| Andrew Jonathan Townend | Director | 19 Sept 1991 | 20 Dec 1991 | British | 65 years |
| Brendon Raymond Cowen | Secretary | 13 Mar 2003 | 30 Nov 2005 | British | - |
| Christine Margaret Burrows | Secretary | 1 Mar 1995 | 19 Jun 1996 | British | - |
| Colin Bruce Weekley | Director | 27 Oct 1994 | 22 Dec 1995 | British | 80 years |
| Ian Constantinides | Director | 19 Sept 1991 | 10 Oct 2003 | British | 71 years |
| Ian Constantinides | Secretary | 2 Oct 1997 | 9 Mar 2001 | British | - |
| Julia Margaret Banbury | Secretary | 19 Sept 1991 | 28 Feb 1995 | British | - |
| Julia Margaret Marcham | Director | 19 Sept 1991 | 17 Nov 1992 | British | 90 years |
| Kevin John Pearson | Secretary | 26 Jun 2013 | 17 Apr 2025 | - | - |
| Miles Colin Shelley | Director | 30 Jun 2004 | 4 Sept 2018 | British | 65 years |
| Nicholas John Jones | Secretary | 19 Jun 1996 | 2 Oct 1997 | British | - |
| Patrick Hugh Walker Taylor | Director | 9 Mar 2004 | 30 Jun 2004 | British | 80 years |
| Piers Anthony De Waltham Denny | Director | 19 Sept 1991 | 31 Jan 1992 | British | 72 years |
| Robert Peter Walker | Secretary | 30 Nov 2005 | 26 Jun 2013 | British | - |
| Stephen John Gooch | Director | 19 Sept 1991 | 9 May 2003 | British | 70 years |
| Steven Knapton | Director | 9 May 2003 | 27 Jan 2014 | British | 68 years |
| Timothy Francis Reeve | Director | 1 Oct 1992 | 14 Jul 1995 | British | 81 years |
| William Thomas Reddaway | Director | 1 Oct 1992 | 13 Mar 2003 | British | 78 years |
| William Thomas Reddaway | Secretary | 9 Mar 2001 | 13 Mar 2003 | British | - |