| BURROWS, Patrick James ACTIVE | Director | 01 Dec 2017 | | England | March 1967 | The Hangar, Mosquito Way, Hatfield Business Park, Hatfield, Hertfordshire, AL10 9AX |
| BROWNE, Lorna Barrington RESIGNED | Secretary | 24 Feb 1995 | 10 Oct 1997 | | | 26 Hallmead Road, Sutton, Surrey, SM1 1RP |
| BUXTON SMITH, Maria Rita RESIGNED | Secretary | 23 Jun 1998 | 25 Sep 2002 | | | 83 Wordsworth Avenue, Newport Pagnell, Bucks, MK16 8RH |
| FAIRHURST, Russell William RESIGNED | Secretary | 30 Jan 2004 | 02 Aug 2007 | | | 37 Windermere Road, Muswell Hill, London, N10 2RD |
| FAIRHURST, Russell William RESIGNED | Secretary | 10 Oct 1997 | 23 Jun 1998 | | | Flat 1 Elaine Court, 123 Haverstock Hill, London, NW3 4RT |
| GRAY, David Charles Norreys RESIGNED | Secretary | 03 Mar 1993 | 17 Feb 1995 | | | Ivy Farm, Smithfield End, Swanbourne, Buckinghamshire, MK17 OSP |
| HARRIS, Ian Michael Brian RESIGNED | Secretary | 23 Nov 2007 | 31 Dec 2017 | | | The Hangar, Mosquito Way, Hatfield Business Park, Hatfield, Hertfordshire, AL10 9AX, United Kingdom |
| HASWELL, Charles Christopher Miles RESIGNED | Secretary | 14 Feb 1992 | 03 Mar 1993 | | | 16 Beverley Close, Barnes, London, SW13 0EH |
| HINDES, Mark Lewis William RESIGNED | Secretary | 02 Aug 2007 | 23 Nov 2007 | | | 87 Byng Road, Barnet, Hertfordshire, EN5 4NP |
| HOBSON, Sarah Dominica Jeanne RESIGNED | Secretary | | 14 Feb 1992 | | | 12 Charleville Mansions, Charleville Road, London, W14 9JB |
| LOWRY, Daren Clive RESIGNED | Secretary | 30 Jan 2004 | 02 Aug 2007 | | | 3 Drapers End, Marston Moretaine, Bedfordshire, MK43 0FH |
| THORPE, Elizabeth Anne RESIGNED | Secretary | 25 Sep 2002 | 30 Jan 2004 | | | 85 Silverdale Road, Earley, Reading, Berkshire, RG6 7NF |
| BREW, Lawrence Guy RESIGNED | Director | 14 Feb 1992 | 25 Aug 1992 | England | October 1957 | 3 St James Close, New Malden, Surrey, KT3 6DU |
| BROSNAN, Denis RESIGNED | Director | 14 Feb 1992 | 15 Apr 1993 | Ireland | November 1944 | Croom House, Croom, Croom, County Limerick, Ireland |
| CLARKE, James RESIGNED | Director | 18 Oct 1995 | 27 Feb 1998 | | March 1960 | Jade Place, Wendover Road, Butlers Cross, Buckinghamshire, HP17 0TU |
| DODD, Eric Stephen RESIGNED | Director | 01 Jun 2004 | 30 Jun 2005 | | September 1969 | 53 Gloucester Road, Richmond, Surrey, TW9 3BT |
| FEARN, Matthew RESIGNED | Director | 01 Jan 2002 | 01 Jun 2004 | | October 1964 | The Old House, 1 Broughton Road, Salford, Lancashire, M6 6LS |
| FLOWER, Nicola Zoe RESIGNED | Director | 01 Nov 2005 | 26 Mar 2007 | | July 1971 | 28 Bridgeman Road, Teddington, Middlesex, TW11 9AH |
| HARRIS, Ian Michael Brian RESIGNED | Director | 23 Nov 2007 | 31 Dec 2017 | United Kingdom | April 1962 | The Hangar, Mosquito Way, Hatfield Business Park, Hatfield, Hertfordshire, AL10 9AX, United Kingdom |
| HINDES, Mark Lewis William RESIGNED | Director | 02 Aug 2007 | 23 Nov 2007 | England | January 1967 | 87 Byng Road, Barnet, Hertfordshire, EN5 4NP |
| HOBSON, Sarah Dominica Jeanne RESIGNED | Director | | 14 Feb 1992 | | August 1963 | 12 Charleville Mansions, Charleville Road, London, W14 9JB |
| LLOYD, David RESIGNED | Director | 14 Feb 1992 | 25 Oct 1996 | | January 1948 | Appletree Cottage 12 Leys Road, Oxshott, Leatherhead, Surrey, KT22 0QE |
| LLOYD, Scott Anthony RESIGNED | Director | 02 Aug 2007 | 31 Dec 2017 | United Kingdom | April 1975 | The Hangar, Mosquito Way, Hatfield Business Park, Hatfield, Hertfordshire, AL10 9AX, United Kingdom |
| MARKSON, Jonathan RESIGNED | Director | | 18 Jun 1998 | | April 1955 | 12 Charleville Mansions, Charleville Road, London, W14 9JB |
| MILLER, Stewart RESIGNED | Director | 15 May 2001 | 30 Sep 2005 | | December 1952 | King Hams Meadow, Hudnall Lane, Little Gaddesden, Hertfordshire, HP4 1QE |
| PELLINGTON, Andrew David RESIGNED | Director | 01 Nov 2005 | 02 Aug 2007 | United Kingdom | January 1964 | Hunton House, Highbridge Estate, Oxford Road, Uxbridge, Middlesex, UB8 1LX |
| PHILLIPS, Mark Randall RESIGNED | Director | 18 Jun 1998 | 01 Jan 2002 | United Kingdom | November 1957 | Scotts Cottage, Scots Lane, Adstock, Buckinghamshire, MK18 2HX |
| PHILLIPS, Nicholas RESIGNED | Director | 26 Mar 2007 | 28 Nov 2009 | England | September 1968 | The Hangar, Mosquito Way, Hatfield Business Park, Hatfield, Hertfordshire, AL10 9AX, United Kingdom |
| PHILPOTT, Stephen John Randall RESIGNED | Director | 18 Jun 1998 | 06 Dec 2000 | United Kingdom | December 1955 | St John's Cottage, Cherry Tree Lane, Fulmer, Berkshire, SL3 6JE |
| TAYLOR, Ian Compton RESIGNED | Director | 15 Apr 1993 | 18 Oct 1995 | | July 1937 | Castle House 7 Water Lane, Richmond, Surrey, TW9 1TJ |
| TYE, Michael Edward RESIGNED | Director | 30 Sep 2005 | 02 Aug 2007 | United Kingdom | December 1953 | Gade House, Frithsden Copse Potten End, Berkhamsted, Hertfordshire, HP4 2RQ |
| WEEDALL, Lynne Marie RESIGNED | Director | 06 Dec 2000 | 31 Jan 2003 | United Kingdom | June 1967 | Wagtails, 1 Grist House Farm, Water End, Hertfordshire, HP1 3BD |
| WRIGHT, Grant Campbell RESIGNED | Director | 31 Jan 2003 | 30 Sep 2005 | | January 1970 | 107 Redland Drive, Milton Keynes, MK5 8BP |