| KARTAL, Lavinia ACTIVE | Secretary | 20 Feb 2011 | | | | 29, Belsize Park, London, NW3 4DX, England |
| ARON, James Solomon ACTIVE | Director | 18 Oct 2010 | | United Kingdom | October 1982 | 29, Belsize Park, London, NW3 4DX, England |
| BENIGSON, Isaac Mischa ACTIVE | Director | 27 Jun 2026 | | England | July 2001 | 29, Belsize Park, London, NW3 4DX |
| HERBST, Michael ACTIVE | Director | 21 Jun 2002 | | England | August 1969 | Flat 4 29 Belsize Park, London, NW3 4DX |
| KEMPL, Zoja ACTIVE | Director | 09 Feb 2011 | | United Kingdom | March 1961 | 29, Belsize Park, London, NW3 4DX, England |
| LANE, Clara Angela Iris ACTIVE | Director | 25 Jun 2005 | | England | February 1977 | Flat 1, 29 Belsize Park, London, NW3 4DX |
| VARESKO, Julia ACTIVE | Director | 12 Feb 2007 | | United Kingdom | March 1980 | Flat 6, 29 Belsize Park, London, NW3 4DX |
| BAYER, Jonathan Levy RESIGNED | Secretary | 13 Nov 1995 | 01 Apr 2003 | | | Flat 7, 29 Belsize Park, London, NW3 4DX |
| HERBST, Michael RESIGNED | Secretary | 01 Apr 2003 | 25 May 2008 | | | Flat 4 29 Belsize Park, London, NW3 4DX |
| KESERUE, Peter Thomas RESIGNED | Secretary | 25 May 2008 | 20 Feb 2011 | | | 38-44, Islington Park Street, London, N1 1PX, U.K. |
| RAKE, Sallie RESIGNED | Secretary | | 25 Nov 1995 | | | 29 Belsize Park, London, NW3 4DX |
| BAYER, Jonathan Levy RESIGNED | Director | | 22 Feb 2013 | United Kingdom | March 1936 | Flat 7, 29 Belsize Park, London, NW3 4DX |
| CARSLEY, Michael Robert RESIGNED | Director | 10 Apr 1997 | 15 May 2002 | | August 1969 | Flat 4 29 Belsize Park, London, NW3 4DX |
| CARSLEY, Rachel Frances RESIGNED | Director | 10 Apr 1997 | 15 May 2002 | | July 1968 | Flat 4 29 Belsize Park, London, NW3 4DX |
| CHOU, Douglas Tzyh Yun RESIGNED | Director | 13 Nov 1995 | 21 May 1999 | | November 1966 | Flat 6 29 Belsize Park, London, NW3 4DX |
| DEVIDE KESERUE, Silvia RESIGNED | Director | 01 May 2008 | 09 Feb 2011 | Italy | July 1932 | Flat 5, 29 Belsize Park, London, NW3 4DX |
| DILLEY, James RESIGNED | Director | 25 May 2008 | 18 Oct 2010 | United Kingdom | March 1967 | Flat 2, 29 Belsize Park, London, NW3 4DX, U.K. |
| HEAD, Vivian Lida RESIGNED | Director | 27 Jan 1997 | 25 Jun 2005 | | July 1946 | 17 Belsize Park Gardens, London, NW3 4JG |
| KAZANTZIDIS, Constantine RESIGNED | Director | 23 Feb 1996 | 01 Jan 2008 | | August 1969 | Flat 2 29 Belsize Park, London, NW3 4DX |
| RAKE, Sallie RESIGNED | Director | | 25 Nov 1995 | | September 1949 | 29 Belsize Park, London, NW3 4DX |
| SHEPHERD, Helen RESIGNED | Director | 25 May 2008 | 10 Apr 2024 | United Kingdom | April 1936 | Flat 3, 29 Belsize Park, London, NW3 4DX, United Kingdom |
| UPTON, Simon Dominic Parry RESIGNED | Director | 13 Nov 1995 | 04 Apr 1997 | | March 1966 | 4/29 Belsize Park, London, NW3 4DX |
| WARDLE, Andrew David RESIGNED | Director | 21 May 1999 | 12 Feb 2007 | | June 1968 | Flat 6, 29 Belsize Park, London, NW3 4DX |