| ASHRAFI, Sayed Suleiman ACTIVE | Secretary | 09 Dec 2024 | | | | Gate House, Turnpike Road, High Wycombe, Buckinghamshire, HP12 3NR, United Kingdom |
| HOLLOWELL, Sara ACTIVE | Director | 01 Oct 2025 | | United Kingdom | July 1971 | Gate House, Turnpike Road, High Wycombe, Buckinghamshire, HP12 3NR |
| PORTER, Amy Joanne ACTIVE | Director | 16 Jan 2026 | | United Kingdom | April 1985 | Gate House, Turnpike Road, High Wycombe, Buckinghamshire, HP12 3NR |
| BROWN, Justine Maria Parker RESIGNED | Secretary | 28 Jul 2000 | 01 Jan 2001 | | | Denbies, 2 Malvern Road, Maidenhead, Berkshire, SL6 7RH |
| BROWN, Justine Maria Parker RESIGNED | Secretary | 01 Apr 1997 | 10 Jan 2000 | | | Denbies, 2 Malvern Road, Maidenhead, Berkshire, SL6 7RH |
| CARR, Peter Anthony RESIGNED | Secretary | 15 Apr 2008 | 01 Jan 2009 | | | Foxfoot House, South Luffenham, Rutland, LE15 8NP |
| DE FEO, Caterina RESIGNED | Secretary | 27 May 2005 | 12 Nov 2007 | | | 42 The Crescent, Hampton In Arden, Solihull, West Midlands, B92 0BP |
| HASTINGS, Jonathan Philip RESIGNED | Secretary | 01 Jan 2001 | 27 May 2005 | | | 7 Hanger Court, Hanger Green, London, W5 3ER |
| HASTINGS, Jonathan Philip RESIGNED | Secretary | 10 Jan 2000 | 28 Jul 2000 | | | 7 Hanger Court, Hanger Green, London, W5 3ER |
| JORDAN, James John RESIGNED | Secretary | 12 Nov 2007 | 15 Apr 2008 | | | Grosvenor House, 2 Church Lane, Stanford On Avon, Northamptonshire, NN6 6JP |
| KNOTT, Clifford Robin RESIGNED | Secretary | | 01 Apr 1997 | | | 6 Pondwick Road, Harpenden, Hertfordshire, AL5 2HG |
| LONNON, Michael Andrew, Mr. RESIGNED | Secretary | 01 Jan 2009 | 09 Dec 2024 | | | Gate House, Turnpike Road, High Wycombe, Buckinghamshire, HP12 3NR, United Kingdom |
| ADEDOYIN, Omolola Olutomilayo RESIGNED | Director | 02 Jun 2023 | 24 Apr 2024 | England | December 1975 | Gate House, Turnpike Road, High Wycombe, Bucks, HP12 3 NR, United Kingdom |
| ANDREW, Peter Robert RESIGNED | Director | 09 Dec 2008 | 10 Jul 2009 | United Kingdom | April 1959 | Morningstar Cottage, Restronguet Passage, Mylor Bridge, Falmouth, Cornwall, TR11 5SS |
| ATTERBURY, Karen Lorraine RESIGNED | Director | 10 Jul 2009 | 16 Jan 2012 | United Kingdom | February 1976 | Gate House, Turnpike Road, High Wycombe, Buckinghamshire, HP12 3NR, United Kingdom |
| BATEMAN, Raymond RESIGNED | Director | 01 Feb 1995 | 01 Apr 2004 | | September 1946 | Flat 34 Ivory House, East Smithfield, London, E1W 1AT |
| BROOKS, John Howard RESIGNED | Director | 11 Nov 1993 | 31 Mar 2003 | United Kingdom | October 1945 | Arcadian Farnborough Hill, Orpington, Kent, BR6 7EQ |
| CANTY, Jennifer RESIGNED | Director | 24 Apr 2024 | 30 Sep 2025 | United Kingdom | July 1993 | Gate House, Turnpike Road, High Wycombe, Buckinghamshire, HP12 3NR |
| CARNEY, Christopher RESIGNED | Director | 09 Dec 2008 | 12 Jun 2009 | United Kingdom | May 1974 | KT10 |
| CLAPHAM, Colin Richard RESIGNED | Director | 16 Jan 2012 | 31 Oct 2019 | United Kingdom | December 1945 | Gate House, Turnpike Road, High Wycombe, Buckinghamshire, HP12 3NR, United Kingdom |
| GILLETT, Robin Danvers Penrose, Sir RESIGNED | Director | | 07 Jun 1993 | | November 1925 | 4 Fairholt Street, London, SW7 1EQ |
| GREEN, Alex David RESIGNED | Director | 14 Oct 2011 | 19 Jan 2026 | England | February 1981 | Gate House, Turnpike Road, High Wycombe, Buckinghamshire, HP12 3NR, United Kingdom |
| HINDMARSH, Katherine Elizabeth RESIGNED | Director | 31 Oct 2019 | 02 Jun 2023 | United Kingdom | May 1989 | Gate House, Turnpike Road, High Wycombe, Buckinghamshire, HP12 3NR, United Kingdom |
| KNOTT, Clifford Robin RESIGNED | Director | 10 Jan 2001 | 31 Mar 2002 | | July 1942 | 6 Pondwick Road, Harpenden, Hertfordshire, AL5 2HG |
| KNOTT, Clifford Robin RESIGNED | Director | 27 Jan 1993 | 01 Mar 1994 | | July 1942 | 6 Pondwick Road, Harpenden, Hertfordshire, AL5 2HG |
| KNOX-JOHNSTON, William Robert Patrick RESIGNED | Director | | 31 Oct 1993 | | March 1939 | 26 Sefton Street, Putney, London, SW15 1LZ |
| MANGOLD, Ryan Dirk RESIGNED | Director | 12 Jun 2009 | 14 Oct 2011 | United Kingdom | October 1971 | Gate House, Turnpike Road, High Wycombe, Buckinghamshire, HP12 3NR, United Kingdom |
| PARKER, Guy Trevor RESIGNED | Director | 03 Jul 2007 | 06 Mar 2008 | England | November 1960 | Caxton House, Cann Lane North, Woodside Mews, Appleton Warrington, WA4 5NF |
| SATOW, Paul Francis Christopher RESIGNED | Director | | 31 Dec 1992 | England | September 1921 | 35 Chalcot Road, London, NW1 8LP |
| TAYLOR, Kenneth Douglas RESIGNED | Director | | 31 Dec 1992 | | March 1924 | 95 Nightingale House, London, E1 9UB |
| TAYLOR, Roger RESIGNED | Director | 07 Jun 1993 | 02 May 2008 | | July 1947 | 23 Belvedere House, Churchfields Avenue, Weybridge, Surrey, KT13 9XY |
| WILBY, Anthony RESIGNED | Director | 15 Dec 2003 | 03 Jul 2007 | | August 1952 | The Waveney, 15 Leighton Road, Neston, South Wirral, CH64 3SF |