| GIBSON, Raphaella Anais Emily ACTIVE | Director | 11 Feb 2026 | | England | February 2001 | 13, Belsize Grove, London, NW3 4UX |
| MAGNUS, Lesley Ann ACTIVE | Director | 14 Mar 2019 | | England | November 1957 | 13, Belsize Grove, London, NW3 4UX |
| NELSON, Elsa ACTIVE | Director | 31 Jul 2014 | | United Kingdom | April 1941 | 13, Belsize Grove, London, NW3 4UX, Great Britain |
| O'CONNOR, David Henry ACTIVE | Director | 14 Aug 2026 | | England | November 1968 | 13, Belsize Grove, London, NW3 4UX |
| RUSHTON, Malcolm Leslie, Dr ACTIVE | Director | 29 May 1996 | | England | December 1947 | Flat 3 13 Belsize Grove, London, NW3 4UX |
| BARTL, Caroline RESIGNED | Secretary | 30 Apr 2004 | 28 Aug 2007 | | | Flat 7, 13 Belsize Grove, London, NW3 4UX |
| LICHTENSTEIN, Edwin Albert RESIGNED | Secretary | | 02 Mar 2004 | | | 13 Belsize Grove, London, NW3 4UX |
| RUSHTON, Malcolm Leslie, Dr RESIGNED | Secretary | 02 Mar 2004 | 30 Apr 2004 | | | Flat 3 13 Belsize Grove, London, NW3 4UX |
| WOLMAN, Allan RESIGNED | Secretary | 28 Aug 2007 | 21 Nov 2012 | | | Flat 1, 13 Belsize Grove, London, NW3 4UX |
| BARTL, Caroline RESIGNED | Director | 21 Apr 1998 | 15 Sep 2009 | United Kingdom | February 1951 | Flat 7, 13 Belsize Grove, London, NW3 4UX |
| BLOOM, Stanley Leslie Frank RESIGNED | Director | 05 May 2006 | 14 Mar 2019 | England | December 1947 | 9 13 Belsize Grove, London, NW3 4UX |
| COLEBY, Myer Victor RESIGNED | Director | | 12 Mar 1997 | | May 1923 | 13 Belsize Grove, London, NW3 4UX |
| ELLEDGE, David RESIGNED | Director | 15 Sep 2009 | 05 Aug 2013 | United Kingdom | November 1970 | Flat 7, 13 Belsize Grove, London, NW3 4UX |
| GUARDERAS, Paula Rae RESIGNED | Director | 30 Oct 2024 | 26 Nov 2025 | England | October 1968 | 13, Belsize Grove, 13 Belsize Grove, London, London, NW3 4UX, United Kingdom |
| LICHTENSTEIN, Edwin Albert RESIGNED | Director | | 02 Mar 2004 | | March 1923 | 13 Belsize Grove, London, NW3 4UX |
| MORGAN, Jonathan Michael RESIGNED | Director | 10 Dec 2009 | 17 Nov 2014 | United Kingdom | May 1978 | Flat 5 13, Belsize Grove, London, NW3 4UX |
| MOUJAES, Bassam Emile RESIGNED | Director | | 16 Dec 1992 | | February 1951 | 13 Belsize Grove, London, NW3 4UX |
| O'CONNOR, Sheila Renee RESIGNED | Director | 06 Oct 2023 | 03 Aug 2026 | United Kingdom | September 1972 | 13, Belsize Grove, London, NW3 4UX |
| PALING, Graham Richard RESIGNED | Director | 28 Apr 1997 | 05 May 2006 | | July 1965 | Flat 9 13 Belsize Grove, London, NW3 4UX |
| PINKERTON-ROLET, Lori RESIGNED | Director | | 29 May 1996 | | September 1959 | Flat 3 13 Belsize Grove, London, NW3 4UX |
| ROBINSON-MILLAR, Margaret Christine RESIGNED | Director | | 28 Oct 2007 | | May 1934 | Flat 5 13 Belsize Grove, London, NW3 4UX |
| RUMBLE, Jane Elizabeth RESIGNED | Director | 05 Aug 2013 | 04 Sep 2023 | England | October 1969 | 13, Belsize Grove, London, NW3 4UX, England |
| STOKES, Mary Elizabeth RESIGNED | Director | 17 Nov 2014 | 16 Oct 2024 | England | December 1957 | 13, Belsize Grove, London, NW3 4UX |
| ULLSTEIN, Betty RESIGNED | Director | 22 Sep 1995 | 04 Oct 1996 | | December 1907 | 13 Belsize Grove, London, NW3 4UX |
| ULLSTEIN, Leopold Alexander RESIGNED | Director | | 22 Mar 1995 | | March 1906 | 13 Belsize Grove, London, NW3 4UX |
| WOLMAN, Allan RESIGNED | Director | 01 Aug 2006 | 21 Nov 2012 | United Kingdom | October 1929 | Flat 1, 13 Belsize Grove, London, NW3 4UX |
| WOLMAN, Gillian, Dr RESIGNED | Director | 26 Nov 2012 | 31 Jul 2014 | England | February 1946 | 13, Belsize Grove, London, NW3 4UX, England |