| Alan Julyan Maitland Gordon | Director | 28 Dec 1991 | 28 Feb 2002 | British | 84 years |
| Alexander Hamilton Dyce | Director | 13 Jun 2005 | 31 Oct 2005 | British | 74 years |
| Anthony Giles Spencer Gore Browne | Director | 28 Dec 1991 | 30 Jun 2000 | British | 81 years |
| Anthony Le Quesne Herbert | Director | 26 May 1992 | 31 May 1995 | British | 87 years |
| Brian Anthony Beverley | Director | 28 Dec 1991 | 27 Feb 1998 | British | 90 years |
| Brian Roberto Tora | Director | 15 Apr 1991 | 28 Feb 2002 | British | 80 years |
| Cary Allen Depel | Director | 13 May 2002 | 14 Mar 2003 | American | 62 years |
| Catherine Elizabeth Stratton | Director | 28 Dec 1991 | 15 Jul 1992 | British | 78 years |
| Charles Harold Brown | Director | 28 Dec 1991 | 28 Feb 2002 | British | 88 years |
| Christopher Aubrey Woodhams | Director | 28 Dec 1991 | 28 Feb 2002 | British | 81 years |
| Christopher Nigel Blatchly | Director | 19 Apr 2000 | 1 Aug 2000 | British | 67 years |
| Christopher Sibthorpe | Director | 28 Dec 1991 | 28 Feb 2002 | British | 80 years |
| Clement Douglas Halpin | Secretary | 28 Dec 1991 | 30 Mar 2001 | Irish | - |
| Clive Nicholas Boothman | Director | 4 Sept 2000 | 9 Aug 2001 | British | 70 years |
| Colin Edward Orpe Pakeman | Director | 28 Dec 1991 | 26 May 1992 | British | 77 years |
| David Francis Pearson | Director | 28 Dec 1991 | 28 Feb 2002 | British | 81 years |
| David Mark Storey | Director | 19 Apr 2000 | 18 Mar 2002 | British | 77 years |
| David Mclean Currie | Director | 1 Apr 2010 | 27 Jun 2013 | British | 54 years |
| David O'reilly Watts-russell | Director | 28 Dec 1991 | 28 Aug 1992 | British | 81 years |
| David Phillip Monks | Director | 17 Dec 2003 | 13 Jun 2005 | British | 65 years |
| David Thomas Richard Pearce | Director | 9 Mar 1994 | 31 Jan 1997 | British | 91 years |
| Denison George Moxon | Director | 26 May 1992 | 23 Jan 1998 | British | 83 years |
| Derek Sidney Row | Director | 28 Dec 1991 | 30 Mar 1998 | British | 91 years |
| Douglas Roland Garfield Abbey | Director | 28 Dec 1991 | 30 Jun 2000 | British | 81 years |
| Giles Edwin Vardey | Director | 1 Jul 1998 | 10 Mar 2000 | British | 69 years |
| Gordon Lawrence Adams | Director | 15 Apr 1991 | 28 Feb 2002 | British | 80 years |
| Graham Basil Ashley | Director | 28 Dec 1991 | 12 Jun 2001 | British | 78 years |
| Graham Peter Spence | Director | 28 Dec 1991 | 30 Apr 1999 | British | 84 years |
| Guy Wyndham Nial Hamilton Clark | Director | 28 Dec 1991 | 31 Aug 1997 | British | 82 years |
| Hugh Pettigrew Nash | Director | 1 Oct 1992 | 8 Oct 1999 | British | 82 years |
| Ian Nicholas Sutton | Secretary | 30 Mar 2001 | 24 Oct 2003 | British | - |
| Ian Richard Brice Perkins | Director | 9 Mar 1994 | 28 Feb 2002 | British | 76 years |
| Ian Robert Nairn | Director | 11 May 1993 | 11 May 1993 | British | 65 years |
| James Roberts Julyan | Director | 28 Jan 2002 | 12 Nov 2004 | British | 73 years |
| James William Morris | Director | 26 May 1992 | 28 Feb 2002 | British | 85 years |
| John Desmond Thomas Greenall | Director | 28 Dec 1991 | 10 Oct 1994 | British | 86 years |
| Jonathan Saul Sieff | Director | 28 Jan 2002 | 11 Apr 2003 | South African | 59 years |
| Lionel Wolfe Arbis | Director | 28 Dec 1991 | 2 Nov 1998 | British | 99 years |
| Marilyn Parker | Director | 28 Dec 1991 | 22 Aug 1997 | British | 88 years |
| Mark Anthony Kibblewhite | Director | 13 Jun 2005 | 1 Apr 2010 | British | 63 years |
| Mark Edward Trehearne Davies | Director | 4 Oct 1999 | 7 Apr 2001 | British | 77 years |
| Mark Norman Kemp Gee | Director | 28 Dec 1991 | 31 Aug 1999 | British | 80 years |
| Michael Archibald | Director | 19 Apr 2000 | 28 Apr 2003 | British | 75 years |
| Michael David Bradford | Director | 15 Apr 1991 | 28 Feb 2002 | British | 83 years |
| Michael John Read | Director | 28 Dec 1991 | 30 Sept 2000 | British | 82 years |
| Michael Paul Goodman | Director | 16 Dec 1991 | 13 Apr 2000 | British | 67 years |
| Michael Timothy Bolsover | Director | 28 Jan 2002 | 1 Dec 2004 | British | 72 years |
| Nicholas John Garnett | Director | 15 Sept 2010 | 22 Apr 2015 | British | 52 years |
| Norman Frederick Andrews | Director | 28 Dec 1991 | 30 Jun 1998 | British | 87 years |
| Paul K Schminke | Director | 28 Dec 1991 | 14 Dec 1998 | German | 81 years |
| Peter Barry Dravers | Director | 4 Jan 1993 | 19 Oct 1998 | British | 81 years |
| Peter Colum Tudball | Director | 28 Dec 1991 | 28 Feb 1999 | British | 92 years |
| Richard Oliver Bernays | Director | 19 Apr 2000 | 30 Sept 2000 | British | 82 years |
| Robert Arthur Newton Waters | Director | 28 Dec 1991 | 25 Apr 1997 | British | 80 years |
| Robert Mark Sherriff | Director | 28 Dec 1991 | 31 Mar 1999 | British | 89 years |
| Robert Paul Stockton | Director | 17 Dec 2001 | 1 Jul 2005 | British | 60 years |
| Robert Paulin Clinton | Director | 28 Dec 1991 | 5 Apr 2000 | British | 84 years |
| Simon Harold John Arthur Knott | Director | 28 Dec 1991 | 31 Jul 1994 | British | 94 years |
| Simon John Bradley Knott | Director | 28 Dec 1991 | 27 Jun 1997 | British | 67 years |
| Simon John Weld | Director | 1 Apr 2010 | 1 Sept 2010 | British | 61 years |
| Stanley Livingston Vinter | Director | 28 Dec 1991 | 28 Feb 2003 | British | 82 years |
| Stephen Clark | Director | 4 Oct 1999 | 17 Oct 2003 | British | 77 years |
| Stephen Roy Slocombe | Secretary | 24 Oct 2003 | 1 Sept 2005 | British | - |
| Stephen William Quaile | Director | 19 Apr 2000 | 28 Feb 2002 | British | 62 years |
| Timothy May | Director | 1 Mar 2002 | 7 Apr 2004 | British | 73 years |
| Valerie Margaret Marshall | Director | 28 Dec 1991 | 30 Jun 2000 | British | 80 years |