| Christopher Owen Milson | Director | 15 Sept 2003 | 17 Jun 2004 | British | 75 years |
| Christopher Smith | Secretary | 1 Mar 1999 | 30 Dec 2000 | British | - |
| Colin Archibald Dickie | Director | 23 Sept 2004 | 15 Oct 2007 | British | 64 years |
| David Holcroft | Director | 3 Apr 1997 | 20 Sept 2004 | British | 79 years |
| David Martin Dalton-brown | Director | 2 Sept 2010 | 31 Mar 2013 | British | 66 years |
| David Martin Dalton-brown | Director | 23 May 2013 | 31 Jul 2015 | British | 66 years |
| David Simpson | Director | 25 Feb 2008 | 19 Aug 2010 | British | 56 years |
| Desmond Byrne | Director | 29 Apr 2004 | 6 Jul 2004 | British | 65 years |
| Hackwood Directors Limited | Corporate Nominee Director | 26 Jul 1996 | 3 Apr 1997 | United Kingdom | - |
| Hackwood Secretaries Limited | Corporate Nominee Secretary | 26 Jul 1996 | 3 Apr 1997 | United Kingdom | - |
| Iain David Smith | Director | 1 Jul 1998 | 31 Mar 2003 | British | 73 years |
| Ian William Poston | Director | 3 Apr 1997 | 25 Sept 2001 | British | 70 years |
| James Edward Fane De Salis | Director | 21 Jun 2013 | 2 Feb 2016 | British | 58 years |
| John George Demaine | Director | 10 Oct 2001 | 10 Oct 2001 | British | 64 years |
| John George Demaine | Director | 1 Dec 2001 | 15 Sept 2003 | British | 64 years |
| John Hudson Bushell | Director | 3 Apr 1997 | 7 Jul 1997 | British | 84 years |
| John Philip Hine | Director | 15 Sept 2003 | 17 Jun 2005 | British | 68 years |
| Jonathan Mortimer Wilkins | Secretary | 3 Apr 1997 | 1 Mar 1999 | British | - |
| Lindsay Peter Tomlinson | Director | 10 Oct 2001 | 10 Oct 2001 | British | 74 years |
| Lindsay Peter Tomlinson | Director | 1 Dec 2001 | 15 Sept 2003 | British | 74 years |
| Lothar Mentel | Director | 6 Dec 2004 | 13 Sept 2005 | German | 57 years |
| Lynne Margaret Peacock | Director | 3 Apr 1997 | 7 Jul 1997 | British | 72 years |
| Malcolm Ashley Smith | Director | 10 Oct 2001 | 10 Oct 2001 | British | 63 years |
| Malcolm Ashley Smith | Director | 1 Dec 2001 | 15 Sept 2003 | British | 63 years |
| Marc Halpern | Director | 21 Sept 2007 | 5 Feb 2009 | French | 60 years |
| Marc Robert Andrew Bulstrode | Director | 25 Apr 2006 | 15 Apr 2008 | British | 57 years |
| Mark Andrew Richards | Director | 7 Oct 2014 | 31 Dec 2018 | British | 61 years |
| Martyn John Gatehouse | Director | 4 Nov 2010 | 20 Apr 2012 | British | 64 years |
| Nicholas Saul Arnold | Director | 14 Nov 2014 | 2 Nov 2016 | British | 48 years |
| Paul Gerard Mcnamara | Director | 18 Feb 2011 | 18 Feb 2011 | Irish | 59 years |
| Paul Gerard Mcnamara | Director | 15 Mar 2011 | 4 Dec 2013 | Irish | 59 years |
| Paul Howard Burd | Director | 23 Sept 2013 | 30 Jan 2015 | British | 64 years |
| Paul Michael Riley | Director | 15 Sept 2003 | 30 Apr 2004 | British | 68 years |
| Paul Robert Pashley | Director | 10 Oct 2001 | 10 Nov 2005 | British | 66 years |
| Philip Benjamin Hunt | Director | 24 Feb 2009 | 25 Apr 2012 | British | 57 years |
| Robert Charles Hubert Jeens | Director | 3 Apr 1997 | 30 Jun 1999 | British | 72 years |
| Steven Craig Roberts | Director | 6 Oct 2004 | 25 Apr 2006 | British | 63 years |
| Susan Barbara Stanhope Homersham | Director | 3 Apr 1997 | 7 Jul 1997 | British | 82 years |
| Susan Clare Sjuve | Director | 3 Apr 1997 | 7 Jul 1997 | British | 70 years |
| Terence William Dunleavy | Director | 9 Nov 2010 | 31 Dec 2014 | New Zealand | 61 years |
| Thomas Alan Wild | Director | 7 Jul 1997 | 30 Jun 1998 | British | 75 years |