| Andrew Edward Rose | Director | 27 Mar 1992 | 7 May 2002 | British | 75 years |
| Anthony William Merricks | Director | 27 Mar 1992 | 11 Mar 1998 | British | 85 years |
| David Gareth Fison | Director | 27 Mar 1992 | 16 Apr 1996 | British | 74 years |
| David William Edward Gardner | Director | 1 Nov 1995 | 31 Mar 1998 | British | 89 years |
| Donald Gibson Walker | Director | 1 Nov 1995 | 1 Dec 1998 | English | 79 years |
| Douglas Michael Cort | Director | 1 Nov 1995 | 1 Dec 1998 | British | 78 years |
| Ewan Thomas Anderson | Director | 28 Aug 2014 | 14 Apr 2015 | British | 60 years |
| Gregory William Mutch | Secretary | 1 Feb 2013 | 30 Sept 2015 | - | - |
| Haro Moushegh Bedelian | Director | 27 Mar 1992 | 19 Jan 1996 | British | 83 years |
| John Christopher Hester | Director | 1 Feb 1997 | 29 Sept 2006 | American | 85 years |
| Mark Andrews | Director | 1 Jan 1996 | 1 Feb 1997 | British | 67 years |
| Michael John Colin Milton | Secretary | 21 Mar 1997 | 18 Aug 1997 | British | - |
| Michael William Welton | Director | 27 Mar 1992 | 31 Dec 1997 | British | 80 years |
| Paul Edward Cochiese Ferguson | Secretary | 1 Jan 1995 | 21 Mar 1997 | British | - |
| Peter John Leach | Director | 2 Apr 1996 | 16 Feb 2004 | British | 78 years |
| Peter John Steckelmacher | Director | 27 Mar 1992 | 30 Apr 2001 | British | 78 years |
| Peter John Steckelmacher | Secretary | 27 Mar 1992 | 1 Jan 1995 | British | - |
| Peter Mark Robinson | Director | 2 Feb 1995 | 2 Apr 1996 | British | 79 years |
| Philip Hugh Morris | Secretary | 18 May 1997 | 1 Feb 2012 | British | - |
| Simon Charles Kirkpatrick | Director | 14 Apr 2015 | 14 Jun 2019 | British | 48 years |
| Stephen Jagger | Director | 1 Nov 1995 | 30 Apr 2001 | British | 72 years |
| Walter Eric Clifford | Director | 27 Mar 1992 | 1 Apr 1999 | British | 91 years |
| Warwick Anthony Evans | Director | 27 Mar 1992 | 30 Apr 2001 | British | 87 years |
| William Jonathan Dale | Director | 1 Nov 1995 | 7 Feb 1997 | British | 72 years |
| William Paul Matthews | Director | 1 Nov 1995 | 7 Apr 1998 | British | 76 years |