| Ann Dolores O'connor Mills | Director | 22 Nov 1996 | 30 Nov 1998 | Us Citizen | 62 years |
| Annette Austin | Director | 1 Oct 2009 | 10 Feb 2011 | Australian | 68 years |
| Bret Shane Woudstra | Director | 24 Jul 2013 | 13 Nov 2015 | British | 64 years |
| Charles Duncan Beeson Atkinson | Director | 22 Jun 2001 | 8 Mar 2002 | British | 63 years |
| David Derek Deane | Director | 6 May 2003 | 31 Mar 2006 | British | 59 years |
| Eric John Rovick | Director | 28 Jul 2003 | 4 Feb 2006 | American | 58 years |
| Franciscus Josephus Stephanus Maria Verhees | Director | 20 Feb 1995 | 27 Sept 1996 | Dutch | 65 years |
| Frank William Mckirgan | Director | 17 Jan 2012 | 11 Sept 2012 | British | 64 years |
| Gary Alan Wolens | Director | 22 Nov 1996 | 27 Apr 2000 | American | 73 years |
| Gary James Paterson | Director | 1 Jul 1998 | 25 Jun 2001 | British | 62 years |
| Geoffrey Alan Houston | Director | 22 Feb 1999 | 25 Jun 2001 | British | 68 years |
| Giles Edwin Thomas Fitzpatrick | Director | 1 Mar 1993 | 25 Jun 2001 | British | 64 years |
| Giles Edwin Thomas Fitzpatrick | Director | 1 Mar 2002 | 30 Nov 2004 | British | 64 years |
| Hamish Richmond Dickson | Director | 29 Apr 2002 | 2 Apr 2004 | British | 62 years |
| Jenny Stevinson | Secretary | 1 Mar 1993 | 21 Mar 2002 | British | - |
| Joanna Darlington | Director | 20 Feb 1995 | 28 Nov 1997 | British | 64 years |
| Julia Frances Barnes | Director | 16 Jan 1996 | 7 Mar 1997 | British | 65 years |
| Katherine Liza Antoinetta Fernandes | Secretary | 1 Mar 1993 | 31 Aug 2014 | British | - |
| Malcolm Watt Brown | Director | 20 Feb 1995 | 11 Nov 1996 | British | 64 years |
| Manjinder Singh Chahal | Director | 13 Nov 2015 | 9 Jun 2017 | English | 56 years |
| Mark Finlay Brown | Director | 20 Feb 1995 | 5 Apr 2000 | British | 62 years |
| Martin Ronald Smith | Director | 1 Mar 1993 | 19 Oct 1994 | British | 69 years |
| Neil William Kirton | Director | 20 Feb 1995 | 25 Jun 2001 | British | 62 years |
| Nicholas Andrew Greaves | Director | 27 Apr 2000 | 16 Jul 2001 | British | 73 years |
| Nicholas Andrew Greaves | Director | 6 May 2003 | 13 Oct 2009 | British | 73 years |
| Nicholas William Ayrton Bannister | Director | 7 Mar 1994 | 1 Jul 1997 | British | 66 years |
| Nicholas William Ayrton Bannister | Director | 22 Feb 1999 | 25 Jun 2001 | British | 66 years |
| Nigel Gerald Hugh-smith | Director | 1 Mar 1993 | 20 Feb 1995 | British | 72 years |
| Nigel Gerald Hugh-smith | Director | 22 Nov 1996 | 22 Feb 1999 | British | 72 years |
| Peter Andrew Greenwood | Director | 1 Mar 1993 | 20 Feb 1995 | British | 70 years |
| Ralph Charles Hely-hutchinson | Director | 16 Jan 1996 | 30 Mar 1999 | British | 64 years |
| Richard Anthony Rae | Director | 22 Jun 2001 | 22 Jun 2009 | British | 66 years |
| Richard John Lawrence | Director | 1 Oct 2009 | 27 Jan 2012 | British | 53 years |
| Robert John Benton | Director | 22 Nov 1996 | 6 Aug 1998 | British | 68 years |
| Rupert Comelius Henson | Director | 29 Apr 2002 | 28 Nov 2005 | British | 63 years |
| Sean Christopher Nigel Baguley | Director | 1 Mar 1993 | 1 Mar 1995 | British | 78 years |
| Simon John Clegg | Director | 1 Mar 1993 | 31 Dec 1996 | British | 68 years |
| Simon John Mould | Director | 27 Jan 2012 | 24 Jul 2013 | British | 65 years |
| Simon Nevill Wetton | Director | 20 Feb 1995 | 6 Jun 1995 | British | 61 years |
| Stale Rodahl | Director | 22 Feb 1999 | 31 Aug 1999 | Norwegian | 61 years |
| Stefano Antonio Mazzola | Director | 1 Mar 1993 | 1 Nov 1994 | British | 70 years |
| Stephen Robert Charles Davies | Director | 21 Jun 1993 | 20 Feb 1995 | British | 78 years |
| Timothy James Boyce | Director | 22 Jun 2001 | 1 Aug 2005 | British | 70 years |
| Vincent James Walsh | Director | 22 Jun 2001 | 17 Jan 2012 | British | 64 years |
| William James Smith | Director | 5 Apr 2000 | 31 Jan 2002 | British | 71 years |