| Alison Ann Hargreaves | Secretary | 15 Jul 1998 | 13 Aug 1999 | British | - |
| Caroline Hinchliffe | Secretary | 1 Jul 2008 | 31 Dec 2009 | British | - |
| Caroline Mary Tolhurst | Secretary | 13 Aug 1999 | 1 Jul 2008 | British | - |
| Christopher James Jukes | Director | 27 Feb 2013 | 31 Oct 2013 | British | 48 years |
| Christopher Millard | Director | 7 Jul 2011 | 10 Apr 2012 | British | 57 years |
| Colin Hall | Director | 29 Jun 1998 | 10 Jul 1998 | British | 81 years |
| Drusilla Charlotte Jane Rowe | Director | 12 Jun 1998 | 29 Jun 1998 | British | 65 years |
| Eleanor Jane Zuercher | Director | 12 Jun 1998 | 29 Jun 1998 | British | 63 years |
| James Milton Featherby | Director | 10 Jul 1998 | 15 Jul 1998 | British | 68 years |
| John Francis German | Director | 10 Apr 2012 | 10 Oct 2012 | British | 62 years |
| Katharine Emma Robinson | Secretary | 31 Dec 2009 | 4 Aug 2010 | - | - |
| Leonie Watson-brock | Secretary | 4 Aug 2010 | 20 Sept 2013 | - | - |
| Louise Anne Myles | Director | 29 Jun 1998 | 15 Jul 1998 | British | 53 years |
| Martin Aldred | Director | 15 Jul 1998 | 22 Nov 1999 | British | 81 years |
| Mervyn Howard | Director | 4 Sept 2003 | 27 Feb 2013 | British | 67 years |
| Nicholas Oliver Preston | Director | 10 Oct 2012 | 31 Jan 2016 | British | 58 years |
| Nicholas Richard Scarles | Director | 19 Jan 2005 | 24 Jul 2006 | British | 64 years |
| Raymond Charles Williams | Director | 22 Nov 1999 | 28 Apr 2004 | British | 73 years |
| Richard Brian Mallett | Director | 19 Jan 2005 | 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 | 17 May 2019 | 29 Jul 2021 | British | 59 years |
| Richard Simon Handley | Director | 15 Jul 1998 | 19 Jan 2005 | British | 72 years |
| Robert Richard Davis | Director | 24 Jul 2006 | 17 May 2019 | British | 59 years |
| Sarah-jane Curtis | Director | 22 Nov 1999 | 13 Sept 2002 | British | 63 years |
| Scott Mark Rowland | Director | 7 Jul 2011 | 10 Oct 2012 | British | 62 years |
| Sebastien Dominique Hyest | Director | 27 Feb 2013 | 8 Oct 2015 | French | 53 years |
| Sebastien Dominique Hyest | Director | 29 Jul 2021 | 31 Mar 2023 | French | 53 years |
| Stephen Howard Rhodes Musgrave | Director | 15 Jul 1998 | 19 Jan 2005 | British | 73 years |
| Stuart Robert Hartley Beevor | Director | 19 Jan 2005 | 17 Mar 2011 | British | 69 years |
| Timothy Alan Dumbreck | Director | 9 Dec 2005 | 1 Sept 2006 | British | 64 years |
| Trusec Limited | Corporate Nominee Secretary | 12 Jun 1998 | 15 Jul 1998 | United Kingdom | - |
| Virginia Duncan | Secretary | 20 Sept 2013 | 19 Feb 2014 | - | - |
| William John Ashworth Bullough | Director | 15 Jul 1998 | 22 Nov 1999 | British | 76 years |