| Averina Anita Snow | Director | 18 Nov 1999 | 1 Oct 2012 | British | 70 years |
| Charles Bennett Brown | Director | 1 Sept 2005 | 30 Sept 2006 | British | 60 years |
| Christine Anne Chandler | Nominee Director | 29 Apr 1991 | 9 Jul 1991 | British | 71 years |
| David John Brimacombe | Director | 19 Mar 2003 | 1 Sept 2005 | British | 68 years |
| Deborah Harvey | Director | 8 Feb 1999 | 3 Aug 2001 | British | 58 years |
| Deborah Harvey | Director | 3 Aug 2001 | 19 Sept 2003 | British | 58 years |
| Gaynor Jill Welch | Director | 9 Jul 1991 | 21 Apr 1995 | British | 70 years |
| Gaynor Jill Welch | Secretary | 9 Jul 1991 | 21 Apr 1995 | British | - |
| Gordon Andrew Bentley | Director | 21 Apr 1995 | 16 Apr 1997 | British | 67 years |
| Gordon Andrew Bentley | Director | 1 Dec 2000 | 19 Mar 2003 | British | 67 years |
| Gordon Andrew Bentley | Secretary | 21 Apr 1995 | 16 Apr 1997 | British | - |
| Ian Lawrence Sayers | Director | 16 Apr 1997 | 26 Jun 1998 | British | 64 years |
| Ian Lawrence Sayers | Secretary | 16 Apr 1997 | 20 Feb 1998 | British | - |
| Julie Bamford | Director | 19 Sept 2003 | 31 Dec 2009 | British | 70 years |
| Krishnakumar Narayanan Trichur | Director | 1 Oct 2012 | 13 Oct 2014 | Indian | 61 years |
| Lorraine Elizabeth Young | Director | 26 Jun 1998 | 3 Aug 2001 | British | 64 years |
| Martin Heathcote Hayman | Director | 4 Dec 1995 | 1 Dec 2000 | British | 84 years |
| Paul Anthony Edward Peter Bryan | Director | 9 Jul 1991 | 2 Mar 1992 | British | 76 years |
| Peter Allen Maule | Director | 2 Mar 1992 | 18 Nov 1999 | British | 79 years |
| Robert Arthur Reeve | Nominee Director | 29 Apr 1991 | 9 Jul 1991 | British | 95 years |
| Sandeep Kumar Jain | Director | 19 Oct 2006 | 1 Oct 2012 | Indian | 63 years |
| Terry Charles Skippen | Director | 3 Aug 2001 | 5 Nov 2012 | British | 74 years |
| Terry Charles Skippen | Secretary | 20 Feb 1998 | 6 Feb 2008 | British | - |
| Tim Lord | Director | 13 Oct 2014 | 19 Aug 2016 | British | 64 years |
| Trusec Limited | Corporate Nominee Secretary | 29 Apr 1991 | 9 Jul 1991 | United Kingdom | - |