| Alan Leslie Vosper | Director | 2 Sept 1993 | 22 Dec 2008 | British | 78 years |
| Alan Leslie Vosper | Secretary | 13 Sept 1991 | 22 Dec 2008 | British | - |
| Andrew Trace Allan Wates | Director | 13 Sept 1991 | 22 Jan 2001 | British | 86 years |
| Beverley Donald Lewis Wollard | Director | 13 Sept 1991 | 3 Sept 1993 | British | 92 years |
| David Huw Davies | Director | 1 Feb 2005 | 4 Jan 2016 | British | 70 years |
| David Huw Davies | Secretary | 22 Dec 2008 | 4 Jan 2016 | British | - |
| David Owen Allen | Director | 4 Jan 2016 | 16 Aug 2022 | British | 54 years |
| David Owen Allen | Secretary | 4 Jan 2016 | 3 Dec 2018 | - | - |
| Jonathan Charles Bennett Houlton | Director | 22 Jan 2001 | 1 Feb 2005 | British | 65 years |
| Timothy Andrew De Burgh Wates | Director | 22 Jan 2001 | 3 Feb 2025 | British | 60 years |
| William Cortis Gair | Director | 13 Sept 1991 | 31 Jan 1992 | British | 84 years |