| Andrew Christopher Bolter | Director | 30 Jun 2003 | 1 Dec 2005 | British | 55 years |
| Benjamin John Guyatt | Director | 13 Jun 2008 | 1 Jun 2011 | British | 50 years |
| Bernard John Manning | Director | 12 May 1994 | 4 Apr 1997 | British | 86 years |
| Carsten Matthias Wendt | Director | 1 Dec 2016 | 26 Oct 2021 | German | 49 years |
| Christian Leclercq | Director | 2 Jun 2008 | 31 Mar 2010 | Belgian | 60 years |
| David John Egan | Director | 1 Jun 2007 | 16 Jun 2008 | British | 58 years |
| David Jonathan Clarke | Director | 1 Jun 2011 | 1 Dec 2016 | British | 51 years |
| Dh & B Directors Limited | Corporate Nominee Director | 28 Feb 1994 | 12 May 1994 | - | - |
| Dh & B Managers Limited | Corporate Nominee Director | 28 Feb 1994 | 12 May 1994 | - | - |
| Geoffrey Raymond Kleemann | Director | 12 May 1994 | 31 Dec 1994 | Australian | 76 years |
| Graham Dransfield | Director | 7 Nov 2000 | 30 Jun 2008 | British | 74 years |
| Graham Dransfield | Secretary | 10 Dec 2007 | 30 Jun 2008 | British | - |
| Gray's Inn Secretaries Limited | Corporate Nominee Secretary | 28 Feb 1994 | 12 May 1994 | - | - |
| James Kenneth White | Secretary | 12 May 1994 | 31 Oct 2000 | British | - |
| John Marlay | Director | 1 Aug 1997 | 7 Nov 2000 | Australian | 76 years |
| Justin Richard Read | Director | 7 Nov 2000 | 30 Jun 2003 | British | 64 years |
| Kenneth John Ludlam | Director | 7 Nov 2000 | 30 Jun 2003 | British | 82 years |
| Nicholas Swift | Director | 4 Apr 1997 | 7 Nov 2000 | British | 61 years |
| Nicholas Swift | Director | 30 Jun 2003 | 1 Jun 2007 | British | 61 years |
| Norman John Nolan | Director | 12 May 1994 | 4 Apr 1997 | British | 83 years |
| Paul Derek Tunnacliffe | Secretary | 31 Oct 2000 | 10 Dec 2007 | British | - |
| Richard Robert Gimmler | Director | 13 Jun 2008 | 30 Dec 2009 | British | 58 years |
| Robert George Elstone | Director | 9 Jan 1995 | 16 May 2000 | British | 72 years |
| Roger Thomas Virley Tyson | Secretary | 31 Jul 2008 | 10 Mar 2016 | British | - |
| Ruth Coulson | Director | 1 Dec 2005 | 20 Jun 2008 | Australian | 52 years |
| Seyda Pirinccioglu | Director | 19 Jul 2010 | 31 Aug 2013 | Turkish | 54 years |
| Thomas Bernard Manning Holcroft | Director | 12 May 1994 | 30 Jan 1998 | British | 78 years |