| LINDON, Charles Jeremy Paul ACTIVE | Secretary | 21 Mar 2007 | | | | 27 Palace Gate, London, W8 5LS |
| CLEGG, Charles George Southwell ACTIVE | Director | 13 Dec 2016 | | United Kingdom | September 1987 | 27 Palace Gate, London, W8 5LS |
| MCMORRIS, Howard ACTIVE | Director | 04 Jun 2019 | | United States | October 1944 | 27 Palace Gate, London, W8 5LS |
| THOMAS, Nancy RESIGNED | Secretary | | 21 Mar 2007 | | | 4 Chesham Street, London, SW1X 8DT |
| BAGCIOGLU, Sukru Serdar RESIGNED | Director | 11 Dec 2005 | 31 Mar 2016 | England | December 1954 | Gulveren 50k No23, Tarabya, Istanbul, 80880, FOREIGN, Turkey |
| BARNES, Russell Thomas RESIGNED | Director | 15 Sep 2004 | 10 Dec 2005 | United Kingdom | May 1945 | Flat 4 Cliveden House, 26-29 Cliveden Place, London, SW1W 8HD |
| BODDY, Charles Richard RESIGNED | Director | 01 Feb 2002 | 07 May 2015 | United Kingdom | May 1950 | New Court, Ravensdale Road, Ascot, Berkshire, SL5 9HJ |
| BOUSFIELD, Peregrine Antony Guy RESIGNED | Director | 09 Jun 1997 | 31 Jan 2002 | | December 1948 | 36 Bruton Street, London, W1X 7DD |
| DODGSON, Sarah Katie RESIGNED | Director | 06 Sep 1996 | 07 Jun 1997 | | April 1968 | 4 Chesham Street, London, SW1X 8DT |
| DOHERTY, Maureen RESIGNED | Director | 16 Feb 1996 | 20 Mar 2007 | | December 1951 | 4a Chesham Street, London, SW1X 8DT |
| FEARIS, Robert Hart RESIGNED | Director | 07 May 2015 | 03 Feb 2017 | Channel Islands | December 1962 | 27 Palace Gate, London, W8 5LS |
| FRITSCHER-RAVENS, Annettee, Prof RESIGNED | Director | 19 Mar 2007 | 05 Dec 2012 | England | April 1952 | Flat 4, 4 Chesham Street, London, SW1X 8DT |
| GHOTBI-RAVANDI, Ahmed RESIGNED | Director | | 06 Sep 1996 | | March 1948 | 4 Chesham Street, London, SW1X 8DT |
| HESKETH, Patricia Margaret RESIGNED | Director | | 18 Jun 2004 | | October 1910 | 4 Chesham Street, London, SW1X 8DT |
| JONES, Richard Dilwyn RESIGNED | Director | 08 Aug 1997 | 19 Mar 2007 | | June 1966 | 4 Chesham Street, London, SW1X 8DT |
| KHAWAM, Alexandre RESIGNED | Director | 18 Mar 2020 | 06 Oct 2021 | England | June 1988 | 27 Palace Gate, London, W8 5LS |
| LENO, Adesanya RESIGNED | Director | | 06 Feb 1997 | | October 1958 | 4 Chesham Street, London, SW1X 8DT |
| MCMORRIS, Mary A RESIGNED | Director | | 11 Dec 2009 | | May 1941 | 4 Chesham Street, London, SW1X 8DT |
| PREVIERO, Monique RESIGNED | Director | | 16 Feb 1996 | | February 1968 | 4 Chesham Street, London, SW1X 8DT |
| THOMAS, Nancy RESIGNED | Director | | 07 Jan 2015 | England | August 1918 | 4 Chesham Street, London, SW1X 8DT |