| RAINSFORD, Gordon ACTIVE | Secretary | 06 Jul 2017 | | | | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| CEARNS, Kathryn ACTIVE | Director | 12 Mar 2026 | | England | April 1964 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| DARNELL, Adrian Charles, Professor ACTIVE | Director | 25 Nov 2020 | | England | January 1953 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| GIBBONS, Paul ACTIVE | Director | 16 Feb 2023 | | England | December 1953 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| GUILD, David William ACTIVE | Director | 18 Jun 2025 | | England | April 1951 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| HINDEN, Frances ACTIVE | Director | 26 Nov 2025 | | England | November 1968 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| HORNUNG, Michael Bernard ACTIVE | Director | 27 Jun 2024 | | England | January 1969 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| NETTLETON, Diana Mary ACTIVE | Director | 18 Jan 2024 | | England | August 1953 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| SANDFORD, Deborah Janet ACTIVE | Director | 07 Jun 2024 | | England | April 1965 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| SIDGWICK, Ian ACTIVE | Director | 13 Mar 2023 | | England | January 1956 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| CAPAL, Barry RESIGNED | Secretary | 04 Oct 2006 | 06 Jul 2017 | | | 35 Newberries Avenue, Radlett, Hertfordshire, WD7 7EJ |
| COLLIER, Terrence RESIGNED | Secretary | 05 Sep 2001 | 24 Jan 2006 | | | Owl Cottage 21 Lenborough Road, Buckingham, Buckinghamshire, MK18 1DH |
| LLOYD, Philip Thomas RESIGNED | Secretary | 07 Oct 1998 | 09 May 2001 | | | 66 Kitsbury Road, Berkhamsted, Hertfordshire, HP4 3EG |
| SMITH, Brian RESIGNED | Secretary | 24 Jan 2006 | 04 Oct 2006 | | | 20 Aylesbury Road, Aston Clinton, Aylesbury, Buckinghamshire, HP22 6JQ |
| WILLIAMS, John Richard Tudor RESIGNED | Secretary | 09 May 2001 | 05 Sep 2001 | | | 36a Cherry Tree Road, Chinnor, Oxfordshire, OX39 4QZ |
| WILLIAMS, John Richard Tudor RESIGNED | Secretary | | 07 Oct 1998 | | | Corner Patch 36a Cherry Tree Road, Chinnor, Oxfordshire, OX9 4QZ |
| AMEY, Roger Chapman RESIGNED | Director | 02 Oct 2002 | 01 Oct 2003 | United Kingdom | June 1936 | Hill House, Thornage, Holt, Norfolk, NR25 7QA |
| BAYER, Henry Palmer RESIGNED | Director | | 22 Jul 1992 | | March 1925 | 26 Evelyn Mansions, London, SW1P 1NH |
| BOSTON, David Melvyn RESIGNED | Director | 07 Oct 1992 | 02 Oct 1996 | | February 1937 | 6 Godwin Way, Bromham, Bedford, Bedfordshire, MK43 8JH |
| BRADLEY, Thomas John RESIGNED | Director | | 17 May 2005 | | April 1936 | 272 Chanctonbury Road, Burgess Hill, West Sussex, RH15 9HJ |
| BROCK, Raymond Slater RESIGNED | Director | | 08 May 1992 | | October 1936 | 218 Wheatlands, Heston, Hounslow, Middlesex, TW5 0SQ |
| BUGDEN, Sally RESIGNED | Director | 06 Oct 2004 | 09 Jan 2014 | United Kingdom | September 1958 | Red Acres Hundred Acre Lane, Wivelsfield Green, Haywards Heath, West Sussex, RH17 7RU |
| CARTER, John Mervyn RESIGNED | Director | 01 Dec 2003 | 08 Mar 2010 | England | December 1942 | Apple Tree House, Hutwood Road Chilworth, Southampton, Hampshire, SO16 7LL |
| CARTER, John Mervyn RESIGNED | Director | 03 Oct 2001 | 02 Oct 2002 | England | December 1942 | Apple Tree House, Hutwood Road Chilworth, Southampton, Hampshire, SO16 7LL |
| CARTER, John Mervyn RESIGNED | Director | 07 Oct 1992 | 04 Oct 2000 | England | December 1942 | Apple Tree House, Hutwood Road Chilworth, Southampton, Hampshire, SO16 7LL |
| COPE, Jeremy Ewart RESIGNED | Director | 06 Oct 2011 | 30 Nov 2021 | England | November 1951 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| CURTIS, Margaret Anne Valerie RESIGNED | Director | | 04 Oct 2000 | | September 1933 | 40 Forest Way, Woodford Wells, Woodford Green, Essex, IG8 0QB |
| DHONDY, Heather Julie RESIGNED | Director | 06 Oct 2010 | 27 Nov 2019 | United Kingdom | February 1966 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| DHONDY, Jeremy RESIGNED | Director | 07 Oct 2009 | 27 Nov 2019 | United Kingdom | December 1951 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| DIXON, Chris RESIGNED | Director | 06 Oct 2004 | 28 Sep 2005 | | November 1944 | Woodborough Farmhouse, Peasedown St John, Bath, BA2 8LN |
| ENDICOTT, Grattan RESIGNED | Director | | 06 Oct 1993 | | January 1924 | 14 Elmswood Court, Mossley Hill, Liverpool, Merseyside, L18 8DJ |
| EVETTS, Darren Roy RESIGNED | Director | 06 Mar 2013 | 26 Nov 2017 | England | March 1971 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| FAULKNER, John Bernard Eastham RESIGNED | Director | 01 Oct 1997 | 02 Oct 2002 | | November 1937 | Mulberry House, 24 Magdalen Street, Eye, Suffolk, IP23 7AJ |
| FAULKNER, John Bernard Eastham RESIGNED | Director | | 02 Oct 1996 | | November 1937 | The Pyghtle Bedlars Green, Great Hallingbury, Bishops Stortford, Hertfordshire, CM22 7TP |
| FAWCETT, Gillian RESIGNED | Director | 04 Mar 2018 | 30 Nov 2021 | England | September 1961 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| FOX, Cathryn Ann RESIGNED | Director | 23 Mar 2021 | 27 Nov 2022 | England | August 1962 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| GIBSON, Judith Valerie RESIGNED | Director | 05 Oct 2011 | 15 Jan 2013 | United Kingdom | July 1954 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| GILL, Suzanne Diana RESIGNED | Director | 16 Mar 2010 | 01 Mar 2011 | England | October 1947 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| GODFREY, Beverley RESIGNED | Director | 02 Feb 2018 | 28 Nov 2018 | England | April 1967 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| GOLDING, Anthony Charles RESIGNED | Director | 19 Mar 2014 | 30 Nov 2021 | England | October 1952 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| HAMILTON, Alaine Mary Constance RESIGNED | Director | 06 Oct 1999 | 06 Oct 2004 | | January 1935 | 36 Cannon Street, St Albans, Hertfordshire, AL3 5JS |
| HARRIS, David Robert RESIGNED | Director | 06 Oct 1993 | 22 Oct 2006 | England | September 1950 | 1a Westfield Avenue, Harpenden, Hertfordshire, AL5 4HN |
| HARRIS, David Robert RESIGNED | Director | | 08 May 1992 | | September 1950 | 102 Bury Road, Shillington, Hitchin, Hertfordshire, SG5 3NZ |
| HILL, Michael Robert David RESIGNED | Director | 05 Dec 2006 | 02 Oct 2013 | United Kingdom | February 1946 | Winterbourne, Swan Lane, Edenbridge, Kent, TN8 6AL |
| HUANG, Kiat RESIGNED | Director | 28 Apr 2020 | 14 Feb 2021 | England | October 1961 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| INGHAM, Michael RESIGNED | Director | 04 Oct 2000 | 03 Oct 2001 | England | October 1951 | The Enchanted Cottage, Folkton, Scarborough, North Yorkshire, YO11 3UH |
| JEPSON, Graham William RESIGNED | Director | 05 Oct 2005 | 03 Oct 2012 | United Kingdom | March 1944 | 24 Greystones Avenue, Sheffield, South Yorkshire, S11 7AZ |
| LANDY, Sandra RESIGNED | Director | | 21 Mar 1997 | | June 1938 | 44 Albany Villas, Hove, East Sussex, BN3 2RW |
| LAWY, Robert Sass Alan, Dr RESIGNED | Director | 19 Mar 2014 | 29 Nov 2023 | England | July 1952 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| MARTIN, David Glenn RESIGNED | Director | 07 Oct 1998 | 18 May 2004 | England | January 1960 | 39 Harpenden Road, London, SE27 0AG |
| MASON, Philip Gonville RESIGNED | Director | 02 Oct 1996 | 27 Feb 2008 | | April 1938 | Amboy House Town Street, Old Malton, Malton, North Yorkshire, YO17 7HD |
| MILLET, Ronald Frank RESIGNED | Director | 03 Oct 2012 | 08 Apr 2022 | England | March 1946 | 9, Middlethorne Close, Leeds, LS17 8SD, United Kingdom |
| MORRIS, Jeffrey Kelvin RESIGNED | Director | 02 Oct 2002 | 06 Oct 2010 | United Kingdom | July 1947 | 13 Sandileigh Avenue, West Didsbury, Manchester, M20 3LN |
| MORRIS, Jeffrey Kelvin RESIGNED | Director | 07 Oct 1992 | 05 Oct 1994 | United Kingdom | July 1947 | 13 Sandileigh Avenue, West Didsbury, Manchester, M20 3LN |
| MYERS, Beverley Jane RESIGNED | Director | 27 Nov 2019 | 26 Feb 2021 | England | July 1963 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| NELSON, Alan RESIGNED | Director | 06 Oct 2004 | 06 Oct 2010 | | June 1943 | 6 Pheasant Rise, Bowdon, Cheshire, WA14 3HL |
| NEVILLE, John David RESIGNED | Director | 01 Oct 1997 | 03 Oct 2007 | | January 1942 | 56 Blakemere Road, Welwyn Garden City, Hertfordshire, AL8 7PN |
| OLIVER, Malcolm Graham RESIGNED | Director | 03 Oct 2007 | 29 Oct 2014 | United Kingdom | August 1944 | Fern House, East Cowton, Northallerton, North Yorkshire, DL7 0DH |
| OLIVER, Malcolm Graham RESIGNED | Director | 04 Oct 2000 | 15 May 2003 | United Kingdom | August 1944 | Fern House, East Cowton, Northallerton, North Yorkshire, DL7 0DH |
| OSBORNE, Brenda Dawn RESIGNED | Director | 05 Oct 1994 | 01 Oct 1997 | | August 1949 | 11 Stella Hall Drive, Blaydon On Tyne, Tyne & Wear, NE21 4LB |
| PAYN, Ian David RESIGNED | Director | 09 Mar 2011 | 05 Sep 2023 | England | February 1960 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| PENFOLD, Kathleen Alexandra RESIGNED | Director | | 07 Oct 1998 | | August 1946 | 7 Edgerton Garth, Tadcaster, North Yorkshire, LS24 9QP |
| PETRIE, John Andrew Hamlyn, Dr RESIGNED | Director | 06 Mar 2008 | 25 Oct 2015 | United Kingdom | October 1950 | 8, Tower View, Penwortham, Preston, Lancashire, PR1 0BQ |
| POOL, Douglas Martin RESIGNED | Director | 05 Oct 2005 | 06 Oct 2010 | United Kingdom | December 1943 | Timberlands, Highbrook Ardingly, Haywards Heath, West Sussex, RH17 6SS |
| PREDDY, Karen Elizabeth RESIGNED | Director | 15 Feb 2021 | 21 Mar 2024 | England | April 1959 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| ROBSON, Denis Anthony RESIGNED | Director | 02 Oct 1996 | 04 Oct 2006 | England | May 1934 | Bast House, Walmersley, Bury, Lancashire, BL9 5LZ |
| RUSS, Anthony RESIGNED | Director | 30 Nov 2021 | 31 May 2024 | England | March 1946 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| SHIELDS, Patrick Joseph RESIGNED | Director | 22 Jan 2020 | 26 Nov 2025 | England | March 1954 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| SMITH, Abbey RESIGNED | Director | 30 Nov 2022 | 28 May 2025 | England | May 1976 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| SMITH, Graham Geofrey RESIGNED | Director | 13 Sep 2016 | 28 Apr 2020 | England | July 1952 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |
| STOCKEN, Peter Alfred Creswick RESIGNED | Director | 04 Oct 2006 | 07 Oct 2009 | | November 1940 | Stubbs Common Farm, Stubbs Walden, Doncaster, South Yorkshire, DN6 9BU |
| STOCKEN, Peter Alfred Creswick RESIGNED | Director | 01 Oct 2003 | 06 Oct 2004 | | November 1940 | Stubbs Common Farm, Stubbs Walden, Doncaster, South Yorkshire, DN6 9BU |
| STOCKEN, Peter Alfred Creswick RESIGNED | Director | | 06 Oct 1999 | | November 1940 | Stubbs Common Farm, Stubbs Walden, Doncaster, South Yorkshire, DN6 9BU |
| WEBB, Elizabeth Gay RESIGNED | Director | 12 Jan 2021 | 21 Mar 2024 | England | September 1953 | Broadfields, Bicester Road, Aylesbury, Bucks, HP19 8AZ |