| BUTLER, John Francis ACTIVE | Secretary | 02 Apr 2025 | | | | Britannia House, 3-5 Rushmills, Northampton, NN4 7YB, England |
| BUTLER, John Francis ACTIVE | Director | 02 May 2022 | | England | November 1967 | Britannia House, 3-5 Rushmills, Northampton, NN4 7YB, England |
| SMITH, Philip John ACTIVE | Director | 02 Apr 2025 | | England | October 1968 | Britannia House, 3-5 Rushmills, Northampton, NN4 7YB, England |
| HARVEY, Neil RESIGNED | Secretary | 25 Aug 1994 | 27 Mar 1995 | | | 8 Bingham Place, London, W1M 3FH |
| HENDRIE, Neal Malcolm RESIGNED | Secretary | 31 Oct 2004 | 01 Feb 2008 | | | 74 The Drive, Uxbridge, Middlesex, UB10 8AQ |
| KRAMER, Stephen RESIGNED | Secretary | 10 Nov 2016 | 02 Apr 2025 | | | Pioneer House, 7 Rushmills, Northampton, NN4 7YB, England |
| MARTIN, Gillian Carol RESIGNED | Secretary | 27 Mar 1995 | 09 Jul 1999 | | | 8a Great North Road, Welwyn Garden City, Hertfordshire, AL8 7TH |
| PENNELL, Sara Lilian RESIGNED | Secretary | | 25 Aug 1994 | | | Cape Cottage 12 Hill Rise, Chalfont St Peter, Buckinghamshire, SL9 9BH |
| RING, Ronald Arthur RESIGNED | Secretary | 09 Jul 1999 | 31 Oct 2004 | | | 7 Georgian Close, Abbeydale, Gloucester, Gloucestershire, GL4 5DG |
| SAGE, Adam David RESIGNED | Secretary | 01 Feb 2010 | 10 Nov 2016 | | | Asquith House, 34 Germain Street, Chesham, Buckinghamshire, HP5 1LH, England |
| YARROW, Nicholas John RESIGNED | Secretary | 01 Feb 2008 | 31 Jan 2010 | | | Chiltern View, 27, Cobbetts Ride, Tring, Hertfordshire, HP23 4BZ |
| AUGHTERSON, Peter William RESIGNED | Director | 07 Jan 1994 | 11 Nov 2002 | | April 1963 | Farley Hill House Church Lane, Farley Hill, Berkshire, RG7 1UP |
| BOLAND, Elizabeth RESIGNED | Director | 10 Nov 2016 | 02 Apr 2025 | United States | August 1959 | Pioneer House, 7 Rushmills, Northampton, NN4 7YB, England |
| BOTTS, John Chester RESIGNED | Director | 20 Sep 1994 | 09 May 2001 | United Kingdom | January 1941 | 21 Argyll Road, London, W8 7DA |
| CASAGRANDE, John Guy RESIGNED | Director | 16 Apr 2020 | 02 Apr 2025 | United States | September 1958 | Pioneer House, 7 Rushmills, Northampton, NN4 7YB, England |
| CROSS, Jean RESIGNED | Director | 09 May 2001 | 31 Dec 2005 | | October 1949 | 18 Whitchurch Road, Cublington, Leighton Buzzard, Bedfordshire, LU7 0LP |
| DOWNES, Paul William Edward RESIGNED | Director | 27 Nov 1991 | 22 Sep 1994 | | April 1954 | The Wyke Hockering Road, Woking, Surrey, GU22 7HP |
| DREIER, Stephen RESIGNED | Director | 10 Nov 2016 | 13 Apr 2020 | United States | November 1942 | 2, Crown Way, Rushden, NN10 6BS, England |
| ENGLANDER, Peter David, Dr RESIGNED | Director | 27 Nov 1991 | 09 May 2001 | England | November 1951 | 18 Pilgrims Lane, London, NW3 1SN |
| FEE, Gary Ryan RESIGNED | Director | 16 Apr 2020 | 29 Apr 2022 | England | September 1970 | 2, Crown Way, Rushden, NN10 6BS, England |
| FORD, Russell Mark RESIGNED | Director | 31 Dec 2005 | 27 Nov 2008 | United Kingdom | October 1963 | Elm Field House, Moreton, Thame, South Oxfordshire, OX9 2HS |
| GROGAN, Richard Henry RESIGNED | Director | | 09 May 2001 | United Kingdom | November 1953 | Old Rickhurst, Alfold Road, Dunsfold, Surrey, GU8 4NP |
| HENDRIE, Neal Malcolm RESIGNED | Director | 12 Jan 2004 | 01 Aug 2007 | England | August 1955 | 74 The Drive, Uxbridge, Middlesex, UB10 8AQ |
| HOARE, David Alexander RESIGNED | Director | | 07 Jan 1994 | United Kingdom | January 1950 | 40 Chepstow Place, London, W2 4TA |
| LISSY, Dave RESIGNED | Director | 10 Nov 2016 | 13 Apr 2020 | United States | October 1965 | 2, Crown Way, Rushden, NN10 6BS, England |
| MARSHALL, Rosamund Margaret RESIGNED | Director | 16 Apr 2020 | 02 Apr 2025 | England | July 1959 | Pioneer House, 7 Rushmills, Northampton, NN4 7YB, England |
| MORRIS, Andrew Terry RESIGNED | Director | 29 Mar 2006 | 01 Dec 2016 | England | December 1962 | The Kiln Malthouse Close, Ashbury, Swindon, Wiltshire, SN6 8LN |
| RHODES, Phillip Baverstock RESIGNED | Director | 08 Jun 2001 | 07 Apr 2006 | United Kingdom | October 1946 | 12 Peterborough Villas, London, SW6 2AT |
| RING, Ronald Arthur RESIGNED | Director | 09 May 2001 | 06 Oct 2004 | United Kingdom | April 1941 | 7 Georgian Close, Abbeydale, Gloucester, Gloucestershire, GL4 5DG |
| SAGE, Adam David RESIGNED | Director | 05 Sep 2011 | 14 Oct 2011 | United Kingdom | November 1972 | Orbital House, Park View Road, Berkhamsted, Hertfordshire, HP4 3EY |
| SCATURRO, Philip RESIGNED | Director | 27 Nov 1991 | 09 May 2001 | | August 1938 | 41 Riverside Drive, New York, 10024, Usa |
| SOSKIN, David Gideon Frank Aurele Xavier RESIGNED | Director | 27 Nov 1991 | 09 May 2001 | | August 1954 | 71 New End, Hampstead, London, NW3 1HY |
| TUGENDHAT, James Walter RESIGNED | Director | 10 Nov 2016 | 13 Apr 2020 | United Kingdom | April 1971 | 2, Crown Way, Rushden, NN10 6BS, England |
| YARROW, Nicholas John RESIGNED | Director | 01 Feb 2008 | 31 Jan 2010 | England | August 1967 | Chiltern View, 27, Cobbetts Ride, Tring, Hertfordshire, HP23 4BZ |