| Antony Christie | Director | 10 Apr 2012 | 10 Oct 2012 | British | 62 years |
| Caroline Hinchliffe | Secretary | 1 Jul 2008 | 31 Dec 2009 | British | - |
| Caroline Mary Tolhurst | Secretary | 13 Dec 1999 | 1 Jul 2008 | British | - |
| Christopher James Jukes | Director | 27 Feb 2013 | 31 Oct 2013 | British | 48 years |
| Christopher Millard | Director | 11 May 2011 | 10 Apr 2012 | British | 57 years |
| Drusilla Charlotte Jane Rowe | Nominee Director | 5 Nov 1999 | 7 Dec 1999 | British | 65 years |
| Eleanor Jane Zuercher | Nominee Director | 5 Nov 1999 | 7 Dec 1999 | British | 63 years |
| Graham Peter White | Director | 7 Dec 1999 | 13 Dec 1999 | British | 71 years |
| Jeremy David Tredennick Titchen | Director | 10 Apr 2000 | 8 Sept 2003 | British | 63 years |
| Joseph Dermot Rice | Director | 7 Dec 1999 | 13 Dec 1999 | British | 68 years |
| Julian Richard Milne | Director | 10 Apr 2000 | 8 Sept 2003 | British | 70 years |
| Katharine Emma Robinson | Secretary | 31 Dec 2009 | 4 Aug 2010 | - | - |
| Leonie Watson-brock | Secretary | 4 Aug 2010 | 20 Sept 2013 | - | - |
| Mark Robin Preston | Director | 30 Jun 2006 | 19 Jan 2007 | British | 58 years |
| Mark Robin Preston | Director | 13 Dec 1999 | 10 Apr 2000 | British | 58 years |
| Mervyn Howard | Director | 8 Sept 2003 | 27 Feb 2013 | British | 67 years |
| Miles George Sutherland Dunnett | Director | 15 Sept 2017 | 30 Apr 2019 | British | 57 years |
| Nicholas Oliver Preston | Director | 10 Oct 2012 | 31 Jan 2016 | British | 58 years |
| Raymond Charles Williams | Director | 13 Dec 1999 | 19 Jan 2007 | British | 73 years |
| Richard Brian Mallett | Director | 19 Jan 2007 | 27 Feb 2013 | British | 59 years |
| Richard Brian Mallett | Director | 19 Jul 2013 | 5 Aug 2013 | British | 59 years |
| Richard Brian Mallett | Director | 19 Aug 2013 | 27 Aug 2013 | British | 59 years |
| Richard Brian Mallett | Director | 11 Sept 2014 | 15 Sept 2014 | British | 59 years |
| Richard Simon Handley | Director | 13 Dec 1999 | 19 Jan 2007 | British | 72 years |
| Robert Richard Davis | Director | 19 Jan 2007 | 30 Apr 2019 | British | 59 years |
| Scott Mark Rowland | Director | 16 Dec 2015 | 15 Sept 2017 | British | 62 years |
| Sebastien Dominique Hyest | Director | 27 Feb 2013 | 8 Oct 2015 | French | 53 years |
| Stephen Howard Rhodes Musgrave | Director | 13 Dec 1999 | 30 Jun 2006 | British | 73 years |
| Stuart Robert Hartley Beevor | Director | 19 Jan 2007 | 17 Mar 2011 | British | 69 years |
| Trusec Limited | Corporate Nominee Secretary | 5 Nov 1999 | 13 Dec 1999 | United Kingdom | - |
| Virginia Duncan | Secretary | 20 Sept 2013 | 19 Feb 2014 | - | - |