| WILLIAMS, Patricia-Anne Frances Blyth ACTIVE | Secretary | 17 Sep 2009 | | | | 58 Eccleston Square, London, SW1V 1PH |
| BIDDULPH, Desmond Rollo, Dr ACTIVE | Director | 02 Oct 2010 | | United Kingdom | June 1943 | 58 Eccleston Square, London, SW1V 1PH |
| CAMPBELL, Robert Peter ACTIVE | Director | 22 Dec 2020 | | United Kingdom | October 1958 | 58 Eccleston Square, London, SW1V 1PH |
| JOHN, Christopher Digby, Dr ACTIVE | Director | 06 Aug 2020 | | Wales | June 1948 | 58 Eccleston Square, London, SW1V 1PH |
| SATO, Kemmyo Taira, Rev. Prof. ACTIVE | Director | 02 Oct 2010 | | United Kingdom | November 1939 | 58 Eccleston Square, London, SW1V 1PH |
| THOMAS, David Eifion ACTIVE | Director | 26 Mar 2026 | | Wales | July 1946 | 58 Eccleston Square, London, SW1V 1PH |
| CROUCH, Louise Margaret Ruth RESIGNED | Secretary | 06 Mar 2006 | 07 Apr 2006 | | | 5 Stanbury Close, Bosham, Chichester, West Sussex, PO18 8NS |
| MARCHANT, Louise Joan RESIGNED | Secretary | 06 Mar 2006 | 16 Jun 2009 | | | 5 Armour Close, Off Roman Way, London, N7 8SS |
| SMITH, Isabel RESIGNED | Secretary | 30 Oct 2008 | 17 Sep 2009 | | | 19, Blackmore Avenue, Southall, Middlesex, UB1 3ES |
| APPLEYARD, Bryan Crosby RESIGNED | Director | 06 Mar 2006 | 25 Sep 2008 | | June 1942 | 6 Coverdale Road, London, NW2 4BU |
| BIDDULPH, Darcy RESIGNED | Director | 31 Jul 2025 | 20 Oct 2025 | England | September 1957 | 58 Eccleston Square, London, SW1V 1PH |
| BIDDULPH, Darcy RESIGNED | Director | 31 Jul 2025 | 12 Mar 2026 | England | December 1957 | 58 Eccleston Square, London, SW1V 1PH |
| BIDDULPH, Desmond Rollo, Dr RESIGNED | Director | 06 Mar 2006 | 02 Oct 2010 | United Kingdom | June 1943 | 58 Eccleston Square, London, SW1V 1PH |
| CHAKRABARTI, Udayan RESIGNED | Director | 02 Oct 2010 | 09 Mar 2016 | England | September 1966 | 58 Eccleston Square, London, SW1V 1PH |
| CHAKRABARTI, Udayan RESIGNED | Director | 17 Oct 2009 | 02 Oct 2010 | England | September 1966 | 58 Eccleston Square, London, SW1V 1PH |
| CHITTY, Paula RESIGNED | Director | 06 Mar 2006 | 17 Oct 2009 | | April 1937 | Flat 1, 23 Redcliffe Gardens, London, SW10 9BH |
| DING, Luke Hsi Lin RESIGNED | Director | 27 Apr 2016 | 03 Sep 2019 | England | December 1964 | 58 Eccleston Square, London, SW1V 1PH |
| FINN, Graham Robert RESIGNED | Director | 21 Oct 2006 | 04 Jan 2008 | England | March 1967 | Flat 16a, 36 Buckingham Gate, London, SW1E 6PB |
| GINSBERG, Bruce Cedric RESIGNED | Director | 17 Oct 2009 | 25 Apr 2012 | United Kingdom | December 1945 | 58 Eccleston Square, London, SW1V 1PH |
| GINSBERG, Bruce Cedric RESIGNED | Director | 06 Mar 2006 | 17 Oct 2009 | United Kingdom | December 1945 | Earlstone Manor Farm, Burghclere, Newbury, RG20 9NG |
| GOONEWARDENE, Anil Dahaman RESIGNED | Director | 02 Oct 2010 | 16 Feb 2015 | United Kingdom | May 1935 | 58 Eccleston Square, London, SW1V 1PH |
| GOONEWARDENE, Anil Dahaman RESIGNED | Director | 21 Oct 2006 | 02 Oct 2010 | United Kingdom | May 1935 | 58 Eccleston Square, London, SW1V 1PH |
| HOGAN, Linda RESIGNED | Director | 06 Mar 2006 | 18 Jan 2010 | | November 1956 | 4 The Grey House, Alexandra Road, Watford, WD17 4QU |
| HYDE CHAMBERS, Frederick Rignold RESIGNED | Director | 06 Mar 2006 | 02 Oct 2010 | United Kingdom | May 1944 | 58 Eccleston Square, London, SW1V 1PH |
| HYDE-CHAMBERS, Fredrick Rignold RESIGNED | Director | 02 Oct 2010 | 25 Jan 2017 | England | May 1944 | 58 Eccleston Square, London, SW1V 1PH |
| MONTGOMERY, Jeffrey Davis RESIGNED | Director | 20 Jan 2020 | 22 Jan 2021 | United Kingdom | December 1953 | 58 Eccleston Square, London, SW1V 1PH |
| O'BRIEN, Liam RESIGNED | Director | 17 Oct 2009 | 28 Aug 2015 | United Kingdom | April 1946 | 58 Eccleston Square, London, SW1V 1PH |
| O'NEILL, Michael Francis, Dr RESIGNED | Director | 11 Mar 2016 | 17 Sep 2019 | United Kingdom | September 1962 | 58 Eccleston Square, London, SW1V 1PH |
| PATEL, Nalin Amratlal RESIGNED | Director | 17 Oct 2009 | 06 Aug 2020 | England | July 1964 | 58 Eccleston Square, London, SW1V 1PH |
| ROWLEY, John Martin RESIGNED | Director | 06 Aug 2020 | 28 Jan 2021 | United Kingdom | April 1944 | 58 Eccleston Square, London, SW1V 1PH |
| SATO, Kemmyo Taira, Rev. Prof. RESIGNED | Director | 06 Mar 2006 | 02 Oct 2010 | United Kingdom | November 1939 | 58 Eccleston Square, London, SW1V 1PH |
| SIDI, Alan, Dr RESIGNED | Director | 17 Oct 2009 | 11 Mar 2020 | United Kingdom | December 1955 | 58 Eccleston Square, London, SW1V 1PH |
| SMITH, Isabel RESIGNED | Director | 30 Oct 2008 | 09 Nov 2009 | | October 1945 | 19, Blackmore Avenue, Southall, Middlesex, UB1 3ES |
| STRUTT, Dorothy Ada Lucy RESIGNED | Director | 06 Mar 2006 | 31 Mar 2009 | | May 1941 | 27 Dunedin Road, Rainham, Essex, RM13 8LA |
| THOMAS, David Eifion RESIGNED | Director | 27 Apr 2016 | 19 Mar 2026 | United Kingdom | July 1946 | 58 Eccleston Square, London, SW1V 1PH |
| THOMAS, Eifion RESIGNED | Director | 17 Oct 2009 | 21 Jan 2012 | United Kingdom | July 1946 | 58 Eccleston Square, London, SW1V 1PH |
| WATT, James Wilfrid RESIGNED | Director | 16 May 2018 | 20 May 2019 | England | November 1951 | 58 Eccleston Square, London, SW1V 1PH |