| ALVAREZ, Maria ACTIVE | Director | 29 Aug 2017 | | Spain | March 1956 | 9 Bank Road, Bristol, BS15 8LS, United Kingdom |
| KARSTEN, Edith RESIGNED | Secretary | | 15 Sep 2003 | | | 71 Aberdare Gardens, London, NW6 3AN |
| SIEGLER, Julia Ann RESIGNED | Secretary | 15 Sep 2003 | 06 Mar 2013 | | | 8 Barton Road, Luton, Bedfordshire, LU3 2BB |
| ALVAREZ, Maria RESIGNED | Director | 08 Oct 2015 | 27 Feb 2017 | Spain | March 1956 | 13/15, Carteret Street, London, SW1H 9DJ |
| ALVAREZ, Maria RESIGNED | Director | 11 Mar 2013 | 16 Dec 2013 | Spain | March 1956 | Helmores, 35/37 Grosvenor Gardens, London, SW1W 0BY, England |
| KARSTEN, Edith RESIGNED | Director | | 29 Jan 2004 | | March 1916 | 71 Aberdare Gardens, London, NW6 3AN |
| KARSTEN, Frederick, Dr RESIGNED | Director | | 10 Sep 1998 | | May 1907 | 71 Aberdare Gardens, London, NW6 3AN |
| KARSTEN, Henry Peter John RESIGNED | Director | 24 Feb 2017 | 30 Aug 2017 | Spain | October 1951 | 13/15, Carteret Street, London, SW1H 9DJ, England |
| KARSTEN, Henry Peter John RESIGNED | Director | 16 Dec 2013 | 08 Oct 2015 | Spain | October 1951 | 13/15, Carteret Street, London, SW1H 9DJ, England |
| KARSTEN, Henry Peter RESIGNED | Director | | 11 Mar 2013 | England | October 1951 | 120 Sutherland Avenue, London, W9 2QP |
| KARSTEN, Ian George Francis RESIGNED | Director | | 14 Jun 1999 | England | July 1944 | 120 Sutherland Avenue, Maida Vale, London, W9 2QP |
| SIEGLER, Julia Ann RESIGNED | Director | 15 Sep 2003 | 16 Dec 2013 | United Kingdom | August 1949 | 8 Barton Road, Luton, Bedfordshire, LU3 2BB |