| SHARP, Graham Jonathan ACTIVE | Director | 27 Nov 2020 | | United Kingdom | May 1962 | Sas House, Friarswood, Chipperfield Road, Kings Langley, WD4 9JB, England |
| WALSHE, Christopher Hall ACTIVE | Director | 21 Jan 2019 | | England | November 1984 | 5 Technology Park, Colindeep Lane, Colindale, London, NW9 6BX, United Kingdom |
| BROOKS, Audrey Minnie RESIGNED | Secretary | | 30 Jun 1997 | | | 12 Old Rectory Close, Harpenden, Hertfordshire, AL5 2UD |
| STANLEY, Josephine Cynthia RESIGNED | Secretary | 11 Dec 2003 | 01 Sep 2008 | | | Centre Farm, Battlesden, Milton Keynes, Buckinghamshire, MK17 9HW |
| STANLEY, Sarah Elizabeth, Dr RESIGNED | Secretary | 01 Jul 1997 | 11 Dec 2003 | | | 116 Studley Grange Road, Hanwell, London, W7 2LX |
| BROOKS, Audrey Minnie RESIGNED | Director | | 01 Aug 1993 | | December 1928 | 12 Old Rectory Close, Harpenden, Hertfordshire, AL5 2UD |
| DAVIES, David Gwyn RESIGNED | Director | | 31 Jul 1997 | | May 1943 | 1 Westfield Lane, Hitchin, Hertfordshire, SG5 2HE |
| HARRIS, Dennis RESIGNED | Director | 01 Sep 1997 | 05 Jan 1998 | | February 1940 | 780 Wollaton Road, Nottingham, Nottinghamshire, NG8 2AP |
| JOHNSON, John Frederick RESIGNED | Director | 01 Jan 1993 | 31 Jan 2003 | | September 1939 | 16 Chattertun, Letchworth, Herts |
| NUGENT, Harry Michael RESIGNED | Director | 28 Feb 2016 | 27 Nov 2020 | United Kingdom | July 1965 | 5 Technology Park, Colindeep Lane, Colindale, London, NW9 6BX, United Kingdom |
| PAYNE, Alexander Paul RESIGNED | Director | 30 Jun 2016 | 28 Feb 2018 | England | December 1979 | 5 Technology Park, Colindeep Lane, Colindale, London, NW9 6BX, United Kingdom |
| STANLEY, Robert Anthony RESIGNED | Director | | 26 May 2022 | United Kingdom | May 1940 | Sas House, Friarswood, Chipperfield Road, Kings Langley, WD4 9JB, England |
| STANLEY, Sarah Elizabeth, Dr RESIGNED | Director | 01 Jul 1997 | 11 Dec 2003 | England | April 1966 | 116 Studley Grange Road, Hanwell, London, W7 2LX |