| LAST, Hugh Murray Alexander ACTIVE | Secretary | 16 Apr 2018 | | | | 27 Pemberton Gardens, London, N19 5RR |
| DOBLE, James Mark Kelvin ACTIVE | Director | 03 Sep 2021 | | England | May 1984 | 27 A Pemberton Gardens, Pemberton Gardens, London, N19 5RR, England |
| DOREY, Louise Clare ACTIVE | Director | 08 Jun 2004 | | Spain | October 1970 | 27 Pemberton Gardens, London, N19 5RR |
| GERRATT, Anna Helen Nadia ACTIVE | Director | 22 Apr 2018 | | England | May 1971 | 27c, Pemberton Gardens, London, N19 5RR, England |
| LAST, Hugh Murray Alexander ACTIVE | Director | 01 Jan 2017 | | England | March 1975 | 27 Pemberton Gardens, London, N19 5RR |
| ALMOND, John Alan, Dr RESIGNED | Secretary | | 03 Mar 1994 | | | 27 Pemberton Gardens, London, N19 5RR |
| LAMBERT, Deborah Catherine RESIGNED | Secretary | 23 Jun 2008 | 09 Jan 2014 | | | 27 Pemberton Gardens, London, N19 5RR |
| LAMBERT, Deborah Catherine RESIGNED | Secretary | 21 Jan 2000 | 20 Sep 2002 | | | 27a, Pemberton Gardens, London, N19 5RR |
| RAE, Francis John RESIGNED | Secretary | 15 Jan 2014 | 02 Apr 2018 | | | 27 Pemberton Gardens, London, N19 5RR |
| TREISMAN, Richard Henry, Doctor RESIGNED | Secretary | 03 Mar 1994 | 21 Jan 2000 | | | 56 Gladsmuir Road, Upper Holloway, London, N19 3JU |
| WYATT, Helen Jane RESIGNED | Secretary | 20 Sep 2002 | 23 Jun 2008 | | | 27c Pemberton Gardens, London, N19 5RR |
| ALMOND, John Alan, Dr RESIGNED | Director | | 26 Apr 1994 | | October 1958 | 27 Pemberton Gardens, London, N19 5RR |
| CORMACK, Robin Sinclair, Professor RESIGNED | Director | | 10 Feb 1995 | | September 1938 | 27 Pemberton Gardens, London, N19 5RR |
| CROSTHWAITE, Adam Jonathan RESIGNED | Director | 21 Jan 2000 | 08 Jun 2004 | | July 1967 | 27b Pemberton Gardens, London, N19 5RR |
| HAIRSINE, Lucinda Jane RESIGNED | Director | 03 Mar 2014 | 03 Sep 2021 | England | March 1983 | 27a, Pemberton Gardens, London, N19 5RR, England |
| KAY-KREIZMAN, Pandora Isobel RESIGNED | Director | 10 Feb 1995 | 23 May 2003 | | March 1963 | 27d Pemberton Gardens, London, N19 5RR |
| LAMBERT, Deborah Catherine RESIGNED | Director | 26 Apr 1994 | 03 Mar 2014 | England | September 1949 | 27 Pemberton Gardens, London, N19 5RR |
| MATHURIN, Peter Matthew RESIGNED | Director | 29 May 2003 | 29 Jun 2012 | United Kingdom | December 1969 | 27 Pemberton Gardens, London, N19 5RR |
| PERKINS, Cary Tazewell RESIGNED | Director | 14 Oct 2012 | 31 Dec 2016 | United Kingdom | March 1974 | 27 Pemberton Gardens, London, N19 5RR |
| RAE, Francis John RESIGNED | Director | 22 Jun 2009 | 14 Apr 2018 | England | April 1974 | 27 Pemberton Gardens, London, N19 5RR |
| ROBERTSON, Marylyn Susan RESIGNED | Director | | 27 Jun 2001 | | August 1942 | 27c Pemberton Gardens, London, N19 5RR |
| TREISMAN, Richard Henry, Doctor RESIGNED | Director | | 21 Jan 2000 | | October 1954 | 56 Gladsmuir Road, Upper Holloway, London, N19 3JU |
| WATKINS, Thomas Fraser RESIGNED | Director | 03 Mar 2014 | 03 Sep 2021 | England | June 1983 | 27a, Pemberton Gardens, London, N19 5RR, England |
| WILKINS, Robert John RESIGNED | Director | 14 Oct 2012 | 31 Dec 2016 | United Kingdom | October 1971 | 27 Pemberton Gardens, London, N19 5RR |
| WYATT, Helen Jane RESIGNED | Director | 27 Jun 2001 | 10 Oct 2009 | England | August 1971 | 54b, Woodbury Park Road, Tunbridge Wells, Kent, TN4 9NG |