| Andrew Paul Jobson | Director | 9 Jan 1992 | 31 Dec 1996 | British | 81 years |
| David George Rawdon Wansbrough | Director | 9 Jan 1992 | 3 Aug 1998 | British | 84 years |
| David Neil Bendel | Director | 6 Sept 1995 | 1 Sept 1997 | British | 71 years |
| Edward Frederick Sloan Thompson | Director | N/A | 24 Nov 1999 | Scottish | 74 years |
| Edward Frederick Sloan Thompson | Secretary | N/A | 24 Nov 1999 | Scottish | - |
| Ian Salkeld | Director | 9 Jan 1992 | 4 Feb 1994 | British | 71 years |
| James Simon Pollard | Director | 1 Jan 2000 | 31 Jul 2003 | British | 65 years |
| James Stewart | Director | 24 Jul 2001 | 28 Feb 2003 | British | 66 years |
| Janet Kim Brooks | Director | 1 Nov 1994 | 30 Sept 2007 | British | 64 years |
| John Martin Handley | Director | 1 Nov 1996 | 31 Dec 1998 | British | 64 years |
| John Michael Middlecott Banham | Director | 1 Jul 1992 | 25 Oct 1996 | British | 86 years |
| Jonathan Peter Baker | Director | 9 Jan 1992 | 30 Jun 2000 | British | 78 years |
| Kenneth William Landsberg | Director | 9 Jan 1992 | 31 Mar 2014 | British | 68 years |
| Martin Makey | Director | 9 Jan 1992 | 30 Sept 1998 | British | 74 years |
| Paul Scott Thomas | Director | 9 Jan 1992 | 28 Feb 2003 | British | 69 years |
| Roger Owen Hay | Director | 9 Jan 1992 | 31 Mar 1998 | British | 83 years |
| Sean Patrick Whelan | Director | 19 Feb 2008 | 14 Jul 2013 | Irish | 59 years |
| Stephen John Rodgers Dawson | Director | 9 Jan 1992 | 5 Aug 2003 | British | 80 years |
| Stephen John Tudge | Director | 14 May 1998 | 28 Feb 2003 | British | 61 years |
| Stephen John Tudge | Director | 5 Aug 2003 | 14 Jul 2014 | British | 61 years |
| Timothy David Raffle | Director | 1 Nov 1993 | 14 Jul 2014 | British | 64 years |