| CHIME, Winifred ACTIVE | Secretary | 11 Jul 2022 | | | | York House, Sheet Street, Windsor, SL4 1DD, England |
| ARMITAGE, Richard James ACTIVE | Director | 30 May 2022 | | United Kingdom | October 1965 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| CABY, Damien ACTIVE | Director | 08 May 2025 | | Germany | June 1973 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| LODGE, Jane Ann ACTIVE | Director | 01 Jun 2025 | | United Kingdom | April 1955 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| MARCHANT, Ian Derek ACTIVE | Director | 01 Feb 2023 | | United Kingdom | February 1961 | York House, Sheet Street, Windsor, SL4 1DD, England |
| RYAN, Mary Patricia, Professor ACTIVE | Director | 01 Nov 2025 | | United Kingdom | September 1969 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| WOOD, Alison Jane ACTIVE | Director | 01 Nov 2024 | | United Kingdom | June 1963 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| WOON, Hin Yong Clement ACTIVE | Director | 10 May 2019 | | Switzerland | July 1959 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| BOULTON, Paul Andrew RESIGNED | Secretary | 01 Jan 2007 | 02 Oct 2017 | | | Quadrant, 55-57 High Street, Windsor, Berkshire, SL4 1LP |
| COKER, David John RESIGNED | Secretary | | 31 Dec 2006 | | | Ravenswood, 11 Star Hill Drive Churt, Farnham, Surrey, GU10 2HP |
| MACKIE, Stephanie Helen RESIGNED | Secretary | 02 Oct 2017 | 04 Jul 2022 | | | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| AIKMAN, Elizabeth Jane RESIGNED | Director | 31 Jul 2017 | 07 May 2026 | United Kingdom | December 1965 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| BUNCH, Helen Patricia RESIGNED | Director | 24 Feb 2016 | 08 May 2025 | England | August 1965 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| CASTER, Douglas RESIGNED | Director | 14 Feb 2014 | 29 Jun 2023 | United Kingdom | May 1953 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| COOPER, Frank, The Rt Hon Sir RESIGNED | Director | | 10 Jun 1994 | | December 1922 | 34 Camden Park Road, Chislehurst, Kent, BR7 5HG |
| COX, Alan George, Sir RESIGNED | Director | 27 Jan 1995 | 23 Apr 2004 | United Kingdom | August 1936 | Mulberry House, St Arvans, Chepstow, Gwent, NP16 6EY |
| DANGERFIELD, Kevin Jeremy RESIGNED | Director | 04 Aug 2006 | 31 Mar 2016 | United Kingdom | January 1967 | Quadrant, 55-57 High Street, Windsor, Berkshire, SL4 1LP |
| DAVIES, David Charles RESIGNED | Director | 14 Mar 2000 | 31 Mar 2002 | | May 1955 | Hallcroft House Manor Road, Penn, High Wycombe, Buckinghamshire, HP10 8HY |
| DE LASTOURS, Aymar, Mons RESIGNED | Director | | 11 Jun 1999 | | August 1929 | 6 Rue D'Astorg, 75008 Paris, France |
| EISELLE, Hartmut Hermann, Dr RESIGNED | Director | 01 Mar 2005 | 09 Dec 2005 | | September 1953 | Lenzhalde 35, Ostfildern, D-73760, Germany |
| FARMER, Edwin Bruce, Dr RESIGNED | Director | | 12 Dec 2003 | England | September 1936 | Weston House Bracken Close, Wonersh, Guildford, Surrey, GU5 0QS |
| FLOWER, Martin Charles RESIGNED | Director | 10 Dec 2004 | 09 May 2014 | England | July 1946 | Quadrant, 55-57 High Street, Windsor, Berkshire, SL4 1LP |
| GIVEN, Andrew Ferguson RESIGNED | Director | 07 Dec 2007 | 31 Dec 2014 | United Kingdom | November 1947 | Quadrant, 55-57 High Street, Windsor, Berkshire, SL4 1LP |
| GODWIN, David Christopher RESIGNED | Director | 31 Jul 1998 | 31 Dec 2005 | United Kingdom | March 1939 | 11 Clareville Grove, London, SW7 5AU |
| HEALE, Simon John Newton RESIGNED | Director | 18 Feb 2005 | 31 Mar 2014 | England | April 1953 | 22, Queens Mews, London, W2 4BZ |
| HOSTY, Andrew Joseph, Dr RESIGNED | Director | 28 Jul 2010 | 08 Jan 2016 | England | February 1965 | Quadrant, 55-57 High Street, Windsor, Berkshire, SL4 1LP |
| HOWARD, Nigel Grant RESIGNED | Director | 10 Jul 1992 | 31 Dec 2003 | Great Britain | July 1945 | Long Oaks, Pennymead Drive, East Horsley, Surrey, KT24 5AH |
| JONES, Brian Reginal Standen, Dr RESIGNED | Director | | 31 Dec 1993 | | September 1930 | 2 Islet Park House, Islet Park, Maidenhead, Berkshire, SL6 8LE |
| KNOWLTON, Warren Decatur RESIGNED | Director | 09 Dec 2002 | 03 Aug 2006 | | July 1946 | 29709 Somerset, Perrysburg, Ohio 43551, Usa |
| KYLBERG, Lars Vilhelm RESIGNED | Director | 01 Sep 1996 | 30 Nov 2006 | | March 1940 | Ostermalmsgatan 101, Stockholm, Se 11549, Sweden |
| LEJMAN, Mark Timothy RESIGNED | Director | 01 Mar 2005 | 02 Jan 2008 | United Kingdom | October 1956 | Greystones, St Marys Road, South Ascot, Berkshire, SL5 9AX |
| LIAO, Donald Poon-Huai RESIGNED | Director | | 11 Jun 1999 | | October 1929 | 95a Kadoorie Avenue, Kowloon, Hong Kong |
| MACFARLANE, William Edward RESIGNED | Director | 09 Oct 2002 | 17 Apr 2003 | | March 1948 | Little Barn, Holme Park Farm Lane, Sonning, Reading, Berkshire, RG4 6SX |
| MACHALE, Joseph Patrick RESIGNED | Director | 01 Oct 2003 | 18 Apr 2008 | England | August 1951 | The Old House, Wonston, Winchester, Hampshire, SO21 3LS |
| MARGERIE, Victorie Anne De RESIGNED | Director | 08 May 2012 | 04 Feb 2016 | France | April 1963 | Quadrant, 55-57 High Street, Windsor, Berkshire, SL4 1LP |
| MAUNDRELL, Victor James RESIGNED | Director | 09 Jul 1993 | 15 Mar 1999 | | May 1948 | 12 Darville Houses, Oxford Road East, Windsor, Berkshire, SL4 1EF |
| MULDOWNEY, Peter RESIGNED | Director | 01 Aug 1997 | 15 Mar 1999 | | December 1941 | Ground Floor Flat, 48 Lennox Gardens, London, SW1X ODJ |
| MULLIEZ, Laurence Blanche Lucette Eleonore RESIGNED | Director | 06 May 2016 | 01 Nov 2024 | England | February 1966 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| NORRIS, Ian Pearson RESIGNED | Director | | 09 Oct 2002 | | February 1943 | Cedar Cottage Hedsor Road, Bourne End, Buckinghamshire, SL8 5DH |
| PERLE, Richard RESIGNED | Director | | 06 Jun 2003 | | September 1941 | 5 Grafton Street, Chevy Chase, Md20815, Usa |
| RABY, Peter RESIGNED | Director | 01 Aug 2015 | 01 Jul 2025 | England | November 1967 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| ROBERTSHAW, Mark RESIGNED | Director | 20 Oct 2004 | 31 Dec 2014 | United Kingdom | May 1968 | Quadrant, 55-57 High Street, Windsor, Berkshire, SL4 1LP |
| ROWLEY, Robert Oscar RESIGNED | Director | 14 Feb 2014 | 31 Jul 2017 | England | August 1949 | Quadrant 55-57, High Street, Windsor, Berkshire, SL4 1LP, United Kingdom |
| SHILSTON, Andrew Barkley RESIGNED | Director | 08 May 2012 | 31 Dec 2018 | United Kingdom | October 1955 | Quadrant, 55-57 High Street, Windsor, Berkshire, SL4 1LP |
| SIMONIS, Peter George RESIGNED | Director | | 07 Jun 1996 | | June 1926 | Cheyne Cottage 65 Royal Hospital Road, London, SW3 4HS |
| SMITH, Andrew Reynolds RESIGNED | Director | 10 May 2013 | 06 May 2016 | United Kingdom | May 1966 | Quadrant 55-57, High Street, Windsor, Berkshire, SL4 1LP, United Kingdom |
| SPOONER, James Douglas, Sir RESIGNED | Director | | 31 Dec 1997 | | July 1932 | 52 Clarendon Road, London, W11 2HH |
| STEVENSON, Timothy Edwin Paul RESIGNED | Director | 01 Dec 2006 | 31 Jul 2012 | United Kingdom | May 1948 | Quadrant, 55-57 High Street, Windsor, Berkshire, SL4 1LP |
| SWETMAN, Graham Dudley RESIGNED | Director | | 26 May 2000 | United Kingdom | September 1943 | Giles House, Broadlands Road, Brockenhurst, Hampshire, SO42 7SX |
| TURNER, Peter Andrew RESIGNED | Director | 11 Apr 2016 | 30 May 2022 | England | May 1970 | York House, Sheet Street, Windsor, SL4 1DD, United Kingdom |
| WHITMORE, Clive Anthony, Sir RESIGNED | Director | 08 Sep 1994 | 31 Dec 2004 | United Kingdom | January 1935 | New Court, St Swithins Lane, London, EC4P 4DU |
| YOUNG, Nigel Robert RESIGNED | Director | 08 Apr 2002 | 14 Sep 2004 | England | June 1953 | Rosemullion, Bulstrode Way, Gerrards Cross, Buckinghamshire, SL9 7QU |