| Colin Angus Vincent | Director | 24 Jan 1997 | 10 Oct 2003 | Scottish | 88 years |
| David John Corner | Director | 10 Oct 2003 | 4 Sept 2006 | British | 79 years |
| Edward Davidson Murray | Director | 5 Jul 2002 | 10 Jun 2005 | British | 75 years |
| Ian Macfarlane Wright | Secretary | 31 Jan 1994 | 29 Jun 2007 | British | - |
| James Richard Maccallum | Director | 31 Jan 1994 | 24 Jan 1997 | British | 70 years |
| John Frederick Matthews | Director | 5 Jul 2002 | 18 Nov 2005 | British | 89 years |
| Keith Mark Brown | Director | 29 Jun 2007 | 30 Jun 2009 | British | 69 years |
| Mark Butler | Director | 4 Sept 2006 | 29 Jun 2007 | British | 65 years |
| Mark Butler | Secretary | 29 Jun 2007 | 22 Nov 2007 | British | - |
| Quill Form Limited | Corporate Nominee Director | 1 Nov 1991 | 31 Jan 1994 | United Kingdom | - |
| Quill Serve Limited | Corporate Nominee Director | 1 Nov 1991 | 31 Jan 1994 | United Kingdom | - |
| Quill Serve Limited | Corporate Nominee Secretary | 1 Nov 1991 | 31 Jan 1994 | United Kingdom | - |
| Roger Gary Smith | Director | 6 Jun 1995 | 29 Jun 2014 | British | 73 years |
| Ronald Allen Piper | Secretary | 22 Nov 2007 | 30 Sept 2013 | United States | - |
| Roy Alexander Drummond | Secretary | 1 Oct 2013 | 30 Sept 2023 | - | - |
| Stephen Robert Magee | Director | 30 Jun 2009 | 31 Jul 2013 | British | 73 years |
| Struther Arnott | Director | 31 Jan 1994 | 10 Dec 1999 | British | 92 years |