Friston | Director | 18 Jun 1992 | 18 Mar 2010 | British | 74 years |
| Amanda Jane Hullick | Director | 1 Jul 2001 | 23 Nov 2001 | Australian | 61 years |
| Andrew Shuttleworth | Director | 1 Aug 1994 | 31 Dec 1999 | British | 77 years |
| Anne Marie Sturgeon | Director | 28 Aug 2002 | 31 Dec 2002 | British | 71 years |
| Anthony Thomas George Rodgers | Director | 1 Aug 1993 | 31 Mar 1994 | British | 86 years |
| Bernard Cyril Campbell | Director | 18 Jun 1992 | 31 Jul 1994 | British | 94 years |
| Brian Gallagher | Director | 10 May 1995 | 31 Dec 2000 | British | 70 years |
| Brian Graham Lacey Hewitt | Director | 17 Apr 2001 | 31 Dec 2002 | British | 79 years |
| Brian James Bunt | Director | 13 Jan 1998 | 30 Apr 2013 | British | 91 years |
| Charles Anthony Amos | Secretary | 15 Jan 2002 | 30 Jun 2008 | British | - |
| Colin John Ravenhill | Director | 18 Jun 1992 | 28 Mar 1993 | British | 88 years |
| David Arthur Searles | Director | 1 Aug 1994 | 18 Jan 1999 | British | 78 years |
| David John Gee | Director | 1 Sept 2000 | 31 Mar 2022 | British | 79 years |
| David John Loose | Director | 1 Jun 2001 | 15 Feb 2007 | British | 78 years |
| David John Loose | Director | 19 Mar 2009 | 21 Mar 2019 | British | 78 years |
| Derek Alexander Watret | Director | 1 Sept 1992 | 1 Feb 1998 | British | 78 years |
| Derek Walter Welch | Director | 10 Jul 2009 | 31 Mar 2023 | British | 82 years |
| Frank Whiteley | Director | 18 Jun 1992 | 31 Mar 1994 | British | 96 years |
| Frederick Philp Gray | Director | 30 Mar 2007 | 30 Mar 2017 | British | 82 years |
| George Kennedy | Director | 17 Apr 2001 | 2 Sept 2001 | British | 69 years |
| Graham Hugh Gully | Director | 18 Jun 1992 | 30 Jun 1992 | British | 89 years |
| Harry Birkner | Director | 4 Jan 1999 | 7 Oct 1999 | British | 75 years |
| Hugh Montgomery Donaldson | Director | 18 Jun 1992 | 31 Mar 1994 | British | 85 years |
| Hugh Palmer Nicholson | Secretary | 10 Dec 1994 | 1 Oct 1999 | British | - |
| Hugh Robert Arthur Brown | Director | 1 Sept 1992 | 30 Jun 2001 | British | 84 years |
| Ian Clark | Director | 1 Feb 2002 | 15 Jul 2005 | British | 76 years |
| Ian Mark Long | Director | 21 Feb 2000 | 10 Jan 2001 | British | 60 years |
| Ian Nicholas Canham | Director | 19 Jul 2005 | 19 Jul 2025 | British | 62 years |
| James Forbes Henderson Park | Director | 18 Jun 1992 | 31 Mar 1994 | British | 85 years |
| John Anthony Fionda | Director | 15 Jan 2001 | 1 Sept 2006 | British | 75 years |
| John David Wright | Director | 18 Jun 1992 | 31 Mar 1994 | British | 86 years |
| John Henry Fitzpatrick | Director | 8 Jun 1998 | 31 Dec 1998 | British | 84 years |
| John Henry Fitzpatrick | Director | 14 Jul 2006 | 30 Mar 2017 | British | 84 years |
| John Hernaman Allen | Director | 18 Jun 1992 | 31 Mar 1994 | British | 88 years |
| John Hunter | Director | 26 Jul 2007 | 30 Jun 2008 | British | 60 years |
| John Ingles Watt | Director | 3 Apr 1996 | 31 Mar 1997 | British | 79 years |
| Kevin Robert January | Director | 21 May 1999 | 31 May 2016 | British | 67 years |
| Mark Richardson | Director | 8 Jun 1998 | 1 Jan 1999 | British | 67 years |
| Michael Charles Swift | Director | 18 Jun 1992 | 31 Mar 1993 | British | 95 years |
| Moira Lydia Rugg | Director | 1 May 2013 | 2 May 2018 | British | 72 years |
| Nicholas John Cooke | Secretary | 1 Oct 1999 | 15 Jan 2002 | British | - |
| Norman Lyle | Director | 1 Aug 1993 | 31 Mar 1994 | British | 79 years |
| Patrick Michael Meaney | Director | 18 Jun 1992 | 16 Jul 1992 | British | 101 years |
| Paul Joseph Drechsler | Director | 1 Jul 2000 | 9 Jul 2003 | Irish | 70 years |
| Peter Nigel Clark | Director | 18 Jun 1992 | 3 Apr 1996 | British | 87 years |
| Philip John Gillett | Director | 22 Jul 2003 | 4 Dec 2006 | British | 75 years |
| Raymond John Martin | Director | 1 Aug 1993 | 31 Mar 1994 | British | 65 years |
| Richard Nathan Stillwell | Director | 31 Mar 1997 | 31 Aug 2000 | British | 77 years |
| Robert Coxon | Director | 1 Jun 2001 | 31 Dec 2002 | British | 79 years |
| Robert Ian Davies | Director | 18 Jun 1992 | 24 Mar 1998 | British | 78 years |
| Robert John Margetts | Director | 30 Oct 1992 | 30 Jun 2000 | British | 80 years |
| Robert John Peters | Director | 31 Dec 1995 | 14 Apr 2000 | British | 78 years |
| Robert Pavel Ludovit Viliam Taubinger | Director | 1 Jul 1997 | 14 Jul 2006 | British | 95 years |
| Robert Wylie | Director | 15 Nov 1999 | 31 Dec 2002 | British | 75 years |
| Rona Alison Fairhead | Director | 19 Jan 1999 | 11 Apr 2001 | British | 65 years |
| Sandra Bennett | Director | 18 Jun 1992 | 15 May 1998 | British | 77 years |
| Susan Kinnaird | Director | 1 Apr 2017 | 31 Mar 2022 | British | 65 years |
| Timothy James Hampton | Director | 14 Feb 2007 | 11 Dec 2008 | British | 69 years |
| Timothy Paul Seden | Director | 18 Jun 1992 | 31 Mar 1994 | British | 85 years |
| Trevor Wing | Director | 8 Jun 1998 | 28 Feb 2001 | British | 75 years |
| Victor Oscar White | Director | 18 Jun 1992 | 31 Dec 1995 | British | 90 years |
| William John Sandwell | Director | 18 Jun 1992 | 31 Aug 1994 | British | 80 years |
| William John Sandwell | Director | 1 Jul 1997 | 8 Sept 1997 | British | 80 years |