| Alan Edward Birch | Director | 7 Jun 2004 | 27 Aug 2004 | British | 56 years |
| Andrew Matthews | Director | 31 Mar 2004 | 19 Dec 2011 | British | 64 years |
| Anita Catherine Gregson | Director | 1 Dec 2010 | 19 Dec 2011 | British | 62 years |
| David Geoffrey Lewis | Director | 19 Dec 2011 | 1 Feb 2019 | British | 57 years |
| David William Bowler | Secretary | 18 Apr 2005 | 17 Jul 2006 | British | - |
| Faraidon Saheb-zadha | Director | 23 Nov 2011 | 19 Dec 2011 | British | 48 years |
| Geoffrey Keith Howard Mason | Director | 9 Aug 2002 | 31 Mar 2004 | British | 72 years |
| Geoffrey Keith Howard Mason | Director | 4 Feb 2005 | 5 May 2005 | British | 72 years |
| Margaret Louise Mellor | Director | 9 Aug 2002 | 31 Mar 2004 | British | 66 years |
| Nigel Anthony John Brindley | Director | 30 Jan 2007 | 15 Mar 2011 | British | 70 years |
| Oliver James Wake Jennings | Director | 31 Mar 2004 | 23 Oct 2007 | British | 63 years |
| Patrick Hugh Gardiner | Director | 31 Mar 2004 | 7 Jun 2004 | British | 77 years |
| Robert Anthony Wallace | Director | 27 Aug 2004 | 13 Dec 2004 | British | 76 years |
| Robert Nigel Johnson | Director | 31 Mar 2004 | 15 Jun 2004 | British | 68 years |
| Secretariat Services Limited | Corporate Secretary | 9 Aug 2002 | 15 Apr 2005 | United Kingdom | - |