| Charles Neville Rupert Atkin | Director | 11 Oct 2001 | 13 May 2019 | British | 68 years |
| Christopher Henry Bruce Honeyborne | Director | 26 Sept 1994 | 1 Dec 1994 | British | 86 years |
| David Martin Slade | Director | 26 Sept 1994 | 8 Feb 2002 | British | 86 years |
| David William Haigh | Director | 31 Mar 1995 | 15 Sept 1997 | British | 86 years |
| Jane Sarah Clouting | Secretary | 26 Sept 1994 | 30 Sept 2018 | British | - |
| Jeremy Hugh Venton | Director | 27 May 1994 | 9 Mar 1998 | British | 78 years |
| Michael Christopher Wyatt | Secretary | 27 May 1994 | 26 Sept 1994 | British | - |
| Peter Harry Cowell | Director | 25 May 1999 | 30 Jun 2000 | British | 78 years |
| Robert Irvin Stansbury | Director | 26 Sept 1994 | 12 Dec 1997 | British | 72 years |
| Todd Joseph Hess | Director | 4 May 1999 | 1 Oct 2001 | American | 65 years |