| Alun Hughes | Director | 31 Aug 1992 | 18 Sept 1998 | British | 94 years |
| Anthony John Allsop | Director | 5 May 2005 | 17 Jul 2007 | British | 73 years |
| Anthony Peter Harold Peters | Director | 11 Aug 1997 | 1 May 2000 | British | 79 years |
| Charles Cedric Hollinsworth | Director | 18 Sept 1998 | 18 Aug 2000 | British | 78 years |
| Charles Novotny | Director | 31 Aug 1992 | 30 Jun 1997 | British | 88 years |
| Christopher Gordon Reynolds | Director | 30 Jun 1993 | 11 Aug 1997 | British | 73 years |
| Ciaran Anthony Kennedy | Director | 1 Nov 2006 | 30 Sept 2010 | Northern Irish | 61 years |
| Colin Vaughan Mcleod | Director | 22 Dec 2004 | 23 Sept 2009 | British | 76 years |
| David Anthony Hooper | Director | 13 Mar 2008 | 2 Jun 2009 | British | 61 years |
| David Connal Cather | Director | 1 May 2000 | 30 Sept 2006 | British | 67 years |
| Edmund Michael Reed | Director | 5 May 2005 | 30 Sept 2007 | British | 70 years |
| Elizabeth Helen Lyon | Director | 1 Dec 2016 | 31 Dec 2020 | British | 43 years |
| James Edward Brotherton | Director | 16 Mar 2021 | 3 Aug 2022 | British | 57 years |
| John Barlow | Director | 22 Dec 2004 | 5 May 2005 | British | 80 years |
| John Joseph Thomas Hewitt Glaves | Director | 31 Aug 1992 | 18 Sept 1998 | British | 88 years |
| John Michael Stuart Johnston | Director | 31 Aug 1992 | 22 Dec 2004 | British | 73 years |
| Kashyap Pandya | Director | 26 Apr 2004 | 22 Dec 2004 | British | 63 years |
| Malcolm Gibbins | Secretary | 6 May 2005 | 1 Nov 2006 | British | - |
| Marcus Rupert Hamson Jordan | Director | 15 Dec 1998 | 23 Apr 2004 | British | 69 years |
| Peter Francis Davenport | Director | 31 Aug 1992 | 30 Jun 1993 | British | 89 years |
| Philip Hugh James | Director | 18 Sept 1998 | 5 May 2005 | British | 79 years |
| Philip Hugh James | Director | 13 Mar 2008 | 2 Jun 2009 | British | 79 years |
| Robert Wood | Director | 31 Dec 2020 | 16 Mar 2021 | British | 60 years |
| Ross Edward Mcdonald | Director | 24 Aug 2007 | 1 Mar 2022 | British | 65 years |
| Ross Edward Mcdonald | Secretary | 1 Nov 2006 | 31 Dec 2020 | British | - |
| Stephen Sutton | Secretary | 31 Aug 1992 | 6 May 2005 | British | - |
| Timothy Charles Jackson | Director | 15 Dec 1998 | 1 May 2000 | British | 74 years |
| Timothy Conrad Langston Hall | Director | 1 May 2000 | 1 Nov 2006 | English | 73 years |
| Timothy John Billingham | Director | 13 Mar 2008 | 2 Jun 2009 | British | 46 years |
| Timothy John Billingham | Director | 30 Sept 2010 | 1 Dec 2016 | British | 46 years |
| Warren Stuart Hall | Director | 18 Aug 2000 | 1 Nov 2006 | British | 76 years |
| William Spurr | Director | 13 Mar 2008 | 18 Nov 2008 | British | 62 years |