| CURTIS, John Ernest ACTIVE | Secretary | 08 Dec 2007 | | | | 82 Albert Street, London, NW1 7NR |
| CURTIS, John Ernest ACTIVE | Director | | | England | June 1939 | 82, Albert Street, London, NW1 7NR, England |
| JENSEN, Martin Peter ACTIVE | Director | 04 Nov 2016 | | England | June 1972 | 82, Albert Street, London, NW1 7NR, England |
| SOLLIEC, Ian Anthon Josep ACTIVE | Director | 30 Oct 2006 | | France | November 1975 | 364, Chemin Des Baumes, 34980 Montferrier-Sur-Lez, France |
| ZIOLKOWSKA, Barbara Paulina ACTIVE | Director | 15 Jun 2007 | | England | February 1957 | 34, Arlington Road, London, NW1 7HU, United Kingdom |
| ROBINSON, John Langford RESIGNED | Secretary | 15 May 1993 | 08 Dec 2007 | | | 82 Albert Street, London, NW1 7NR |
| SANDARS, Patrick John RESIGNED | Secretary | | 14 May 1993 | | | 82 Albert Street, London, NW1 7NR |
| CURRY, Julian Burnlee RESIGNED | Director | 26 May 1992 | 14 Aug 1998 | | December 1937 | 82 Albert Street, London, NW1 7NR |
| GOLD, Frederick RESIGNED | Director | | 26 May 1992 | | March 1936 | 82 Albert Street, London, NW1 7NR |
| LANKESTER, Katherine Jane, Dr RESIGNED | Director | 14 Aug 1998 | 29 Jun 2006 | | March 1969 | 82 Albert Street, London, NW1 7NR |
| ROBINSON, John Langford RESIGNED | Director | | 19 Oct 2024 | England | October 1938 | 6, Smith Dorrien, Townsend Gate, Berkhamsted, HP4 2GB, England |
| SANDARS, Patrick John RESIGNED | Director | 14 May 1993 | 22 May 1997 | | October 1962 | Hattsteiner Allee 26, 61250 Usingen, Germany |
| SANDARS, Patrick John RESIGNED | Director | | 14 May 1993 | | October 1962 | 82 Albert Street, London, NW1 7NR |
| WATNEY, Simon RESIGNED | Director | | 04 Nov 2016 | United Kingdom | March 1949 | Basement Flat, 82 Albert Street, London, NW1 7NR |