| Alan Alexander Bryce | Director | 11 Jun 2004 | 16 Oct 2006 | British | 66 years |
| Alistair Orr | Secretary | 31 Dec 2014 | 22 Sept 2024 | - | - |
| Andrew Aitchison Speak | Director | 19 Dec 2002 | 16 Apr 2003 | British | 70 years |
| Andrew Aitchison Speak | Director | 26 Jun 2003 | 1 Jun 2004 | British | 70 years |
| Andrew John Mcleod | Director | 22 Dec 2003 | 1 Jun 2004 | British | 83 years |
| Annabel Lucy Moult | Secretary | 15 Feb 2002 | 19 Dec 2002 | British | - |
| Charles Andrew Berry | Director | 11 Jun 2004 | 6 Sept 2005 | British | 74 years |
| Charles Brown 111 | Director | 26 Jan 1998 | 12 Apr 1999 | American | 79 years |
| Charles William Reynard | Director | 22 Jan 2007 | 30 Sept 2007 | British | 66 years |
| Clifford Kenneth Stanley | Director | 19 Dec 2002 | 1 Jun 2004 | British | 67 years |
| Cynthia Dyer | Director | 13 Sept 1999 | 21 May 2001 | American | 62 years |
| David Alan Stoner | Director | 26 Jan 1998 | 8 Apr 2000 | American | 65 years |
| David Neil Morrison | Director | 11 Jun 2004 | 31 Jan 2008 | British | 68 years |
| Donald James Mcpherson | Secretary | 11 Jun 2004 | 30 Jun 2006 | British | - |
| Douglas Andrew Ness | Director | 30 Jul 2019 | 30 Mar 2022 | British | 49 years |
| Frank Mitchell | Director | 23 Apr 2007 | 1 Oct 2009 | British | 62 years |
| Frederick Francis Nugent | Director | 31 Jul 1998 | 19 Dec 2002 | American | 81 years |
| Geoffrey Roberts | Director | 27 Aug 1999 | 21 Aug 2000 | American | 66 years |
| Gerald D Mcinvale | Director | 1 Sept 1997 | 24 Nov 1997 | American | 83 years |
| Gerritt L Ewing | Director | 7 Dec 1998 | 27 Aug 1999 | American | 74 years |
| Hamid Fatemi | Director | 27 Aug 1999 | 25 Sept 2001 | British | 73 years |
| Heather Chalmers White | Director | 30 Sept 2007 | 31 Jan 2019 | British | 62 years |
| Hugh Ogg Finlay | Director | 1 Oct 2009 | 30 Sept 2016 | British | 65 years |
| Ian Kerr Mcneill | Secretary | 14 Dec 1997 | 12 Dec 1998 | British | - |
| James Stanley | Director | 1 Jun 2004 | 11 Jun 2004 | British | 72 years |
| John Alexander Campbell | Director | 11 Jun 2004 | 31 Aug 2011 | British | 60 years |
| John Bruce Stewart | Director | 27 Aug 1999 | 5 Dec 2001 | Canadian | 86 years |
| John Glyn Evans | Director | 6 Mar 1992 | 23 Dec 1993 | British | 91 years |
| Jonathan Long | Director | 14 Sept 2001 | 19 Dec 2002 | American | 66 years |
| Lawgram Secretaries Limited | Corporate Nominee Secretary | 31 Dec 1991 | 6 Mar 1992 | United Kingdom | - |
| Marc Aron | Secretary | 12 Dec 1998 | 20 Dec 1998 | American | - |
| Marie Isobel Ross | Secretary | 26 Oct 2007 | 7 Jan 2011 | British | - |
| Mark Clayton Clarke | Director | 31 Jul 1998 | 13 Sept 1999 | American | 70 years |
| Michael Greenwood Thompson | Director | 1 Sept 1997 | 1 Apr 1998 | American | 86 years |
| Michael Greenwood Thompson | Secretary | 1 Sept 1997 | 14 Dec 1997 | American | - |
| Michael Howard Davies | Secretary | 7 Jan 2011 | 31 Dec 2014 | British | - |
| Michael Matthew Godfray Voisin | Director | 1 Nov 1993 | 1 Sept 1997 | British | 87 years |
| Michael Phillip Childers | Director | 21 Aug 2000 | 19 Dec 2002 | American | 65 years |
| Mungo Conner | Director | 6 Mar 1992 | 1 Nov 1993 | British | 76 years |
| Nicholas Spencer Turner | Nominee Director | 31 Dec 1991 | 6 Mar 1992 | British | 65 years |
| Oscar Fortis Pita | Director | 23 Jan 2012 | 4 Oct 2022 | Spanish | 56 years |
| Philip Henry Smith | Director | 22 Dec 2003 | 1 Jun 2004 | British | 80 years |
| Rhona Gregg | Secretary | 30 Jun 2006 | 26 Oct 2007 | British | - |
| Robert Arthur Benns | Director | 11 Jun 2004 | 16 Aug 2004 | British | 58 years |
| Robert John Cushman | Director | 26 Jan 1998 | 16 Mar 1998 | American | 78 years |
| Robert John Cushman | Director | 2 Apr 2000 | 2 Apr 2000 | American | 78 years |
| Robert Joseph Moore | Director | 27 Aug 1999 | 4 Dec 2001 | American | 75 years |
| Stanley A Ross | Director | 21 May 2001 | 19 Dec 2002 | American | 76 years |
| Stephen Gareth Brett | Director | 4 Dec 2001 | 19 Dec 2002 | British | 68 years |
| Stephen James Palmer Crisp | Secretary | 19 Dec 2002 | 1 Jun 2004 | British | - |
| Susan Mary Reilly | Director | 1 Jun 2004 | 11 Jun 2004 | British | 65 years |
| Susan Mary Reilly | Secretary | 1 Jun 2004 | 11 Jun 2004 | British | - |
| Terry L Ogletree | Director | 1 Sept 1997 | 24 Nov 1997 | American | 83 years |
| Volaw Trust & Corporate Services Limited | Corporate Secretary | 6 Mar 1992 | 1 Sept 1997 | - | - |