| Alan Guy Evans | Director | 25 Jan 2001 | 17 Jul 2009 | British | 75 years |
| Anjli Dudani | Director | 4 Jul 2011 | 5 Aug 2014 | American | 54 years |
| Ann Callison | Director | 9 Feb 2021 | 30 Jun 2023 | American | 57 years |
| Betty June Doyle | Nominee Director | 23 Feb 1994 | 9 Mar 1994 | British | 89 years |
| Christopher Mark Wood | Director | 18 Dec 2018 | 31 Jul 2019 | British | 55 years |
| Craig William Murray | Director | 1 Feb 1996 | 8 Feb 2010 | British | 67 years |
| Curt John Hess | Director | 4 Jun 2009 | 18 Jan 2010 | Other | 61 years |
| Daniel John Dwyer | Nominee Director | 23 Feb 1994 | 9 Mar 1994 | British | 84 years |
| Daniel John Dwyer | Nominee Secretary | 23 Feb 1994 | 9 Mar 1994 | British | - |
| David Wilson Keens | Director | 25 Nov 1999 | 25 Jan 2001 | British | 72 years |
| Elissa Leah Phillips | Director | 25 Mar 1994 | 23 Feb 1997 | British | 62 years |
| Elissa Leah Phillips | Secretary | 22 Mar 1994 | 28 Mar 1994 | British | - |
| Elissa Leah Phillips | Secretary | 22 Mar 1994 | 25 Nov 1999 | British | - |
| Gaynor Carruthers Bulloch | Secretary | 26 Apr 2001 | 13 May 2011 | British | - |
| Gregory Richard Davis | Director | 21 Sept 2020 | 26 Feb 2021 | British | 46 years |
| Helen Jane Ashton | Director | 29 Apr 2008 | 13 Feb 2009 | British | 53 years |
| Ian Mcdonald | Director | 1 Jun 2001 | 25 May 2004 | British | 71 years |
| Ian Peter Campbell | Director | 22 Mar 1994 | 4 Jun 1996 | British | 64 years |
| Ian Peter Wheeler Kendall | Director | 22 Mar 1994 | 22 Apr 1994 | British | 78 years |
| Jack Barker | Director | 9 Mar 1994 | 22 Mar 1994 | British | 93 years |
| Jack Barker | Secretary | 9 Mar 1994 | 22 Mar 1994 | British | - |
| Jeff White | Director | 5 Nov 2001 | 11 Jun 2004 | British | 63 years |
| Karen Ann Frank | Director | 9 Apr 2020 | 1 Jun 2020 | American | 57 years |
| Kean Grive | Director | 8 Oct 2014 | 7 May 2015 | British | 59 years |
| Kenneth William Maynard | Director | 4 Mar 1996 | 23 Oct 1998 | British | 74 years |
| Konrad Xavier Kelling | Director | 31 Jul 2017 | 8 Dec 2019 | New Zealander,british | 50 years |
| Malcolm Vaughan Jones | Director | 18 Jun 2015 | 23 Mar 2018 | British | 59 years |
| Marc Richard Howells | Director | 5 Jul 2007 | 6 Mar 2008 | British | 60 years |
| Marc Stephen Page | Director | 7 May 2021 | 30 Nov 2023 | British | 52 years |
| Mark Harvey Ayrton Astbury | Director | 28 Apr 1994 | 4 Jun 1996 | British | 65 years |
| Mark Newbery | Director | 3 Mar 2023 | 23 Apr 2024 | British | 45 years |
| Michael John Britton | Director | 28 May 2015 | 31 Oct 2018 | British | 65 years |
| Michael Leonard Julian Grimes | Director | 9 Mar 1994 | 22 Mar 1994 | British | 60 years |
| Neil Andrew Radley | Director | 4 Jun 2009 | 17 Mar 2011 | British | 62 years |
| Paul Gerard Turner | Director | 22 Jun 2005 | 30 Jun 2006 | British | 61 years |
| Paul Noble | Director | 6 Aug 2009 | 4 Jul 2011 | British | 52 years |
| Peter Stuart Crook | Director | 19 May 2003 | 1 Mar 2005 | British | 62 years |
| Philip Christopher Mchugh | Director | 26 Mar 2010 | 5 Jul 2010 | British | 54 years |
| Richard David William Banks | Director | 25 Jan 2001 | 28 May 2004 | British | 81 years |
| Richard Francis Sommers | Director | 26 Jan 2004 | 12 Apr 2005 | British | 69 years |
| Richard Llewellyn Davies | Director | 22 Sept 2005 | 31 Jan 2007 | British | 60 years |
| Ronald Denholm | Director | 17 Mar 2011 | 29 Feb 2016 | British | 60 years |
| Samuel Robert Jones | Director | 25 Jan 2001 | 23 Nov 2004 | British | 83 years |
| Sarah-jayne O'donovan | Director | 20 Jan 2016 | 8 Dec 2019 | British | 55 years |
| Stephen Dowdells | Secretary | 25 Nov 1999 | 25 Jan 2001 | British | - |
| Stephen Fairbank | Director | 22 Mar 1994 | 4 Jun 1996 | British | 77 years |
| Susanne Miller | Director | 25 Jun 2010 | 27 Feb 2015 | American | 57 years |
| Syed Naseerul Hasan | Director | 7 Aug 2020 | 15 Feb 2021 | Pakistani | 53 years |
| Tim Carlier | Director | 13 Nov 2006 | 21 Jun 2007 | British | 59 years |
| Tjg Secretaries Limited | Corporate Secretary | 25 Jan 2001 | 19 May 2003 | United Kingdom | - |
| Wendy Mary Meikle | Director | 13 Nov 2006 | 15 Oct 2007 | British | 51 years |
| William Robert Thomson | Director | 13 Nov 2006 | 9 Jan 2009 | British | 62 years |