| Barry Aubrey Anysz | Director | 24 May 1992 | 3 Jan 2007 | British | 77 years |
| Battye Wimpenny & Dawson Limited | Corporate Secretary | 24 May 1992 | 1 Mar 1999 | - | - |
| Christopher John Bates Broadbent | Director | 24 May 1992 | 23 Sept 1996 | British | 71 years |
| Iain William Hooley | Secretary | 20 Jul 2010 | 4 Oct 2010 | - | - |
| Jonathan Peter Wragg | Secretary | 30 Nov 2000 | 1 Apr 2007 | British | - |
| Kathy Cong | Secretary | 4 Oct 2010 | 5 Jul 2013 | - | - |
| Mark John Studdert Redmayne | Director | 4 Oct 2010 | 30 Aug 2012 | British | 78 years |
| Michael Hamer Burns | Director | 5 Nov 1998 | 31 Mar 2007 | British | 79 years |
| Michael John Dickinson | Director | 24 May 1992 | 30 Nov 2000 | British | 77 years |
| Michael John Dickinson | Secretary | 1 Mar 1999 | 30 Nov 2000 | British | - |
| Nicholas Curwen Williams | Director | 5 Nov 1998 | 1 Aug 2005 | British | 86 years |
| Paula Mary Watts | Secretary | 1 Apr 2007 | 20 Jul 2010 | British | - |
| Stephen Maclaurin Elliott | Director | 3 Jan 2007 | 1 Aug 2019 | South African | 72 years |