| Andrew Matthews | Director | 25 Mar 2009 | 22 May 2012 | British | 64 years |
| Andrew Philip Jackson | Director | 9 Dec 2002 | 24 Sept 2003 | British | 75 years |
| Anthony Jeffrey Fetterman | Director | 30 Mar 2005 | 23 Jul 2007 | British | 78 years |
| Antonio De La Llama | Director | 24 Sept 2003 | 9 May 2007 | Spanish | 64 years |
| Barry Robert Boyde Pope | Director | 24 Sept 2003 | 16 Jul 2007 | British | 78 years |
| Benedict James Wynne-simmons | Director | 22 May 2012 | 25 Jun 2014 | British | 45 years |
| Celine Marie Maronne | Director | 25 Jun 2014 | 10 Jan 2017 | French | 39 years |
| Chalfen Nominees Limited | Corporate Nominee Director | 9 Dec 2002 | 11 Dec 2002 | United Kingdom | - |
| Chalfen Secretaries Limited | Corporate Nominee Secretary | 9 Dec 2002 | 11 Dec 2002 | United Kingdom | - |
| Charles Alistair Snart | Director | 26 Jan 2009 | 31 Mar 2020 | British | 66 years |
| Christopher Duncan Arthur | Director | 24 Sept 2003 | 28 Apr 2006 | British | 58 years |
| Christopher James | Director | 23 Jul 2003 | 5 Jul 2004 | British | 58 years |
| Christopher James Lavery | Director | 23 Jan 2017 | 15 Jun 2018 | British | 61 years |
| David Steel | Director | 28 May 2003 | 5 Sept 2006 | British | 72 years |
| David William Bowler | Director | 1 Feb 2010 | 22 May 2012 | British | 81 years |
| David William Bowler | Director | 22 May 2012 | 25 Jun 2014 | British | 81 years |
| David William Bowler | Director | 25 Jun 2014 | 20 Jul 2020 | British | 81 years |
| Douglas George Hawkins | Director | 9 Dec 2002 | 31 Dec 2008 | British | 80 years |
| Douglas George Hawkins | Secretary | 9 Dec 2002 | 31 Dec 2008 | British | - |
| Erik Francis Layzell | Director | 5 Jul 2004 | 30 Mar 2005 | British | 63 years |
| Guilherme Carvalho | Director | 25 Mar 2009 | 1 Feb 2010 | Brazilian | 51 years |
| Ian Richard Gethin | Director | 9 May 2007 | 28 Apr 2008 | British | 55 years |
| Janet Patricia Chamberlain | Director | 11 Dec 2002 | 1 Jul 2006 | British | 76 years |
| Janet Patricia Chamberlain | Director | 16 Jul 2007 | 28 Apr 2008 | British | 76 years |
| John Mc Donagh | Director | 29 Jan 2008 | 25 Mar 2009 | British | 57 years |
| Juan Luis Pozo Remirez | Director | 11 Dec 2002 | 13 Dec 2004 | Spaniard | 81 years |
| Larry Jay Henry | Director | 23 Oct 2007 | 31 May 2019 | American | 73 years |
| Martin James Rawlinson | Director | 23 Nov 2006 | 31 Jan 2008 | British | 60 years |
| Michael Joseph Ryan | Director | 29 Jan 2008 | 25 Mar 2009 | Irish | 60 years |
| Nicola Sparrow | Director | 31 May 2019 | 13 Apr 2022 | British | 52 years |
| Paul Anthony Evans | Director | 11 Dec 2002 | 26 Jun 2009 | British | 79 years |
| Paul Mcculloch | Director | 9 May 2007 | 22 May 2012 | British | 61 years |
| Peter Frederick Simpson | Director | 11 Dec 2002 | 26 Jan 2009 | British | 82 years |
| Peter John Meffan | Director | 2 Aug 2018 | 13 Apr 2022 | British | 62 years |
| Philip Smith | Director | 11 Dec 2002 | 26 Jan 2009 | British | 78 years |
| Phillip Joseph Dodd | Director | 1 Jul 2006 | 23 Nov 2009 | British | 71 years |
| Phillip Joseph Dodd | Director | 22 May 2012 | 1 Jun 2016 | British | 71 years |
| Rebekah Arlene Barrientos | Director | 19 Apr 2013 | 21 Mar 2014 | American | 51 years |
| Semperian Secretariat Services Limited | Corporate Secretary | 31 Dec 2008 | 1 May 2020 | United Kingdom | - |
| Simon Jeffrey Usher | Director | 26 Jan 2009 | 26 Mar 2013 | British | 60 years |
| Stephen Francis Kibblewhite | Director | 24 Sept 2003 | 31 Jan 2008 | British | 70 years |
| Victor Revuelta | Director | 13 Dec 2004 | 9 May 2007 | Spanish | 83 years |