| Arthur Mcquillan | Director | 8 Jun 1992 | 30 Jun 1994 | British | 92 years |
| Barrie Leslie Logan | Director | 8 Jun 1992 | 30 Jun 1994 | British | 86 years |
| Christopher Laskey Fidler | Director | 31 Aug 2009 | 22 Jul 2016 | British | 71 years |
| Christopher Laskey Fidler | Secretary | 16 Jun 2009 | 31 Aug 2009 | British | - |
| Colin Fellowes | Secretary | 8 Jun 1992 | 16 Jun 2009 | British | - |
| Colin Stewart Orrell | Director | 8 Jun 1992 | 31 Dec 1992 | British | 82 years |
| David John Baughen | Director | 8 Jun 1992 | 30 Jun 1994 | British | 75 years |
| David Philip Mardinor Harris | Director | 8 Jun 1992 | 30 Jun 1994 | British | 82 years |
| David Robson | Director | 1 Sept 1995 | 31 Oct 1995 | British | 81 years |
| Dennis Clark | Director | 8 Jun 1992 | 30 Jun 1994 | British | 79 years |
| Helen Morrell | Secretary | 4 Dec 2015 | 22 Feb 2017 | - | - |
| Hubertus Antonio Cecilia Maria Hermans | Director | 1 Jan 1993 | 29 Apr 1994 | Dutch | 85 years |
| Jennifer Ann Warburton | Director | 22 Jul 2016 | 16 Feb 2018 | British | 57 years |
| Jennifer Ann Warburton | Secretary | 22 Feb 2017 | 16 Feb 2018 | - | - |
| John William Griffiths | Director | 8 Jun 1992 | 30 Jun 1994 | British | 81 years |
| Kim Andrea Hand | Secretary | 31 Aug 2009 | 4 Dec 2015 | British | - |
| Maurice Bell | Director | 8 Jun 1992 | 30 Jun 1994 | British | 89 years |
| Maurice Bell | Director | 9 Jan 1995 | 1 Apr 1996 | British | 89 years |
| Nigel James Maxwell Davies | Director | 30 Jun 1994 | 15 Sept 1995 | British | 72 years |
| Peter James Holland | Director | 1 Jan 2009 | 31 Aug 2009 | British | 79 years |
| Robert Graham Wilson | Director | 8 Jun 1992 | 30 Jun 1994 | British | 82 years |
| Robert Graham Wilson | Director | 11 Jun 1996 | 1 Jan 2009 | British | 82 years |
| Ronald Frederick Turner | Director | 8 Jun 1992 | 30 Apr 1998 | British | 78 years |
| William George Setter | Director | 30 Nov 2017 | 21 Mar 2025 | British | 51 years |