| Darren Christer Boden | Secretary | 1 Jun 2005 | 17 Dec 2012 | British | - |
| David Sidney Fordham | Director | 25 Nov 2008 | 17 Dec 2012 | British,german | 73 years |
| Gary Thomas Matthews | Director | 8 Apr 2006 | 25 Nov 2008 | British | 71 years |
| Graham Herbert | Director | 9 Dec 1994 | 7 May 1999 | British | 83 years |
| Jacqueline Roma Bannister | Director | 9 Dec 1994 | 31 May 2005 | British | 72 years |
| Jacqueline Roma Bannister | Secretary | 9 Dec 1994 | 31 May 2005 | British | - |
| James Black | Director | 9 Dec 1994 | 7 Apr 2006 | British | 80 years |
| John Bernard Taylor | Director | 25 Dec 1991 | 7 Mar 2002 | British | 86 years |
| Julian Peter Knell | Director | 9 Dec 1994 | 11 Jun 2007 | British | 75 years |
| Michael Roger Jarman | Director | 25 Dec 1991 | 9 Dec 1994 | British | 82 years |
| Michael Roger Jarman | Secretary | 25 Dec 1991 | 9 Dec 1994 | British | - |
| Peter David Atkins | Director | 25 Dec 1991 | 5 Sept 2002 | British | 86 years |
| Richard William Hourd Cartwright | Director | 25 Dec 1991 | 9 Dec 1994 | British | 88 years |
| Robert Peter Richard Iliffe | Director | 17 Dec 2012 | 31 Jul 2015 | British | 82 years |
| Timothy Bishop | Director | 29 Aug 2000 | 18 Jul 2003 | British | 70 years |
| Timothy Denis Morris | Director | 9 Dec 1994 | 16 Feb 1996 | British | 91 years |
| Wendy Davinia Buckley | Director | 25 Dec 1991 | 21 Sept 1998 | British | 82 years |