| Alain Gerard Edmond Bourguignon | Director | 1 Apr 2010 | 16 Oct 2014 | French | 67 years |
| Alpha Directors Limited | Corporate Director | 13 Feb 2006 | 7 Nov 2006 | United Kingdom | - |
| Angela Betty Yeoman | Director | 9 Nov 2006 | 31 Dec 2012 | British | 95 years |
| Benoit-henri Gerard Koch | Director | 7 Nov 2006 | 19 Oct 2012 | French | 73 years |
| Bernard Terver | Director | 19 Oct 2012 | 1 Jul 2015 | French | 74 years |
| Beta Directors Limited | Corporate Director | 13 Feb 2006 | 7 Nov 2006 | United Kingdom | - |
| Christine Farnish | Director | 1 Apr 2012 | 31 Dec 2013 | British | 76 years |
| Christopher William Maxwell Garnett | Director | 1 May 2007 | 31 Dec 2013 | British | 80 years |
| Donald Reed | Director | 7 Nov 2006 | 19 Oct 2010 | American | 82 years |
| Dragan Maksimovic | Director | 1 Oct 2021 | 31 Jul 2024 | Serbian | 59 years |
| Form 10 Directors Fd Ltd | Corporate Nominee Director | 16 Dec 2005 | 13 Feb 2006 | United Kingdom | - |
| Form 10 Secretaries Fd Ltd | Corporate Nominee Secretary | 16 Dec 2005 | 13 Feb 2006 | United Kingdom | - |
| Francois Petry | Director | 1 Dec 2015 | 31 Dec 2018 | French | 60 years |
| George William Bolsover | Director | 7 Nov 2006 | 31 Dec 2013 | British | 76 years |
| Guy Charles Edwards | Director | 1 Jan 2019 | 21 May 2021 | British | 61 years |
| James Atherton-ham | Secretary | 30 Mar 2012 | 30 Apr 2019 | British | - |
| James Keith Retallack | Director | 1 Oct 2007 | 30 Jun 2011 | British | 69 years |
| James Patrick Lamert Davis | Director | 1 May 2007 | 31 Dec 2013 | British | 80 years |
| John Damian Carr | Director | 1 May 2007 | 19 Oct 2010 | British | 69 years |
| John Ferguson Bowater | Director | 1 Oct 2007 | 31 Dec 2022 | British | 77 years |
| Markus Akermann | Director | 7 Nov 2006 | 24 Oct 2007 | Swiss | 79 years |
| Mary Ford | Secretary | 13 Feb 2006 | 30 Mar 2012 | British | - |
| Norman Fowler | Director | 1 Jun 2010 | 31 Dec 2013 | British | 88 years |
| Patrick Robert Ward | Director | 1 Apr 2014 | 30 Nov 2015 | British | 66 years |
| Peter Norman Fowler | Director | 7 Nov 2006 | 16 Nov 2006 | British | 88 years |
| Peter William Gregory Tom | Director | 7 Nov 2006 | 24 Oct 2007 | British | 86 years |
| Roland Kohler | Director | 30 Mar 2011 | 12 Feb 2018 | Swiss | 73 years |
| Thomas Ashley Clough | Director | 7 Nov 2006 | 24 Oct 2007 | British | 79 years |
