| SEBEK, Viktor ACTIVE | Secretary | 13 Jan 2026 | | | | 59, Compayne Gardens, Hampstead, London, NW6 3DB, United Kingdom |
| CHACKO, Susan Elizabeth ACTIVE | Director | 19 Nov 2020 | | England | August 1984 | 59 Compayne Gardens, Hampstead, London, NW6 3DB |
| JOSHI, Shirish Arun ACTIVE | Director | 28 Nov 2012 | | England | June 1977 | 59, Compayne Gardens, London, NW6 3DB, England |
| SALOMON, Daphna Bima ACTIVE | Director | 01 Sep 2014 | | England | May 1981 | 59, Compayne Gardens, Flat, London, NW6 3DB, England |
| SEBEK, Viktor ACTIVE | Director | 17 May 2021 | | England | June 1979 | 59 Compayne Gardens, Hampstead, London, NW6 3DB |
| BURNETT, Susie Elizabeth RESIGNED | Secretary | 28 Feb 2001 | 01 Jul 2002 | | | 59 Compayne Gardens, South Hampstead, London, NW6 3DB |
| CENTIS, Ian RESIGNED | Secretary | 24 Mar 2012 | 24 Apr 2014 | | | 59 Compayne Gardens, Hampstead, London, NW6 3DB |
| GRAY, Wendy Ann, Doctor RESIGNED | Secretary | 13 Apr 1995 | 30 Mar 1996 | | | Flat 2 59 Compayne Gardens, London, NW6 3DB |
| GRIMSTON, John Lionel Charles RESIGNED | Secretary | 03 Jul 2005 | 28 Apr 2006 | | | Flat 2 59 Compayne Gardens, London, NW6 3DB |
| JEROMEL, Aleksander RESIGNED | Secretary | 28 Apr 2006 | 05 Apr 2008 | | | 59d Compayne Gardens, London, NW6 3DB |
| JOSHI, Shirish Arun RESIGNED | Secretary | 31 Jul 2016 | 13 Jan 2026 | | | 59 Compayne Gardens, Hampstead, London, NW6 3DB |
| MAITLAND, Valerie Eve RESIGNED | Secretary | | 09 Aug 1993 | | | Flat C 59 Compayne Gardens, London, NW6 3DB |
| RAPLEY, Vincent Michael RESIGNED | Secretary | 31 Mar 1996 | 19 Oct 1999 | | | 21 Roy Avenue, Ipswich, Suffolk, IP3 8LN |
| REVESZ, Tamas, Professor RESIGNED | Secretary | 01 Jun 2014 | 27 Jul 2016 | | | 59 Compayne Gardens, Hampstead, London, NW6 3DB |
| REVESZ, Tamas, Dr RESIGNED | Secretary | 06 Apr 2008 | 30 Apr 2010 | | | 59 Compayne Gardens, London, NW6 3DB |
| REVESZ, Tamas, Dr RESIGNED | Secretary | 10 Feb 2003 | 01 May 2004 | | | 59 Compayne Gardens, London, NW6 3DB |
| THACKRAY, Caroline Barbara RESIGNED | Secretary | 01 May 2010 | 24 Mar 2012 | | | 41a, Canfield Gardens, London, NW6 3JL, United Kingdom |
| THACKRAY, Caroline Barbara RESIGNED | Secretary | 01 May 2004 | 03 Jul 2005 | | | 59 Compayne Gardens, London, NW6 3DB |
| THACKRAY, Caroline Barbara RESIGNED | Secretary | 19 Oct 1999 | 28 Feb 2001 | | | 59 Compayne Gardens, London, NW6 3DB |
| THACKRAY, Caroline Barbara RESIGNED | Secretary | 09 Aug 1993 | 13 Apr 1995 | | | 59 Compayne Gardens, London, NW6 3DB |
| BURNETT, Susie Elizabeth RESIGNED | Director | 19 Oct 1999 | 26 Jan 2007 | | October 1976 | 59 Compayne Gardens, South Hampstead, London, NW6 3DB |
| CENTIS, Ian RESIGNED | Director | 28 Apr 2006 | 24 Apr 2014 | United Kingdom | April 1966 | 41a, Canfield Gardens, London, NW6 3JL, United Kingdom |
| DRAGOVIC, Marija RESIGNED | Director | 09 Apr 2004 | 28 Apr 2006 | | April 1973 | 59 Compayne Gardens, London, NW6 3DB |
| GRAY, Wendy Ann, Dr RESIGNED | Director | | 19 Oct 1999 | United Kingdom | February 1960 | Flat 1, 51 Compayne Gardens, London, NW6 3DB |
| GRIMSTON, John Lionel Charles RESIGNED | Director | 09 Apr 2004 | 28 Apr 2006 | United Kingdom | October 1968 | Flat 2 59 Compayne Gardens, London, NW6 3DB |
| JACKSON, Andrew Charles RESIGNED | Director | | 08 Aug 1994 | | July 1955 | Flat D 59 Compayne Gardens, London, NW6 3DB |
| JEROMEL, Aleksander RESIGNED | Director | 17 Dec 2004 | 28 Nov 2012 | United Kingdom | January 1964 | 59d Compayne Gardens, London, NW6 3DB |
| MAITLAND, Cecil Arthur RESIGNED | Director | | 01 Jul 1993 | | May 1910 | Flat C 59 Compayne Gardens, London, NW6 3DB |
| RAPLEY, Vincent Michael RESIGNED | Director | 25 Aug 1994 | 17 Dec 2004 | | October 1960 | 21 Roy Avenue, Ipswich, Suffolk, IP3 8LN |
| REVESZ, Tamas, Dr RESIGNED | Director | 16 Jul 1993 | 17 May 2021 | England | May 1948 | 59 Compayne Gardens, London, NW6 3DB |
| THACKRAY, Caroline Barbara RESIGNED | Director | | 19 Nov 2020 | England | April 1957 | 59 Compayne Gardens, London, NW6 3DB |