| DEANE, Robert George ACTIVE | Secretary | 19 Sep 2017 | | | | Flat 1 Hill Court, 16 Parliament Hill, London, NW3 2TT, England |
| BERGMAN, Madeleine Selina ACTIVE | Director | 01 Oct 2019 | | England | December 1954 | 6, South Hill Park, London, NW3 2SB, England |
| DEANE, Robert George ACTIVE | Director | 19 Jan 2005 | | England | February 1950 | Flat 1 Hill Court, 16 Parliament Hill, London, NW3 2TT |
| HOCKFIELD, Elizabeth Ann ACTIVE | Director | 19 Sep 2017 | | England | March 1945 | 3 Hill Court, 16 Parliament Hill, London, NW3 2TT, England |
| REEVE, Laurence Frederick ACTIVE | Director | 22 Jul 2002 | | England | July 1946 | Flat 6 Hill Court, 16 Parliament Hill, London, Middlesex, NW3 2TT |
| REEVE, Laurence Frederick RESIGNED | Secretary | 19 Sep 2017 | 19 Sep 2017 | | | Flat 6 Hill Court, 16 Parliament Hill, London, NW3 2TT, England |
| STIMPSON, Mansel St John Newton RESIGNED | Secretary | | 08 Aug 2017 | | | Flat 11 Hill Court, 16 Parliament Hill Hampstead, London, NW3 2TT |
| DRUKKER, Timothy John RESIGNED | Director | 23 Jun 1997 | 22 Jul 2002 | United Kingdom | July 1961 | 15 Loveridge Road, London, NW6 2DU |
| HOCKFIELD, George Leopold RESIGNED | Director | 11 Jul 2000 | 19 Dec 2004 | | September 1933 | 3 Hill Court, Parliament Hill, London, NW3 2TT |
| MANDELSTAM, Dorothy Alma RESIGNED | Director | | 08 Dec 1996 | | November 1923 | 16 Parliament Hill, Hampstead, London, NW3 2TT |
| MANDELSTAM, Michael RESIGNED | Director | | 11 Jul 2000 | United Kingdom | March 1956 | 20 Melford Road, Sudbury, Suffolk, CO10 1LS |
| SERUWAGI, Lucy RESIGNED | Director | 01 Oct 2019 | 26 Sep 2023 | United Kingdom | January 1967 | 5 Hill Court, Parliament Hill, London, NW3 2TT, England |
| STIMPSON, Mansel St John Newton RESIGNED | Director | | 08 Aug 2017 | England | November 1937 | Flat 11 Hill Court, 16 Parliament Hill Hampstead, London, NW3 2TT |