| Andrew Christopher John Noble | Director | 31 Jul 2016 | 2 Mar 2017 | British | 65 years |
| Charles Edward Carlson | Director | 10 Sept 1996 | 1 Jul 1997 | American | 94 years |
| Eric Charles Burton | Director | 14 May 2007 | 31 Jan 2010 | British | 81 years |
| George William Mackellar | Director | 18 Jul 2000 | 12 May 2004 | British | 66 years |
| George William Mackellar | Director | 22 Apr 2005 | 14 Aug 2006 | British | 66 years |
| Gregory Richard Ayres | Director | 12 May 2004 | 28 May 2010 | British | 76 years |
| Jl Nominees One Limited | Corporate Nominee Director | 3 Sept 1996 | 3 Sept 1996 | United Kingdom | - |
| Jl Nominees Two Limited | Corporate Nominee Secretary | 3 Sept 1996 | 3 Sept 1996 | United Kingdom | - |
| John Anthony Wichall | Director | 25 May 2004 | 29 Jul 2005 | British | 82 years |
| Malcolm William Kennedy | Director | 10 Sept 1996 | 16 Apr 2003 | British | 91 years |
| Nicholas William John Flew | Director | 19 Jan 2010 | 31 Oct 2013 | British | 66 years |
| Nikolas William Weston | Secretary | 31 Oct 2013 | 31 Jan 2016 | - | - |
| Paul Cheesmond | Director | 1 Jul 1997 | 18 Jul 2000 | British | 76 years |
| Paul Richard Nagle Jr | Director | 10 Sept 1996 | 17 Nov 1998 | American | 81 years |
| Peter Turner Clark | Director | 31 Oct 2013 | 31 Jan 2017 | Scottish | 73 years |
| Richard James Proctor | Secretary | 7 Jan 2010 | 31 Oct 2013 | - | - |
| Robert Ian Maclean | Director | 31 Jul 2016 | 26 May 2017 | British | 67 years |
| Stanley John Embleton Davidson | Secretary | 10 Sept 1996 | 8 Jan 2010 | British | - |
| Stephen Derek Bingham | Director | 28 May 2010 | 31 Jul 2016 | British | 67 years |
| Timothy John Matthews | Director | 12 May 2004 | 15 May 2007 | British | 75 years |
| Vikram Rajaram Limaye | Director | 10 Sept 1996 | 28 Jan 1999 | American | 80 years |
| Wb Company Directors Limited | Corporate Director | 3 Sept 1996 | 10 Sept 1996 | United Kingdom | - |
| Wb Company Secretaries Limited | Corporate Secretary | 3 Sept 1996 | 10 Sept 1996 | United Kingdom | - |
| William Montgomerie Ritchie | Director | 16 Apr 2003 | 31 Dec 2006 | British | 82 years |