| Anthony Christopher Tann | Director | 10 Jan 2000 | 23 Oct 2002 | British | 59 years |
| Brian Arthur Barker | Director | 17 Apr 1991 | 21 Aug 2000 | British | 91 years |
| David James Bruce Coventry | Director | 26 May 2010 | 14 Jun 2017 | British | 74 years |
| Emily Clare Vinters | Director | 14 Jun 2017 | 26 Oct 2023 | British | 48 years |
| Frederick John Barker | Director | 17 Apr 1991 | 1 Apr 1992 | British | 102 years |
| Gerald William Victor Daniels | Secretary | 1 Dec 2010 | 30 Jul 2014 | - | - |
| John Terry Humphries | Director | 23 Oct 2002 | 31 Dec 2003 | British | 82 years |
| Robert George Russell Carter | Director | 17 Apr 1991 | 16 Feb 2011 | British | 73 years |
| Roy Arthur Burton | Director | 17 Mar 1999 | 26 May 2010 | British | 86 years |
| Trevor Munday | Secretary | 17 Apr 1991 | 1 Dec 2010 | British | - |