| Alan John Munro Barrie | Director | 1 Jan 2002 | 31 Dec 2004 | British | 67 years |
| Alwen Lyons | Director | 1 Jan 2005 | 1 Aug 2012 | British | 68 years |
| Anthony Michael Ferns | Director | 1 Apr 1997 | 19 Nov 2005 | British | 89 years |
| Brian Arthur Thomson | Director | 1 Apr 1997 | 31 Dec 2001 | British | 76 years |
| Catherine Hoseason Churchard | Director | 1 Jan 2002 | 31 Dec 2004 | British | 76 years |
| Chris Hogg | Secretary | 1 Jun 2013 | 1 Feb 2018 | - | - |
| David Macdonald Simpson | Director | 1 Apr 1997 | 31 Mar 2003 | British | 85 years |
| Derek George Hodgson | Director | 17 Apr 1997 | 31 Jul 2006 | British | 85 years |
| Geoffrey Max Lindey | Director | 9 Jun 2003 | 31 Mar 2018 | British | 83 years |
| Gerard Patrick Degaute | Secretary | 1 Apr 1997 | 31 May 2013 | British | - |
| Gordon Mackay Bagot | Director | 1 Jan 2005 | 1 Mar 2006 | British | 81 years |
| Graeme Cunningham | Director | 1 Apr 2003 | 31 Mar 2023 | British | 73 years |
| Hackwood Directors Limited | Corporate Nominee Director | 11 Sept 1996 | 21 Mar 1997 | United Kingdom | - |
| Hackwood Secretaries Limited | Corporate Nominee Secretary | 11 Sept 1996 | 21 Mar 1997 | United Kingdom | - |
| Jane Newell | Director | 1 Jan 2005 | 30 Sept 2012 | British | 82 years |
| Jonathan Evans | Director | 1 Apr 1997 | 31 Dec 2001 | British | 74 years |
| Jonathan Evans | Director | 1 Jan 2005 | 31 Dec 2013 | British | 74 years |
| Kevin Shaw | Director | 1 Apr 1997 | 30 Sept 2008 | British | 80 years |
| Lord Clarke | Director | 1 Apr 1997 | 17 Apr 1997 | British | 94 years |
| Maria Luisa Cassoni | Director | 1 Feb 2001 | 31 Dec 2005 | British | 75 years |
| Martin David Gafsen | Director | 1 Mar 2006 | 30 Sept 2012 | British | 65 years |
| Matthew Ian Pearson | Director | 1 Dec 2020 | 18 Mar 2022 | British | 46 years |
| Philip Browne | Director | 1 Oct 2008 | 30 Sept 2024 | British | 68 years |
| Philip Edward Sellers | Director | 1 Apr 1997 | 10 Jun 1998 | British | 89 years |
| Richard Charles Close | Director | 1 Apr 1997 | 6 Apr 2000 | British | 77 years |
| Richard Neal Travers | Director | 1 Apr 2014 | 30 Sept 2018 | British | 59 years |
| Richard Owen Law-deeks | Secretary | 1 Feb 2018 | 1 Jul 2024 | - | - |
| Robert Arthur Wilde | Director | 1 Apr 2006 | 30 Sept 2012 | British | 75 years |
| Roy John Chapman | Director | 1 Apr 1997 | 31 Dec 2004 | British | 90 years |
| Susannah Parden | Director | 1 Oct 2018 | 13 Nov 2020 | British | 61 years |
| Terence Gordon Arthur | Director | 11 Jun 1998 | 30 Jun 2004 | British | 86 years |
| William Flaherty | Director | 1 Apr 1997 | 31 Mar 2003 | British | 90 years |