| AL-HASHIMI, Bashir Mohammad Ali, Professor ACTIVE | Director | 01 Sep 2021 | | United Kingdom | January 1961 | Amelia House, Crescent Road, Worthing, West Sussex, BN11 1QR, England |
| ATKINSON, Helen Valerie, Dame ACTIVE | Director | 01 Sep 2021 | | United Kingdom | April 1960 | Amelia House, Crescent Road, Worthing, West Sussex, BN11 1QR, England |
| BUTLER-ADAMS, William David ACTIVE | Director | 01 Jan 2025 | | England | May 1974 | Amelia House, Crescent Road, Worthing, West Sussex, BN11 1QR, England |
| CARR, Michael ACTIVE | Director | 02 May 2019 | | United Kingdom | September 1955 | Amelia House, Crescent Road, Worthing, West Sussex, BN11 1QR, England |
| CHURCHILL, Andrew James ACTIVE | Director | 01 Sep 2020 | | United Kingdom | December 1968 | Amelia House, Crescent Road, Worthing, West Sussex, BN11 1QR, England |
| GOLBY, Paul, Dr ACTIVE | Director | 01 Mar 2019 | | England | February 1951 | Amelia House, Crescent Road, Worthing, BN11 1QR, United Kingdom |
| GORDON, Thomas Edward ACTIVE | Director | 01 Dec 2020 | | United Kingdom | May 1963 | Amelia House, Crescent Road, Worthing, BN11 1QR, United Kingdom |
| GRAY, Iain Gilmour, Sir ACTIVE | Director | 01 Jan 2025 | | United Kingdom | March 1957 | Amelia House, Crescent Road, Worthing, West Sussex, BN11 1QR, England |
| FEWTRELL, Joseph Edward RESIGNED | Secretary | 01 Jan 1994 | 01 Aug 2016 | | | The Old Wheel House, 31 - 37 Church Street, Reigate, Surrey, RH2 0AD, England |
| KELLY, Jeffrey Neil RESIGNED | Secretary | 01 Aug 2016 | 07 Dec 2017 | | | Amelia House, Crescent Road, Worthing, West Sussex, BN11 1QR, England |
| SEDGWICK, Keith RESIGNED | Secretary | | 31 Dec 1993 | | | Tourtour 17 Pointers Hill, Westcott, Dorking, Surrey, RH4 3PF |
| BALL, David RESIGNED | Director | 01 Apr 1998 | 11 May 2007 | | April 1941 | Chapel Cottage, Rickling Green, Saffron Walden, Essex, CB11 3YG |
| BROOK, Richard John RESIGNED | Director | 10 May 2012 | 30 Dec 2015 | England | March 1938 | Cleeve Road, Leatherhead, Surrey, KT22 7SA |
| BROOK, Richard John RESIGNED | Director | 17 Jan 2002 | 05 May 2011 | England | March 1938 | 5 Staverton Grange, 129 Banbury Road, Oxford, OX2 7AJ |
| BRYSON, Lindsay, Admiral Sir RESIGNED | Director | | 30 Nov 1997 | | January 1925 | 74 Dyke Road Avenue, Brighton, East Sussex, BN1 5LE |
| CAHILL, Frederick John, Mr. RESIGNED | Director | 01 Dec 2006 | 05 May 2016 | England | January 1954 | The Old Wheel House, 31 - 37 Church Street, Reigate, Surrey, RH2 0AD, England |
| CROSS, Harold William RESIGNED | Director | | 04 May 1995 | | April 1922 | Field House, Church Lane Mickleton, Chipping Camden, Gloucestershire, GL55 6RZ |
| DAVIES, David Evan Naunton, Sir RESIGNED | Director | 04 Sep 1997 | 11 May 2007 | | October 1935 | Church Hill House Church Lane, Danehill, Sussex, RH17 7EY |
| DENYER, Peter Brian, Professor RESIGNED | Director | 01 Jul 2007 | 22 Apr 2010 | Uk | April 1953 | 15 Sciennes Gardens, Edinburgh, EH9 1NR |
| DESVAUX, Martin Patrick, Doctor RESIGNED | Director | | 05 Sep 1996 | | November 1942 | 123 Lower Road, Bookham, Leatherhead, Surrey, KT23 4AW |
| GARRETT, Lydia Anne RESIGNED | Director | 01 Feb 1999 | 13 Oct 2000 | | September 1951 | Flat 2 Ancaster Court, Queens Road, Richmond, Surrey, TW10 6JJ |
| HIBBERT, John Christopher RESIGNED | Director | 11 May 2000 | 31 Mar 2002 | | July 1947 | The Moat House, Hoxne, Eye, Suffolk, IP21 5AZ |
| KENNEDY, Joanna Alicia Gore, Dr RESIGNED | Director | 01 Sep 2014 | 01 May 2024 | England | July 1950 | Amelia House, Crescent Road, Worthing, West Sussex, BN11 1QR, England |
| O'REILLY, John James, Sir RESIGNED | Director | 01 Jul 2008 | 31 May 2021 | United Kingdom | December 1946 | Amelia House, Crescent Road, Worthing, West Sussex, BN11 1QR, England |
| PERKS, Christopher Paul Newton RESIGNED | Director | 01 Dec 1994 | 31 Jul 2001 | | February 1952 | 3 Carlisle Road, Hampton, Middlesex, TW12 2UL |
| ROWBOTHAM, Thomas Robert, Dr RESIGNED | Director | 09 May 2012 | 31 May 2019 | England | June 1941 | Amelia House, Crescent Road, Worthing, West Sussex, BN11 1QR, England |
| ROWBOTHAM, Thomas Robert, Dr RESIGNED | Director | 01 Apr 2002 | 05 May 2011 | England | June 1941 | The Old Rectory, Little Glenham, Suffolk, IP13 0BS |
| RUDGE, Alan Walter, Sir RESIGNED | Director | 01 Feb 1997 | 30 Nov 2012 | United Kingdom | October 1937 | Cleeve Road, Leatherhead, Surrey, KT22 7SA |
| SEDGWICK, Keith RESIGNED | Director | | 07 May 1998 | | January 1934 | Tourtour 17 Pointers Hill, Westcott, Dorking, Surrey, RH4 3PF |
| SHANNON, Robert William Ernest, Professor RESIGNED | Director | 06 Feb 1997 | 31 Dec 1998 | | October 1937 | Lindisfarne, 16 Friths Drive, Reigate, Surrey, RH2 0DS |
| SMITH, James Cadzow, Dr RESIGNED | Director | | 08 May 1997 | | November 1927 | 19 St Swithins Lane, London, EC4P 4DU |
| SNOWDEN, Christopher Maxwell, Professor Sir RESIGNED | Director | 01 Nov 2010 | 30 Apr 2025 | United Kingdom | March 1956 | Amelia House, Crescent Road, Worthing, West Sussex, BN11 1QR, England |
| TAYLOR, Bernard John RESIGNED | Director | 01 Sep 2010 | 05 May 2020 | England | November 1956 | Amelia House, Crescent Road, Worthing, West Sussex, BN11 1QR, England |
| WILSON, David Andrew RESIGNED | Director | 01 Dec 2006 | 05 May 2016 | England | April 1948 | The Old Wheel House, 31 - 37 Church Street, Reigate, Surrey, RH2 0AD, England |
| WITHERS, Michael John RESIGNED | Director | | 01 Feb 1999 | | January 1938 | The Hollies Arford Road, Headley, Bordon, Hampshire, GU35 8LJ |
| WRIGHT, Michael Thomas, Professor RESIGNED | Director | 01 Sep 1995 | 16 May 2002 | | April 1947 | Evesmere, Weston On Avon, Stratford Upon Avon, Warwickshire, CV37 8JY |