| Alexander Reginald Benton | Director | 15 Dec 2000 | 31 Oct 2011 | British | 74 years |
| Bernard Robert Norman | Director | 14 Mar 2001 | 10 Jul 2002 | British | 84 years |
| Charles Peter Cobb | Director | 15 Dec 2000 | 15 May 2013 | British | 71 years |
| Christopher Eric Walker | Director | 15 Dec 2000 | 10 Feb 2003 | British | 74 years |
| David Keith Tipping | Secretary | 15 Dec 2000 | 10 Apr 2012 | British | - |
| Dennis John Cope | Director | 15 Dec 2000 | 16 Jun 2021 | British | 92 years |
| Elizabeth Barbara Cheney | Secretary | 24 Apr 2017 | 31 Dec 2017 | - | - |
| Giles Robert Justin Veitch | Director | 17 Oct 2007 | 9 Jul 2010 | British | 63 years |
| Ian Timothy Closier | Director | 15 Dec 2000 | 31 May 2006 | British | 71 years |
| James Thomas Holliday | Director | 20 Oct 2011 | 31 Dec 2017 | British | 70 years |
| Jeremy Philip Hilton Vickers | Secretary | 19 Jun 2014 | 24 Jul 2015 | - | - |
| Jeremy Philip Hilton Vickers | Director | 21 May 2014 | 24 Jul 2015 | British | 68 years |
| Jeremy Simon Gee | Director | 15 Mar 2017 | 17 Sept 2018 | British | 58 years |
| John Bryan Cousins | Director | 19 Sept 2005 | 31 Dec 2010 | British | 93 years |
| John Finlay Alexander Kirkpatrick | Director | 14 Mar 2001 | 13 Jul 2006 | British | 83 years |
| John Haggerstone | Director | 19 Sept 2005 | 28 Mar 2007 | British | 67 years |
| Martin John Sidders | Director | 25 Feb 2009 | 19 Jun 2014 | British | 67 years |
| Martin John Sidders | Secretary | 11 Apr 2012 | 19 Jun 2014 | - | - |
| Michael Blakey | Director | 18 Apr 2007 | 30 Jun 2020 | British | 62 years |
| Michael Raymond Walker | Director | 14 Jan 2016 | 30 Apr 2021 | British | 67 years |
| Nicholas Martin Dulcken | Director | 2 Nov 2001 | 17 Apr 2019 | British | 58 years |
| Oval Nominees Limited | Corporate Nominee Director | 2 Oct 2000 | 15 Dec 2000 | United Kingdom | - |
| Ovalsec Limited | Corporate Nominee Director | 2 Oct 2000 | 15 Dec 2000 | United Kingdom | - |
| Ovalsec Limited | Corporate Nominee Secretary | 2 Oct 2000 | 15 Dec 2000 | United Kingdom | - |
| Richard Henry Westcott | Director | 15 Dec 2000 | 31 Jan 2004 | British | 78 years |
| Richard James Paterson | Director | 19 Sept 2005 | 31 Mar 2020 | British | 68 years |
| Roderick Roy Macgillivray | Director | 15 Dec 2000 | 20 May 2004 | British | 75 years |
| Stephen Charles Casey | Director | 15 Dec 2000 | 31 Mar 2010 | British | 76 years |
| Steven James Gough | Director | 20 Oct 2011 | 17 Aug 2015 | British | 63 years |
| Susan Gaynor Hide | Secretary | 24 Jul 2015 | 24 Apr 2017 | - | - |