| Alain Gerard Edmond Bourguignon | Director | 1 Apr 2010 | 1 Mar 2011 | French | 67 years |
| Castlegate Directors Limited | Corporate Director | 14 Nov 2005 | 29 Sept 2006 | United Kingdom | - |
| Castlegate Secretaries Limited | Corporate Secretary | 14 Nov 2005 | 29 Sept 2006 | United Kingdom | - |
| George William Bolsover | Director | 1 Jul 2009 | 31 Mar 2010 | British | 76 years |
| James Lawrence Cousins | Director | 1 Apr 2014 | 9 Oct 2015 | British | 54 years |
| James West Atherton-ham | Director | 9 Oct 2015 | 30 Apr 2019 | British | 56 years |
| Mary Ford | Secretary | 1 Sept 2006 | 30 Mar 2012 | British | - |
| Michael Charles Clippingdale | Director | 29 Sept 2006 | 4 Apr 2008 | British | 69 years |
| Michael Paul Pearce | Director | 1 Jul 2009 | 31 Jan 2013 | British | 62 years |
| Nicholas Lander | Director | 1 Feb 2013 | 31 Mar 2014 | British | 48 years |
| Philip Roy Barltrop | Director | 29 Sept 2006 | 31 Dec 2006 | British | 71 years |
| Ralph Brander Cunningham | Director | 14 Dec 2006 | 30 Jun 2009 | British | 65 years |