| Adam Howard Winton | Director | 1 Nov 1996 | 10 Dec 1999 | British | 65 years |
| Andrew David Strang | Director | 4 Aug 1992 | 22 Jan 2008 | British | 73 years |
| Campbell David Flemng | Director | 1 Mar 2013 | 11 Feb 2015 | Australian | 62 years |
| Christopher John Morrogh | Director | 29 Jul 2009 | 5 Jul 2011 | British | 63 years |
| Crispin John Henderson | Director | 5 Jul 2011 | 28 Feb 2013 | British | 78 years |
| Daniel Ward | Director | 1 Aug 1994 | 1 Nov 2007 | British | 67 years |
| David Charles Parsons | Director | 31 May 1994 | 28 Apr 1995 | British | 70 years |
| Dennis John Noel Bowtle | Director | 4 Aug 1992 | 15 Oct 1993 | British | 89 years |
| Donald Jordison | Director | 8 Sept 1992 | 5 Jul 2011 | British | 66 years |
| James Mark Alexander Rigg | Director | 1 Dec 1999 | 5 Jul 2011 | British | 58 years |
| Jeremy Alexander James Fraser Burnett Rae | Director | 20 Feb 1995 | 6 Mar 1997 | British | 73 years |
| Jeremy Alexander James Fraser Burnett Rae | Secretary | 31 May 1994 | 6 Mar 1997 | British | - |
| John Marcus Willcock | Director | 25 Jul 2002 | 5 Jul 2011 | British | 63 years |
| Kenneth William Ballard Inglis | Director | 4 Aug 1992 | 29 Apr 1994 | British | 83 years |
| Leslie John Hart | Director | 5 Dec 1994 | 25 Jul 2000 | British | 78 years |
| Nicholas Alan Pearce | Director | 31 May 1994 | 30 Nov 2005 | British | 79 years |
| Nicholas John Kirk | Director | 29 Jan 1996 | 31 Mar 1999 | British | 73 years |
| Paul Victor Sant Manduca | Director | 21 May 1994 | 22 Feb 1999 | British | 75 years |
| Peter Charles Howe | Secretary | 4 Aug 1992 | 31 May 1994 | British | - |
| Philip James William Reed | Director | 5 Jul 2011 | 30 Jun 2014 | British | 64 years |
| Phillip Michael Brown | Director | 8 Sept 1992 | 5 Sept 1997 | British | 66 years |
| Robert Walter Allen | Director | 31 May 1994 | 24 Jul 2002 | British | 73 years |
| Roger Charles Clarke | Director | 1 Sept 1994 | 30 Sept 1996 | British | 71 years |
| Roger Charles Townsend | Director | 31 May 1994 | 15 Dec 1995 | British | 78 years |
| Timothy Nicholas Gillbanks | Director | 5 Jul 2011 | 31 Mar 2017 | British | 60 years |