| CAMPBELL, Louise Jane ACTIVE | Director | 23 Nov 2020 | | England | December 1970 | 23, Well Walk, Flat 2, London, NW3 1BY, England |
| MAASSEN, Doris Constanze ACTIVE | Director | 12 Oct 2017 | | Germany | October 1968 | 16, Heinrich-Knote-Strasse, 82343 Poecking, Germany |
| MAASSEN, Frank, Dr ACTIVE | Director | 12 Oct 2017 | | Germany | December 1965 | 16, Heinrich-Knote-Strasse, 82343 Poecking, Germany |
| WHITCOMB, Kathryn Ann, Mrs. ACTIVE | Director | 30 Sep 2016 | | England | November 1949 | 23 Well Walk,, London,, NW3 1BY |
| KIRKPATRICK, David Johnston O'Brien, Dr RESIGNED | Secretary | 12 Oct 2017 | 23 Nov 2020 | | | Flat 2, 23, Well Walk, London, NW3 1BY, England |
| SHAW, Andrew Martin RESIGNED | Secretary | | 19 Sep 2017 | | | 23 Well Walk, London, NW3 1BY |
| BEECH, Peter Mark RESIGNED | Director | | 25 Jan 1999 | | September 1960 | Flat 3 23 Well Walk, Hampstead, London, NW3 1BY |
| DYSON, Justin Philip William, Mr. RESIGNED | Director | 10 Jan 2010 | 30 Sep 2016 | United Kingdom | January 1967 | 23 Well Walk,, London,, NW3 1BY |
| FENTON, Alexandra Frances Leonie RESIGNED | Director | 18 Jun 1992 | 27 Sep 1996 | | November 1966 | 23 Well Walk, London, NW3 1BY |
| HANCOCK, Marion Jane RESIGNED | Director | 26 Jan 1997 | 23 Nov 2020 | England | March 1954 | 23 Well Walk,, London,, NW3 1BY |
| REED, John Robert RESIGNED | Director | 17 Nov 1993 | 10 Jan 2010 | England | April 1957 | 23 Well Walk Flat 1, Hampstead, London, NW3 1BY |
| SANDRASAGRA, Francis Arrendren, Doctor RESIGNED | Director | 26 Jan 1999 | 12 Jan 2006 | | December 1939 | Flat 3 23 Well Walk, London, NW3 1BY |
| SANDRASAGRA, Madhurika Bernadette RESIGNED | Director | 14 Jan 2006 | 19 Sep 2017 | England | September 1974 | Flat 3 23 Well Walk, Hampstead, NW3 1BY |
| SHAW, Andrew Martin RESIGNED | Director | | 19 Sep 2017 | England | December 1953 | 23 Well Walk, London, NW3 1BY |