| Adam Paul Lishman | Director | 1 May 2020 | 23 Dec 2020 | British | 45 years |
| Anne-marie Coulson | Director | 3 Sept 2018 | 29 Jan 2021 | British | 42 years |
| Christopher Smith | Secretary | 16 Oct 1998 | 30 Dec 2000 | British | - |
| Curt John Hess | Director | 1 Dec 2008 | 18 Jan 2010 | Other | 62 years |
| Dale Edward Roskom | Director | 21 Oct 2004 | 2 Nov 2005 | American | 69 years |
| Daniel Thomas Phillips | Director | 14 Aug 1997 | 16 Oct 1998 | American | 77 years |
| Eric Craig Green | Director | 14 Aug 1997 | 16 Oct 1998 | American | 72 years |
| Erik James Porter | Director | 29 Aug 2013 | 31 Dec 2013 | American | 48 years |
| Filbuk (secretaries) Limited | Corporate Secretary | 10 Feb 1997 | 26 Jun 1998 | United Kingdom | - |
| Filbuk Nominees Limited | Corporate Director | 10 Feb 1997 | 11 Apr 1997 | United Kingdom | - |
| Frederic Nze | Director | 24 Feb 2003 | 19 Apr 2004 | French | 58 years |
| Gregory Richard Davis | Director | 1 May 2020 | 26 Feb 2021 | British | 47 years |
| Iain David Smith | Director | 16 Oct 1998 | 31 Mar 2003 | British | 74 years |
| Jeremy John Masding | Director | 27 Nov 2003 | 19 Dec 2006 | British | 61 years |
| Jeremy Takle | Director | 4 Jul 2008 | 1 Dec 2008 | British | 56 years |
| John France | Director | 14 Aug 1997 | 15 Oct 1998 | British | 96 years |
| John Keith Coulter | Director | 18 Aug 2005 | 21 Jun 2006 | American | 64 years |
| Kean Grive | Director | 8 Oct 2014 | 7 May 2015 | British | 60 years |
| Malcolm Vaughan Jones | Director | 1 Apr 2015 | 23 Mar 2018 | British | 60 years |
| Marc Stephen Page | Director | 14 Jul 2021 | 26 Feb 2024 | British | 53 years |
| Mark Allan Robins | Director | 2 Jun 2004 | 15 Jun 2007 | British | 61 years |
| Mark Maconachie | Director | 15 Mar 2018 | 7 May 2020 | British | 53 years |
| Mark Newbery | Director | 6 Nov 2017 | 4 May 2020 | British | 46 years |
| Matthew Howells | Director | 18 Sept 2012 | 31 Aug 2013 | British | 48 years |
| Michael Alan Woodall | Director | 16 Oct 1998 | 25 Feb 2000 | British | 79 years |
| Neil Andrew Radley | Director | 20 Jun 2007 | 16 Mar 2011 | British | 63 years |
| Neville Robert Allport | Director | 11 Apr 1997 | 31 Dec 2003 | British | 87 years |
| Oliver John White | Director | 28 Jun 2011 | 18 Feb 2014 | British | 58 years |
| Paul Austin Raymond | Director | 20 Jan 2000 | 18 Jul 2002 | British | 80 years |
| Paul Gerard Turner | Director | 21 Oct 2004 | 30 Jun 2006 | British | 62 years |
| Paul Noble | Director | 9 Sept 2008 | 31 Jul 2011 | British | 53 years |
| Peter Stuart Crook | Director | 19 Apr 2004 | 1 Mar 2005 | British | 63 years |
| Philip Christopher Mchugh | Director | 26 Mar 2010 | 5 Jul 2010 | British | 55 years |
| Phillip Elfed Jones | Director | 26 Jun 1998 | 30 Nov 1999 | British | 71 years |
| Phillip Elfed Jones | Secretary | 26 Jun 1998 | 16 Oct 1998 | British | - |
| Richard Francis Sommers | Director | 19 Apr 2004 | 9 Nov 2004 | British | 70 years |
| Robert John Moss | Director | 28 Jun 2011 | 17 Jul 2012 | British | 54 years |
| Robert Mark Swartz | Director | 14 Aug 1997 | 16 Oct 1998 | American | 74 years |
| Ronald Denholm | Director | 18 Feb 2014 | 29 Feb 2016 | British | 61 years |
| Sharon Jane Manikon | Director | 1 Apr 2015 | 7 Nov 2017 | British | 52 years |
| Sian Mcdermott | Director | 2 Oct 2006 | 12 Oct 2007 | British | 55 years |
| Simon Nicholas Lewis Woolcott | Director | 16 Oct 1998 | 20 Jan 2000 | British | 70 years |
| Soo Jung Green | Director | 4 Jan 2007 | 27 Feb 2008 | American | 58 years |
| Susanne Miller | Director | 25 Jun 2010 | 22 May 2013 | American | 58 years |
| Susanne Miller | Director | 1 Dec 2013 | 27 Feb 2015 | American | 58 years |
| William Michael Mccabe | Director | 6 Nov 2017 | 23 Aug 2018 | Australian | 68 years |