| Alistair Ewan Clark | Director | 27 Jul 2006 | 10 Jan 2020 | British | 55 years |
| Bryan John Lewis | Director | 20 Mar 2007 | 19 Mar 2015 | British | 59 years |
| Charles Sheridan Alexander Maudsley | Director | 22 Apr 2010 | 19 Mar 2015 | British | 62 years |
| Claudine Elaine O'connor | Secretary | 27 Jul 2006 | 20 Mar 2007 | British | - |
| Clive James Philp | Secretary | 20 Mar 2007 | 4 Jun 2008 | British | - |
| David Thomas Potts | Director | 27 Jul 2006 | 20 Mar 2007 | British | 69 years |
| Eamonn O'hare | Director | 27 Jul 2006 | 20 Mar 2007 | British | 63 years |
| Emily White | Director | 15 Jan 2010 | 1 Apr 2011 | British | 53 years |
| Graham Peter Eade | Director | 15 Jul 2010 | 12 Nov 2010 | New Zealand | 66 years |
| Hongyan Echo Lu | Director | 1 Aug 2012 | 24 Oct 2014 | Chinese | 51 years |
| Ian Mair | Director | 12 Nov 2010 | 2 Mar 2012 | British | 53 years |
| James Matthew Rennie | Director | 20 Mar 2007 | 30 Nov 2007 | British | 55 years |
| Johanna Ruth Hartley | Director | 2 Mar 2012 | 2 Mar 2012 | British | 51 years |
| Johanna Ruth Hartley | Director | 2 Mar 2012 | 29 Aug 2014 | British | 51 years |
| John Gibney | Director | 19 Jan 2015 | 10 Jan 2020 | Irish | 59 years |
| Mark Andrew Stirling | Director | 31 Dec 2007 | 6 Nov 2009 | British | 63 years |
| Mark Peter Witham | Director | 30 Nov 2007 | 15 Jan 2010 | British | 63 years |
| Michael Robert Risk | Director | 27 Jul 2006 | 20 Mar 2007 | British | 75 years |
| Ndiana Ekpo | Secretary | 30 Apr 2009 | 19 Mar 2015 | Other | - |
| Neil Timothy Earp | Director | 20 Mar 2007 | 22 Feb 2008 | British | 71 years |
| Nicholas Claud Mourant | Director | 20 Mar 2007 | 28 Sept 2009 | British | 68 years |
| Pailex Nominees Limited | Corporate Director | 27 Jul 2006 | 27 Jul 2006 | United Kingdom | - |
| Pailex Secretaries Limited | Corporate Secretary | 27 Jul 2006 | 27 Jul 2006 | United Kingdom | - |
| Rebecca Jane Scudamore | Secretary | 13 Jun 2008 | 30 Apr 2009 | Other | - |
| Richard William Peter Brasher | Director | 27 Jul 2006 | 20 Mar 2007 | British | 65 years |
| Robert Edward Bowden | Director | 20 Mar 2007 | 31 Dec 2007 | British | 84 years |
| Sarah Morrell Barzycki | Director | 20 Mar 2007 | 19 Mar 2015 | British | 68 years |
| Steven Andrew Rigby | Director | 22 Feb 2008 | 1 Aug 2012 | British | 63 years |
| Timothy Andrew Roberts | Director | 20 Mar 2007 | 22 Apr 2010 | British | 62 years |