| Andres Mata Guzman | Director | 24 Sept 2010 | 19 Aug 2013 | Venezuelan | 51 years |
| Andrew William Hodges | Director | 19 Mar 2007 | 29 Feb 2016 | British | 59 years |
| Andrew William Hodges | Secretary | 19 Mar 2007 | 29 Feb 2016 | British | - |
| Brian Kevin Wood | Director | 11 Aug 2006 | 24 Sept 2010 | British | 76 years |
| Ceri Howells | Director | 3 Jul 2017 | 27 Sept 2019 | British | 54 years |
| Claire Murphy | Director | 12 Nov 2021 | 28 Mar 2025 | Irish | 37 years |
| Douglas Smailes | Director | 15 Apr 2003 | 9 Nov 2016 | British | 67 years |
| Eduardo Lopes Morales | Director | 19 Oct 2011 | 31 May 2014 | Brazilian | 60 years |
| Elaine Klonarides | Director | 9 Nov 2016 | 12 Nov 2021 | British | 50 years |
| Geoffrey Allan Wilkinson | Director | 13 Mar 2003 | 19 Mar 2007 | British | 79 years |
| Geoffrey Allan Wilkinson | Secretary | 13 Mar 2003 | 19 Mar 2007 | British | - |
| Hackwood Directors Limited | Corporate Nominee Director | 13 Mar 2003 | 13 Mar 2003 | United Kingdom | - |
| Hackwood Secretaries Limited | Corporate Nominee Secretary | 13 Mar 2003 | 13 Mar 2003 | United Kingdom | - |
| James Edward Beams | Director | 15 Apr 2003 | 11 Aug 2006 | British | 63 years |
| James Paul Maher | Director | 6 Oct 2020 | 27 Mar 2024 | British | 48 years |
| John Michael Mills | Director | 17 Nov 2014 | 9 Nov 2016 | British | 62 years |
| Keith Roderick Tucker | Director | 15 Apr 2003 | 31 Dec 2014 | British | 66 years |
| Michael John Gordon | Director | 15 Apr 2003 | 22 Aug 2008 | British | 73 years |
| Nicholas Jordan | Director | 13 Mar 2003 | 31 Jul 2014 | British | 71 years |
| Othilie Flore Jeanne Christine De Rendinger | Director | 9 Nov 2016 | 11 Feb 2019 | French | 45 years |
| Peter Graeme Whitcutt | Director | 22 Aug 2008 | 24 Sept 2010 | South African | 61 years |
| Roger William Henderson | Director | 16 Sept 2020 | 23 Sept 2025 | British | 46 years |
| William Kow Buabin Ward-brew | Director | 12 Mar 2019 | 30 Apr 2021 | British | 57 years |