| Anders Hinsby | Director | 2 Oct 2008 | 12 Jan 2010 | Danish | 52 years |
| Anja Isabella Konig | Director | 27 Jul 2012 | 3 Jul 2018 | German | 55 years |
| Ashley Stephen Charles Cooper | Director | 25 Oct 2000 | 15 May 2003 | British | 65 years |
| Christopher Wright | Director | 16 Aug 2002 | 17 Jun 2016 | British | 68 years |
| David Wemyss Denning | Director | 1 Jul 1998 | 30 Jul 2004 | British | 68 years |
| Form 10 Directors Fd Ltd | Corporate Nominee Director | 10 Jun 1998 | 10 Jun 1998 | United Kingdom | - |
| Form 10 Secretaries Fd Ltd | Corporate Nominee Secretary | 10 Jun 1998 | 10 Jun 1998 | United Kingdom | - |
| Geoffrey Smith | Director | 10 Jul 2000 | 17 Sept 2004 | British | 80 years |
| Geoffrey Smith | Secretary | 31 Jan 2003 | 17 Sept 2004 | British | - |
| Gordon Barclay Duncan | Director | 18 Sept 2002 | 25 Apr 2003 | British | 69 years |
| Ian James Nicholson | Director | 11 Mar 2013 | 30 Apr 2021 | British | 65 years |
| Jayne Louise Brookman | Director | 1 Jul 1998 | 2 Jul 2003 | British | 62 years |
| Jayne Louise Brookman | Secretary | 1 Jul 1998 | 6 Jun 2000 | British | - |
| Jeffrey Robertson Edwards | Director | 20 Sept 2004 | 28 Feb 2009 | British | 82 years |
| Jens Kindtler | Director | 16 Aug 2002 | 2 Oct 2008 | Danish | 67 years |
| John Charles Morgan | Secretary | 6 Jun 2000 | 31 Jan 2003 | British | - |
| John Howard Rex | Director | 24 Sept 2012 | 14 Dec 2021 | American | 68 years |
| Maha Katabi | Director | 17 Jun 2016 | 10 Oct 2017 | Canadian | 52 years |
| Maire Anne Smith | Director | 6 Jun 2001 | 1 Jul 2004 | British | 76 years |
| Martin Edwards | Director | 17 Jun 2016 | 11 Aug 2020 | British | 69 years |
| Michael Birch | Secretary | 20 Sept 2012 | 23 Jan 2014 | - | - |
| Michael Richard Hodges | Director | 1 Sept 2010 | 23 Jan 2014 | British | 64 years |
| Rajesh Bhikhu Parekh | Director | 27 Jul 2012 | 23 Sept 2015 | British | 65 years |
| Richard John White | Director | 27 Apr 2006 | 11 Dec 2018 | British American | 83 years |
| Robert Dwyer Nolan | Director | 20 Sept 2004 | 3 Apr 2009 | Irish | 82 years |
| Shane Michael Kelly | Director | 2 Jul 2003 | 27 Jul 2012 | American | 68 years |
| Sten Verland | Director | 12 Jan 2010 | 17 Jun 2016 | Danish | 68 years |
| Thomas Tscherning | Director | 2 Oct 2007 | 12 Jan 2010 | Danish | 58 years |
| Timothy Piers Horlick | Director | 20 Jun 2001 | 25 Apr 2003 | British | 64 years |
| William James Mason Gissane | Director | 1 Dec 1999 | 31 May 2005 | British | 85 years |