| Alasdair Hodge | Director | 31 Jul 2002 | 1 Sept 2008 | British | 61 years |
| Andrew Paul Tweed | Director | 20 Sept 1992 | 12 Oct 1998 | British | 77 years |
| Andrew Thomas Karl Westenberger | Director | 26 May 2005 | 22 Sept 2005 | British | 59 years |
| Barcosec Limited | Corporate Director | 11 Apr 1997 | 27 Apr 2004 | United Kingdom | - |
| Barometers Limited | Corporate Director | 11 Apr 1997 | 27 Apr 2004 | United Kingdom | - |
| Christopher Andrew Barley | Director | 20 Dec 1993 | 22 Sept 1995 | British | 74 years |
| Christopher Stephen Mason Pugh | Director | 22 Jul 1996 | 17 Sept 1998 | British | 66 years |
| David Hugh Newton | Director | 20 Sept 1992 | 31 Jul 2002 | British | 72 years |
| Euan Joseph George Harkness | Director | 20 Sept 1992 | 31 Jul 2002 | British And New Zealander | 76 years |
| Gregory Gil Quental | Director | 6 Apr 1998 | 31 May 1999 | British | 66 years |
| Helen Gordon | Director | 13 Aug 2012 | 4 Oct 2013 | British | 49 years |
| Ian Craig Whyte | Secretary | 1 Nov 1995 | 6 Oct 1998 | British | - |
| James Abbott | Director | 10 Aug 2009 | 27 Jul 2011 | American | 67 years |
| James Anthony Smith | Director | 20 Sept 1992 | 17 Feb 1997 | British | 73 years |
| John Edmund Mernagh | Director | 20 Sept 1992 | 21 Mar 1997 | British | 73 years |
| John Maurice Standeven | Director | 20 Sept 1992 | 9 Dec 1993 | British | 69 years |
| John Neville Eldredge | Director | 6 Apr 1998 | 22 Mar 1999 | Australian | 74 years |
| Jonathan Richard Davie | Director | 20 Sept 1992 | 1 Oct 1996 | British | 79 years |
| Lynn David Charles Dukes | Director | 15 Oct 1993 | 21 Oct 1996 | British | 76 years |
| Michael Blackburn | Director | 31 Jul 2002 | 20 Apr 2005 | British | 61 years |
| Michael Joseph Keegan | Director | 6 Apr 1998 | 19 Jan 2001 | American | 69 years |
| Naguib Kheraj | Director | 6 Apr 1998 | 12 Dec 2001 | British | 61 years |
| Niamh Geraldine Lane | Director | 13 Aug 2012 | 12 Jun 2013 | Irish | 55 years |
| Paul Anthony Redman | Director | 10 Aug 2011 | 1 Jul 2013 | British | 51 years |
| Peter Douglas Eric Fenner | Director | 31 Jul 2002 | 21 Sept 2012 | British | 63 years |
| Robert Napier Thorne | Director | 20 Sept 1992 | 17 Sept 1998 | British | 66 years |
| Robin Maxwell John Bowie | Director | 20 Sept 1992 | 4 Jun 1995 | British | 64 years |
| Stephen John Raymond Rumsey | Director | 20 Sept 1992 | 26 May 1993 | British | 75 years |
| Stephen Man Gwen Li | Director | 4 Oct 2013 | 23 Jun 2016 | British | 57 years |
| Stephen Paul Tucker | Director | 8 Aug 1994 | 31 Jul 2002 | British | 64 years |
| Thomas Grimes | Director | 20 Sept 1992 | 3 Jun 1998 | British | 83 years |
| Trevor John Powell Hart | Secretary | 20 Sept 1992 | 1 Nov 1995 | British | - |