| Alan Guy Evans | Director | 25 Jan 2001 | 17 Jul 2009 | British | 75 years |
| Andrew Robert Jones | Secretary | 26 Jun 2000 | 1 Dec 2000 | British | - |
| Anjli Dudani | Director | 13 May 2011 | 1 Aug 2014 | American | 54 years |
| Christopher Mark Wood | Director | 9 Nov 2018 | 31 Jul 2019 | British | 55 years |
| Craig William Murray | Director | 25 Jan 2001 | 8 Feb 2010 | British | 67 years |
| Curt John Hess | Director | 18 May 2009 | 18 Jan 2010 | Other | 61 years |
| Gaynor Carruthers Bulloch | Secretary | 26 Apr 2001 | 13 May 2011 | British | - |
| Howard Thomas | Nominee Secretary | 26 Jun 2000 | 26 Jun 2000 | British | - |
| Hugh Meechan | Director | 1 Jun 2001 | 28 May 2004 | British | 61 years |
| Julian Richard Davies | Director | 5 Aug 2019 | 10 Sept 2025 | British | 54 years |
| Kean Grive | Director | 4 Nov 2013 | 7 May 2015 | British | 59 years |
| Malcolm Vaughan Jones | Director | 15 Oct 2015 | 23 Mar 2018 | British | 59 years |
| Michael Alexander Pitcher | Director | 22 Mar 2001 | 19 May 2003 | British | 83 years |
| Michael John Britton | Director | 12 Dec 2014 | 31 Oct 2018 | British | 65 years |
| Neil Andrew Radley | Director | 18 May 2009 | 15 Sept 2010 | British | 62 years |
| Oliver John White | Director | 28 Aug 2013 | 31 Oct 2013 | British | 57 years |
| Owen John Clarke | Director | 25 Jan 2001 | 19 May 2003 | British | 62 years |
| Paul Noble | Director | 4 Aug 2009 | 13 May 2011 | British | 52 years |
| Peter Stuart Crook | Director | 19 May 2003 | 22 Jun 2005 | British | 62 years |
| Philip Christopher Mchugh | Director | 18 Jan 2010 | 5 Jul 2010 | British | 54 years |
| Richard David William Banks | Director | 25 Jan 2001 | 28 May 2004 | British | 81 years |
| Richard Llewellyn Davies | Director | 22 Jun 2005 | 31 Jan 2007 | British | 60 years |
| Ronald Denholm | Director | 21 Feb 2011 | 12 Dec 2014 | British | 60 years |
| Samuel Robert Jones | Director | 26 Jun 2000 | 23 Nov 2004 | British | 83 years |
| Sarah-jayne O'donovan | Director | 12 Dec 2014 | 10 Sept 2025 | British | 55 years |
| Stephen Morgan Dowdells | Director | 1 Jun 2001 | 18 May 2004 | Scottish | 62 years |
| Susan Philbey | Director | 26 Jun 2000 | 26 Jun 2000 | British | 60 years |
| Susanne Miller | Director | 25 Jun 2010 | 27 Feb 2015 | American | 57 years |
| Tjg Secretaries Limited | Corporate Secretary | 1 Dec 2000 | 19 May 2003 | United Kingdom | - |