| Angela Wendy Miriam White | Secretary | 17 Sept 2018 | 5 Jul 2019 | - | - |
| Charles Edwin Clement | Director | 1 Jul 2004 | 18 Jul 2007 | British | 65 years |
| David John Brimblecombe | Director | 12 Jan 2001 | 18 Oct 2001 | British | 78 years |
| David John Brimblecombe | Director | 1 Jul 2004 | 30 Sept 2005 | British | 78 years |
| Geoffrey Mortimer Goodwill | Director | 9 Jan 2001 | 19 May 2005 | British | 82 years |
| Howard Malcolm Cressey | Director | 18 Oct 2001 | 9 Sept 2003 | British | 71 years |
| Iain Nicoll Robertson | Director | 19 May 2005 | 4 Sept 2007 | British | 64 years |
| Ian Marcus | Director | 10 Jul 2012 | 10 Dec 2012 | British | 67 years |
| John Anthony Harrowsmith | Director | 12 Jan 2001 | 18 Oct 2001 | British | 84 years |
| John Drummond Bell | Director | 21 Jan 2002 | 10 Jul 2012 | British | 77 years |
| Katharine Olivia Helen Smith | Secretary | 5 Jul 2019 | 4 Oct 2024 | - | - |
| Kevin Ian Whiteman | Director | 18 Jul 2007 | 24 Sept 2013 | British | 70 years |
| Luke Axe | Director | 21 Sept 2022 | 4 Oct 2024 | British | 42 years |
| Mark Andrew Kenneth Wood | Director | 21 Oct 2003 | 1 Jul 2004 | British | 59 years |
| Nevil George Muncaster | Director | 30 Oct 2018 | 31 Jul 2021 | British | 62 years |
| Nicholas Jay Gilbert | Secretary | 12 Dec 2003 | 8 Apr 2004 | British | - |
| Paul Terence Millington | Director | 18 Oct 2007 | 25 Feb 2020 | British | 64 years |
| Paul Terence Millington | Secretary | 9 Jan 2001 | 12 Dec 2003 | British | - |
| Peter Beaumont | Director | 3 Oct 2005 | 31 May 2011 | British | 73 years |
| Peter Garrett | Director | 7 Nov 2011 | 4 Oct 2024 | British | 62 years |
| Philip Arthur Turner | Director | 9 Jan 2001 | 18 Oct 2007 | British | 74 years |
| Philip John Hudson | Director | 18 Oct 2001 | 1 Jul 2004 | British | 66 years |
| Richard David Flint | Director | 24 Sept 2013 | 30 Oct 2018 | British | 58 years |
| Robert Christopher Hill | Secretary | 18 Oct 2007 | 27 Jun 2018 | British | - |
| Roderick Michael Evans | Director | 10 Dec 2012 | 13 Sept 2023 | British | 64 years |
| Stephen Bottomley | Secretary | 8 Apr 2004 | 18 Oct 2007 | British | - |
| York Place Company Nominees Limited | Corporate Nominee Director | 14 Dec 2000 | 9 Jan 2001 | United Kingdom | - |
| York Place Company Secretaries Limited | Corporate Nominee Secretary | 14 Dec 2000 | 9 Jan 2001 | United Kingdom | - |