| Andrew James Dench | Director | 15 Jun 2012 | 31 Dec 2013 | British | 57 years |
| Arthur Edward Allen | Director | 25 Aug 1991 | 25 Aug 1993 | British | 71 years |
| Arthur Edward Allen | Secretary | 25 Aug 1991 | 7 Jul 1992 | British | - |
| David Andrew Gerrard | Director | 12 Sept 2014 | 30 Jun 2021 | British | 62 years |
| David Poynton | Director | 25 Aug 1991 | 8 Jun 1994 | British | 82 years |
| Duncan John Lucas Bates | Director | 29 Jul 1998 | 24 Jun 2009 | British | 68 years |
| Duncan John Lucas Bates | Secretary | 31 Mar 1997 | 30 Nov 2003 | British | - |
| George Watson Muir | Director | 28 Jun 1994 | 29 Jul 1998 | British | 83 years |
| Gordon Carr | Director | 4 Sept 1992 | 8 Jun 1994 | British | 80 years |
| Graham Hugh Cornfield | Director | 27 Nov 1991 | 14 Mar 1992 | British | 82 years |
| John Charles Taylor | Director | 25 Aug 1991 | 15 May 1993 | British | 77 years |
| Joseph Bernard Mangion | Director | 5 Sept 1996 | 30 Nov 2003 | British | 68 years |
| Keith Robert Hunter | Director | 19 Aug 1992 | 7 Apr 1997 | British | 77 years |
| Keith Robert Jameson | Secretary | 17 Jul 1995 | 31 Mar 1997 | British | - |
| Keith Robert Jameson | Secretary | 30 Nov 2003 | 24 Jun 2009 | British | - |
| Mary Rosina Young | Director | 19 Aug 1992 | 7 Apr 1997 | British | 78 years |
| Mary Rosina Young | Secretary | 7 Jul 1992 | 17 Jul 1995 | British | - |
| Michael Joseph Edward Butcher | Director | 24 Jun 2009 | 30 Apr 2012 | British | 75 years |
| Michael Joseph Edward Butcher | Secretary | 24 Jun 2009 | 30 Apr 2012 | British | - |
| Neil Stewart Sandiford | Director | 25 Aug 1991 | 9 Dec 1996 | British | 79 years |
| Peter Anthony Clarke Ward | Director | 25 Aug 1991 | 14 Mar 1992 | British | 82 years |
| Rees Griffiths | Director | 28 Jun 1994 | 5 Sept 1996 | British | 79 years |
| Richard Antoine Bienfait | Director | 24 Jun 2009 | 15 Jun 2012 | British | 59 years |
| Stanley Frank Griffiths | Director | 25 Aug 1991 | 19 Nov 1991 | British | 84 years |
| Stephen Michael Prince | Director | 25 Aug 1991 | 14 Mar 1992 | British | 74 years |
| Stephen Michael Prince | Director | 19 Aug 1992 | 7 Dec 1994 | British | 74 years |
| Wendy Irene Hay | Director | 6 Jan 2014 | 1 Dec 2014 | British | 55 years |