| Andrew Mcleod Brooks Large | Director | 26 Apr 2001 | 11 Nov 2002 | British | 84 years |
| Bruce John Alexander Hutt | Director | 27 Feb 2006 | 20 Feb 2008 | British | 61 years |
| Christopher John Shead | Director | 21 Feb 2012 | 8 Jan 2014 | British | 47 years |
| Colin Everett Lees Millais | Secretary | 1 Mar 1992 | 20 Aug 2009 | British | - |
| Colin Everett Lees-millais | Director | 1 Mar 1992 | 12 Sept 2020 | British | 69 years |
| Edward John Daniels | Director | 14 Nov 2011 | 12 Nov 2019 | British | 53 years |
| Edwin Philip Chappell | Director | 1 Mar 1992 | 7 May 1993 | British | 97 years |
| Ian James Sinclair Henderson | Director | 14 May 1997 | 30 Sept 1999 | British | 93 years |
| John Dudley Webster | Director | 1 Dec 1992 | 23 Dec 1996 | British | 87 years |
| John Michael Pickard | Director | 1 Dec 1992 | 31 Dec 1994 | British | 94 years |
| Laurence Henry Philip Magnus | Director | 4 Jul 1997 | 21 May 2018 | British | 71 years |
| Michael Russel Rendle | Director | 1 Mar 1992 | 29 Nov 2010 | British | 95 years |
| Oliver Routledge | Secretary | 20 Aug 2009 | 30 Jun 2010 | British | - |
| Richard Crosbie Dawson | Director | 1 Mar 1992 | 12 Sept 2020 | British | 74 years |
| Richard John Stafford Bucknall | Director | 13 Feb 2007 | 21 May 2018 | British | 78 years |
| Robert James Rickman | Director | 1 Mar 1992 | 30 Sept 1999 | British | 69 years |
| Robert William Blackburn Daniell | Director | 27 Jul 2005 | 14 Sept 2005 | British | 70 years |
| Wayne Robert Ian Cranstone | Director | 22 Oct 2015 | 12 Sept 2020 | British | 57 years |