| Adrian Bird | Director | 1 Apr 2007 | 30 Sept 2010 | British | 78 years |
| Alexander Ian Macgregor | Secretary | 22 Dec 1992 | 13 Dec 1996 | British | - |
| Andrew Cossar | Secretary | 1 Feb 2012 | 17 Sept 2012 | - | - |
| Cmh Directors Limited | Corporate Nominee Director | 8 Aug 1992 | 22 Dec 1992 | United Kingdom | - |
| Cmh Secretaries Limited | Corporate Nominee Director | 8 Aug 1992 | 22 Dec 1992 | United Kingdom | - |
| Cmh Secretaries Limited | Corporate Nominee Secretary | 8 Aug 1992 | 22 Dec 1992 | United Kingdom | - |
| Dianne Hayter | Secretary | 13 Dec 1996 | 30 Jul 1999 | British | - |
| Dominic Cadbury | Director | 8 Mar 2000 | 30 Apr 2006 | British | 85 years |
| Eleanor Boddington | Secretary | 29 Apr 2016 | 20 Oct 2016 | - | - |
| Eleanor Nancie Boddington | Director | 29 Apr 2016 | 20 Oct 2016 | British | 57 years |
| James Julian Bennett Jack | Director | 11 May 1994 | 31 Mar 2004 | New Zealand | 89 years |
| John Gillespie Stewart | Secretary | 30 Jul 1999 | 31 Jan 2012 | Usa | - |
| Kay Elizabeth Davies | Director | 1 Oct 2013 | 30 Sept 2015 | English | 74 years |
| Martin Bobrow | Director | 1 Apr 2004 | 31 Mar 2007 | British | 87 years |
| Peter William Jack Rigby | Director | 1 Oct 2010 | 30 Sept 2013 | British | 78 years |
| Roger Geoffrey Gibbs | Director | 22 Dec 1992 | 31 Dec 1999 | British | 91 years |
| Susan Jean Wallcraft | Secretary | 17 Sept 2012 | 29 Apr 2016 | - | - |
| Susan Jean Wallcraft | Director | 1 Oct 2015 | 29 Apr 2016 | British | 59 years |
| Timothy James Livett | Director | 1 Oct 2015 | 31 Dec 2018 | British | 63 years |
| William Martin Castell | Director | 1 May 2006 | 30 Sept 2015 | British | 78 years |
| William Stanley Peart | Director | 22 Dec 1992 | 31 Mar 1994 | British | 103 years |