| LEVEN, Steven ACTIVE | Secretary | 15 Jan 2007 | | | | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| MITCHELL, James Alasdair ACTIVE | Director | 31 Mar 2026 | | United Kingdom | October 1986 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| MUCKIAN, Terry ACTIVE | Director | 16 Jul 2026 | | United Kingdom | July 1968 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| MURRAY, Karen Michelle RESIGNED | Secretary | 01 Jul 2000 | 15 Jan 2007 | | | 1 Centre Walk, Hazlemere, Buckinghamshire, HP15 7UZ |
| TANNER, Brian Edward RESIGNED | Secretary | | 30 Jun 2000 | | | 1 Thatchers Close, Horley, Surrey, RH6 9LE |
| ALLEN, Michael John RESIGNED | Director | 05 Apr 1993 | 30 Jun 1996 | | July 1936 | 23 Church Lane, Southwick, Sussex, BN42 4GB |
| BAYLISS, Roger Francis RESIGNED | Director | 03 Dec 2015 | 01 Feb 2016 | United Kingdom | March 1957 | Maple Cross House, Denham Way Maple Cross, Rickmansworth, Hertfordshire, WD3 9SW |
| BAYLISS, Roger Francis RESIGNED | Director | 12 Nov 2008 | 23 Feb 2012 | United Kingdom | March 1957 | Maple Cross House, Denham Way Maple Cross, Rickmansworth, Hertfordshire, WD3 9SW |
| BIELOUS, Jaroslaw Wiktor RESIGNED | Director | | 31 Aug 1993 | | August 1928 | 10 Waverley Drive, Chertsey, Surrey, KT16 9PG |
| CARRUTHERS, Henry James RESIGNED | Director | 13 Jul 1999 | 14 Sep 2001 | England | April 1955 | 60 Mornington Road, Chingford, London, E4 7DT |
| CHANDLER, Paul RESIGNED | Director | 06 Aug 2013 | 03 Dec 2015 | United Kingdom | January 1964 | Maple Cross House, Denham Way Maple Cross, Rickmansworth, Hertfordshire, WD3 9SW |
| CLARK, David John RESIGNED | Director | 23 Jan 1995 | 03 Apr 1995 | | July 1948 | 4 Manor Way, Crowborough, East Sussex, TN6 1LS |
| CLARKE, Keith Edward RESIGNED | Director | 01 Jul 1996 | 01 Mar 2002 | England | May 1952 | 14 Thorney Hedge Road, Chiswick, London, W4 5SD |
| CLITHEROE, Simon Michael RESIGNED | Director | 08 Nov 2023 | 31 Mar 2026 | United Kingdom | November 1967 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| DALE, William Jonathan RESIGNED | Director | 04 Jan 1999 | 01 Jul 2001 | United Kingdom | April 1954 | 17 Five Mile Drive, Oxford, OX2 8HT |
| DEASON, Peter Malcolm RESIGNED | Director | | 10 Oct 2001 | | December 1943 | 27 The Terrace, Sunninghill, Ascot, Berkshire, SL5 9NH |
| DENGATE, Rodney Stephen RESIGNED | Director | 11 Mar 1996 | 01 Dec 1998 | | October 1944 | 4 Bickmore Way, Tonbridge, Kent, TN9 1ND |
| ECKERT, Peter Edward RESIGNED | Director | 11 Oct 2001 | 30 Sep 2004 | | September 1945 | Namanga, Horsell Rise, Woking, Surrey, GU21 4BD |
| ENGLISH, Andrew Michael RESIGNED | Director | 01 Jan 2025 | 12 Dec 2025 | England | December 1965 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| FASTH, Sofia Cecilia RESIGNED | Director | 23 Feb 2012 | 06 Aug 2013 | United Kingdom | February 1973 | Maple Cross House, Denham Way, Maple Cross, Rickmansworth, Herts, WD3 9SW, United Kingdom |
| FAULKNER, Thomas Peter RESIGNED | Director | 01 Feb 2016 | 03 Dec 2024 | United Kingdom | May 1974 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| FISON, David Gareth RESIGNED | Director | 01 Mar 2002 | 24 Jul 2008 | United Kingdom | March 1952 | 153, Herne Hill, London, SE24 9LR |
| FISON, David Gareth RESIGNED | Director | 01 Aug 1998 | 01 Jul 2001 | United Kingdom | March 1952 | 153, Herne Hill, London, SE24 9LR |
| GERRELLI, Leslie Michael RESIGNED | Director | 15 Sep 1997 | 31 Dec 1998 | | July 1947 | 16 Bolters Lane, Banstead, Surrey, SM7 2AF |
| HICKLING, Derek Brian RESIGNED | Director | 07 Jul 2009 | 24 Nov 2014 | United Kingdom | September 1959 | Maple Cross House, Denham Way Maple Cross, Rickmansworth, Hertfordshire, WD3 9SW |
| HIPPERSON, Simon John Haworth RESIGNED | Director | 01 Dec 2003 | 31 Dec 2004 | | July 1966 | Flat 3 1-7 Tysoe Street, Clerkenwell, London, EC1R 4SA |
| HUTCHINSON, Michael Thomas RESIGNED | Director | | 11 Mar 1996 | | September 1937 | 1 Glebe Avenue, Flitwick, Bedford, Bedfordshire, MK45 1HS |
| KIRKWOOD, James RESIGNED | Director | 05 Jan 1998 | 01 Feb 2004 | United Kingdom | December 1951 | Lyndhurst, 34 Woodcote Lane, Leek Wootton, Warwickshire, CV35 7QF |
| MACASKILL, Andrew Kenneth RESIGNED | Director | 06 Nov 2012 | 30 Sep 2023 | United Kingdom | February 1962 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| MARR, Keith Gordon RESIGNED | Director | 01 Jan 2005 | 07 Jun 2007 | | October 1966 | 4 Manor Farm Close, Upper Seagry, Chippenham, Wiltshire, SN15 5FB |
| MCDONALD, Adam Michael RESIGNED | Director | 28 Oct 2025 | 16 Jul 2026 | United Kingdom | December 1983 | 1, Hercules Way, Leavesden, Watford, WD25 7GS, United Kingdom |
| MURRAY, Michael Andrew Peter RESIGNED | Director | 07 Jun 2007 | 24 Jun 2008 | England | September 1957 | Echo Warren, Wykham Lane Bodicote, Banbury, OX16 9UP |
| MYERS, Barry RESIGNED | Director | | 25 Apr 1995 | | November 1944 | Boundless Farm Park Lane, Brook, Godalming, Surrey, GU8 5LF |
| POLLARD, Charles Nicholas RESIGNED | Director | 01 Jan 2005 | 21 Sep 2007 | England | June 1958 | Xanadu, Church Road, Hargrave, Northamptonshire, NN9 6BQ |
| ROBERTS, Frederick Thomas RESIGNED | Director | | 30 Jun 2009 | Wales | April 1947 | 28 Limetree Way, Danygraig, Porthcawl, Mid Glamorgan, CF36 5AU |
| SPARROW, Craig Anthony RESIGNED | Director | 22 Mar 2011 | 06 Nov 2012 | England | December 1963 | Maple Cross House, Denham Way Maple Cross, Rickmansworth, Hertfordshire, WD3 9SW |
| SPRUCE, Alan Hugh RESIGNED | Director | | 31 Dec 1996 | | June 1934 | Eimfield House, 11 Archery Fields, Odiham, Hampshire, RG25 1AE |
| SVANQVIST, Henrik Nils Anders RESIGNED | Director | 01 Jan 2010 | 22 Mar 2011 | United Kingdom | November 1969 | Maple Cross House, Denham Way Maple Cross, Rickmansworth, Hertfordshire, WD3 9SW |
| TWEDDLE, Alan RESIGNED | Director | 01 Jul 2001 | 31 Dec 2003 | | July 1946 | 5 Old Holt Road, Medbourne, Market Harborough, Leicestershire, LE16 8DY |
| TYDEMAN, David Rolfe RESIGNED | Director | 24 Jun 2008 | 31 Oct 2008 | United Kingdom | January 1955 | Burton Grange, Burton, Wiltshire, BA12 6BR |