| Andrew James William Telfer | Director | 23 Sept 2002 | 23 May 2008 | British | 59 years |
| Andrew James William Telfer | Director | 23 May 2008 | 1 Feb 2010 | British | 59 years |
| Andrew Richard Hill | Director | 13 Aug 1997 | 15 Aug 1997 | British | 68 years |
| Anne Elizabeth Lister | Secretary | 19 Apr 2007 | 31 Mar 2008 | British | - |
| Christopher Julian Sheridan | Director | 1 Jan 2005 | 23 May 2008 | British | 83 years |
| Christopher Julian Sheridan | Director | 31 May 2019 | 26 May 2023 | British | 83 years |
| Christopher Simon Durkin | Director | 31 Aug 2006 | 1 Apr 2009 | British | 63 years |
| Colin Enticknap | Director | 15 Aug 1997 | 23 May 2008 | British | 68 years |
| Colin Enticknap | Director | 1 Jan 2009 | 31 May 2024 | British | 68 years |
| David Frank Batchelor | Director | 1 Jan 2005 | 19 Feb 2008 | British | 77 years |
| David John Salkeld | Director | 30 Oct 2001 | 30 Apr 2002 | British | 68 years |
| Duncan Inglis Canney | Director | 30 Oct 2001 | 30 Apr 2002 | British | 74 years |
| Duncan Inglis Canney | Director | 23 May 2008 | 1 Apr 2009 | British | 74 years |
| Duncan Peter Forbes | Director | 17 May 2002 | 23 May 2008 | British | 76 years |
| Graham Simon Lowe | Secretary | 23 Feb 2005 | 19 Apr 2007 | British | - |
| John William Bayliss | Director | 13 Aug 1997 | 1 Jun 1999 | British | 92 years |
| Michael Anthony Latham | Director | 16 Jan 2003 | 19 Mar 2003 | British | 84 years |
| Michael Anthony Latham | Director | 23 May 2008 | 1 Apr 2009 | British | 84 years |
| Neil Foley Glasper | Director | 30 Oct 2001 | 30 Apr 2002 | British | 75 years |
| Richard John Willmott | Director | 15 Aug 1997 | 17 May 2002 | British | 63 years |
| Robert Charles Eyre | Secretary | 13 Aug 1997 | 31 Dec 2004 | British | - |
| Robert Charles Eyre | Secretary | 31 Mar 2008 | 20 Aug 2013 | British | - |
| Steven Ian Graham Dixon | Director | 30 Oct 2001 | 17 May 2002 | British | 63 years |
| Wendy Jane Churchill Coleman | Director | 30 Oct 2001 | 30 Apr 2002 | British | 68 years |
| Wendy Jane Churchill Coleman | Director | 16 Jan 2003 | 19 Mar 2003 | British | 68 years |
| Wendy Jane Churchill Coleman | Secretary | 30 Oct 2001 | 20 May 2005 | British | - |