| Alan David Maynard | Director | 9 May 1997 | 15 Dec 1997 | Irish | 61 years |
| Alan Lowe | Secretary | 18 Oct 2016 | 25 Sept 2017 | - | - |
| Alan Lowe | Secretary | 21 Jun 2022 | 17 Jan 2023 | - | - |
| Barbara Reeves | Nominee Director | 17 Mar 1997 | 9 May 1997 | British | 64 years |
| Claire Smith | Secretary | 23 Jun 2009 | 18 Oct 2016 | British | - |
| George Lynn | Director | 21 Aug 2001 | 4 Jul 2012 | British | 71 years |
| Haydn Turner Abbott | Director | 21 Aug 2001 | 5 Aug 2008 | British | 77 years |
| Iain Arthur Houston | Director | 19 Dec 1997 | 21 Aug 2001 | British | 77 years |
| Jennifer Anne Dunstan | Director | 9 May 1997 | 15 Dec 1997 | British | 64 years |
| Jennifer Anne Dunstan | Secretary | 9 May 1997 | 15 Dec 1997 | British | - |
| John Denys Charles Anstice Prideaux | Director | 9 May 1997 | 21 Aug 2001 | British | 82 years |
| Jonathan Michael Sweetman | Director | 19 Dec 1997 | 21 Aug 2001 | British | 75 years |
| Kevin George Tribley | Director | 23 Jun 2009 | 1 Sept 2020 | British | 63 years |
| Louise Margaret Oddy | Director | 21 Aug 2001 | 25 Jun 2009 | British | 72 years |
| Louise Margaret Oddy | Secretary | 19 Dec 1997 | 23 Jun 2009 | British | - |
| Malcolm Brown | Director | 3 Aug 2009 | 30 Jul 2018 | British | 59 years |
| Mark Andrew Hicks | Director | 31 Mar 2011 | 23 Jul 2019 | British | 59 years |
| Michael William Rich | Nominee Director | 17 Mar 1997 | 9 May 1997 | British | 79 years |
| Mitre Secretaries Limited | Corporate Nominee Secretary | 17 Mar 1997 | 9 May 1997 | United Kingdom | - |
| Nesha Holas | Secretary | 25 Sept 2017 | 21 Jun 2022 | - | - |
| Robert Edward Verrion | Director | 5 Aug 2008 | 4 Aug 2009 | British | 74 years |
| Tim Richard Dugher | Director | 3 Aug 2009 | 31 Mar 2011 | British | 67 years |