| WHITE, Susanna Elizabeth ACTIVE | Secretary | 08 Sep 2014 | | | | Thremhall Park, Start Hill, Bishop's Stortford, CM22 7WE |
| COULL, Mark ACTIVE | Director | 22 Jan 2013 | | England | June 1971 | Thremhall Park, Start Hill, Bishop's Stortford, CM22 7WE |
| HEILIG, Ralf ACTIVE | Director | 03 Oct 2024 | | Switzerland | May 1966 | Thremhall Park, Start Hill, Bishop's Stortford, CM22 7WE |
| BARKER, Catherine Jennifer RESIGNED | Secretary | 26 Apr 2005 | 31 Aug 2009 | | | 19 Allerton Drive, Leicester, Leicestershire, LE3 9EG |
| THOMAS, Howard RESIGNED | Secretary | 26 Apr 2005 | 26 Apr 2005 | | | 50 Iron Mill Place, Crayford, Kent, DA1 4RT |
| TWEMLOW, Clare Gillian RESIGNED | Secretary | 15 Sep 2010 | 15 Jul 2014 | | | 126, - 130, Hills Road, Cambridge, CB2 1RY, United Kingdom |
| WILSON WATERWORTH, Tobias Adam RESIGNED | Secretary | 31 Aug 2009 | 15 Sep 2010 | | | Maple House, Birdbrook, Halstead, Essex, CO9 4BB |
| ARROWSMITH, Paul Jonathan RESIGNED | Director | 01 Jul 2021 | 10 Jul 2026 | England | January 1965 | Thremhall Park, Start Hill, Bishop's Stortford, CM22 7WE |
| BALCON, Raphael, Dr RESIGNED | Director | 22 Jun 2005 | 15 Jan 2008 | | August 1936 | 13 Park Village West, London, NW1 4AE |
| BARKER, David RESIGNED | Director | 22 Jun 2005 | 01 Jun 2009 | | November 1947 | 19 Allerton Drive, Leicester, Leicestershire, LE3 9EG |
| BOOTH, Robert Alec RESIGNED | Director | 15 Jun 2011 | 03 Oct 2011 | England | June 1952 | 126, - 130, Hills Road, Cambridge, CB2 1RY, United Kingdom |
| DAVIES, Timothy Keith RESIGNED | Director | 22 Jun 2005 | 31 Dec 2011 | United Kingdom | July 1968 | 126, - 130, Hills Road, Cambridge, CB2 1RY, United Kingdom |
| HURRELL, Thomas Andrew RESIGNED | Director | 23 Jul 2018 | 05 Aug 2019 | England | December 1978 | Thremhall Park, Start Hill, Bishop's Stortford, CM22 7WE |
| LAYTON, Charlotte RESIGNED | Director | 02 Oct 2019 | 03 Oct 2024 | England | April 1972 | Thremhall Park, Start Hill, Bishop's Stortford, CM22 7WE |
| LAYTON, Clive Allan, Dr RESIGNED | Director | 26 Apr 2005 | 03 Oct 2024 | England | April 1944 | Thremhall Park, Start Hill, Bishop's Stortford, CM22 7WE |
| ROTHMAN, Martin Terry, Professor RESIGNED | Director | 27 Apr 2005 | 03 Oct 2024 | United Kingdom | May 1948 | Thremhall Park, Start Hill, Bishop's Stortford, CM22 7WE |
| TESTER, William RESIGNED | Director | 26 Apr 2005 | 26 Apr 2005 | | June 1962 | 4 Geary House, Georges Road, Holloway, London, N7 8EZ |
| WHITE, Paul Morrow RESIGNED | Director | 24 Mar 2010 | 30 Nov 2011 | United Kingdom | April 1955 | 126, - 130, Hills Road, Cambridge, CB2 1RY, United Kingdom |
| WILSON WATERWORTH, Tobias Adam RESIGNED | Director | 24 Jan 2006 | 14 Oct 2010 | England | October 1964 | Maple House, Birdbrook, Halstead, Essex, CO9 4BB |