| Adrian Perry | Director | 11 Nov 1997 | 13 Nov 2018 | British | 67 years |
| Adrian Perry | Secretary | 12 May 1993 | 11 Nov 1997 | British | - |
| Charles James Francis Sinclair | Director | 4 Jan 1992 | 25 May 2004 | British | 78 years |
| John Peter Williams | Director | 4 Jan 1992 | 12 Feb 2003 | British | 73 years |
| John Peter Williams | Secretary | 4 Jan 1992 | 12 May 1993 | British | - |
| Mark Julius Alcock | Director | 24 Feb 1999 | 8 Jan 2008 | British | 73 years |
| Nicholas David De Burgh Jennings | Secretary | 18 Jan 2000 | 11 Jul 2000 | British | - |
| Nicholas Peter Hubble | Secretary | 11 Jul 2000 | 11 Oct 2002 | British | - |
| Shirley Georgina Michele Ryder | Secretary | 11 Nov 1997 | 18 Jan 2000 | British | - |
| Victoria Margaret Treherne | Secretary | 22 Feb 2008 | 29 Aug 2008 | British | - |
