| Andrew Charles Edwards | Director | 23 Dec 1996 | 6 Jan 2000 | British | 67 years |
| Andrew John Pearce | Director | 30 Apr 1996 | 5 Nov 1999 | British | 81 years |
| Bharat Bhagwanzi Masrani | Director | 5 Nov 1999 | 18 Dec 2002 | British | 69 years |
| Caroline Jane Bradley | Director | 1 Oct 1998 | 1 Mar 2012 | British | 62 years |
| Caroline Jane Bradley | Secretary | 1 Oct 1998 | 5 Nov 1999 | British | - |
| Caroline Jane Bradley | Secretary | 26 Sept 2000 | 4 Aug 2003 | British | - |
| David Anderson | Director | 20 Mar 1991 | 5 Nov 1999 | British | 70 years |
| David William Sutherland | Director | 11 May 2012 | 30 Jul 2015 | British | 63 years |
| Derek Franklyn Roberts | Director | 20 Mar 1991 | 16 Jan 1992 | British | 83 years |
| Femi Sobo-allen | Secretary | 13 Jul 2011 | 24 Oct 2014 | - | - |
| Geoffrey Robert Roland | Director | 20 Mar 1991 | 10 Jan 1992 | British | 77 years |
| Ian Richard Hepworth | Director | 22 Sept 1993 | 11 Nov 1996 | British | 76 years |
| Ian Richard Hepworth | Secretary | 22 Sept 1993 | 11 Nov 1996 | British | - |
| Jack Verkruysse | Director | 5 Nov 1999 | 29 Jan 2001 | Dutch | 73 years |
| Jeffrey Atkinson | Director | 22 Sept 1993 | 5 Nov 1999 | British | 89 years |
| Jeffrey David Hunter Duvar | Director | 5 Nov 1999 | 3 Apr 2001 | British | 62 years |
| Jeffrey Lader | Secretary | 4 Aug 2003 | 13 Jul 2011 | British | - |
| John Edward Morris | Director | 20 Mar 1991 | 16 Jan 1992 | British | 103 years |
| John Richard Cottam White | Director | 5 Nov 1999 | 26 Sept 2000 | British | 71 years |
| John Richard Cottam White | Secretary | 5 Nov 1999 | 26 Sept 2000 | British | - |
| John Winston Tracy | Director | 25 Aug 2015 | 2 Jun 2017 | Canadian | 57 years |
| Julie Kathryn Hale | Director | 12 Aug 1996 | 1 Oct 1998 | British | 70 years |
| Julie Kathryn Hale | Secretary | 11 Nov 1996 | 1 Oct 1998 | British | - |
| Lise Marie Nancy Arnett | Director | 17 Feb 2000 | 5 Jan 2004 | Canadian | 68 years |
| Mark Richard Curle | Secretary | 27 Nov 2014 | 2 Jun 2017 | - | - |
| Paul John Masterson | Director | 11 May 2012 | 27 Aug 2015 | Canadian | 62 years |
| Philip Anthony Ireland | Director | 20 Mar 1991 | 22 Sept 1993 | British | 73 years |
| Philip Anthony Ireland | Director | 9 Dec 1996 | 30 Nov 2011 | British | 73 years |
| Philip Anthony Ireland | Secretary | 20 Mar 1991 | 22 Sept 1993 | British | - |
| Robert Bruce Jackson | Director | 22 Sept 1993 | 5 Nov 1999 | British | 74 years |
| Roger Leigh Arundale | Director | 20 Mar 1991 | 16 Jan 1992 | British | 82 years |
| Thomas Anthony Smith | Director | 22 Sept 1993 | 30 Apr 1996 | British | 87 years |
| Timothy John Betley | Director | 20 Mar 1991 | 16 Jan 1992 | British | 90 years |