| CHERITON-JONES, Sarah Louise ACTIVE | Secretary | 31 Aug 2003 | | | | Garden Flat, 6 Hampstead Hill Gardens, London, NW3 2PL |
| CHERITON-JONES, Sarah Louise ACTIVE | Director | 31 Aug 2003 | | United Kingdom | May 1968 | Garden Flat, 6 Hampstead Hill Gardens, London, NW3 2PL |
| EIFION JONES, Jonathan Richard ACTIVE | Director | 05 May 2006 | | United Kingdom | January 1957 | Garden Flat, 6 Hampstead Hill Gardens, London, NW3 2PL |
| HAGAN, Susannah Kay, Professor ACTIVE | Director | 13 May 1999 | | England | August 1951 | 6 Hampstead Hill Gardens, London, NW3 2PL |
| PREVOST, Marie-Laure ACTIVE | Director | 09 Jun 2017 | | United Kingdom | May 1973 | 6 Hampstead Hill Gardens, Hampstead, London, NW3 2PL |
| CHILDS, Curtis Malcolm RESIGNED | Secretary | 12 Nov 1994 | 01 Oct 1997 | | | 6 Hampstead Hill Gardens, London, NW3 2PL |
| CHILDS, Mary Beth Sutter RESIGNED | Secretary | 12 Nov 1994 | 19 Jul 1999 | | | 6 Hampstead Hill Gardens, London, NW3 2PL |
| GRANT, Barbara RESIGNED | Secretary | | 30 Nov 1994 | | | 6 Hampstead Hill Gardens, London, NW3 2PL |
| LABADI, Yvonne Margaret RESIGNED | Secretary | 01 Nov 1999 | 31 Aug 2003 | | | Garden Flat 6 Hampstead Hill Gardens, Hampstead, London, NW3 2PL |
| BEGGS, Peter RESIGNED | Director | | 10 Oct 1996 | | September 1933 | 6 Hampstead Hill Gardens, London, NW3 2PL |
| CHILDS, Curtis Malcolm RESIGNED | Director | 12 Nov 1994 | 19 Jul 1999 | | June 1962 | 6 Hampstead Hill Gardens, London, NW3 2PL |
| CHILDS, Mary Beth Sutter RESIGNED | Director | 12 Nov 1994 | 19 Jul 1999 | | September 1962 | 6 Hampstead Hill Gardens, London, NW3 2PL |
| COSTANZELLI, Antonella RESIGNED | Director | 23 May 2007 | 09 Jun 2017 | United Kingdom | August 1974 | First Floor, 6 Hampstead Hill Gardens, London, NW3 2PL |
| DI GENNARO, Vincenzo RESIGNED | Director | 23 May 2007 | 09 Jun 2017 | United Kingdom | March 1975 | First Floor, 6 Hampstead Hill Gardens, London, NW3 2PL |
| DURNFORD, Angela RESIGNED | Director | 10 Oct 1996 | 13 May 1999 | | September 1963 | 6 Hampstead Hill Gardens, Hampstead, London, NW3 2PL |
| GRANT, Barbara RESIGNED | Director | | 07 Dec 2011 | United Kingdom | April 1922 | 6 Hampstead Hill Gardens, London, NW3 2PL |
| GRANT, Charlotte Helen, Dr RESIGNED | Director | 07 Dec 2011 | 02 Dec 2012 | United Kingdom | August 1965 | 67, Palfrey Place, London, SW8 1AR, United Kingdom |
| LABADI, Walid RESIGNED | Director | 30 Aug 1996 | 31 Aug 2003 | | July 1961 | 6 Hampstead Hill Gardens, Hampstead, London, NW3 2PL |
| LABADI, Yvonne Margaret RESIGNED | Director | 30 Aug 1996 | 31 Aug 2003 | | January 1955 | Garden Flat 6 Hampstead Hill Gardens, Hampstead, London, NW3 2PL |
| SIMPSON, Damian Matthew RESIGNED | Director | 27 Mar 2025 | 24 Aug 2026 | United Kingdom | May 1982 | 6 Hampstead Hill Gardens, Hampstead, London, NW3 2PL |
| SUDDABY, Joseph Peter Hurst RESIGNED | Director | 02 Dec 2012 | 12 Dec 2024 | United Kingdom | November 1977 | 6 Hampstead Hill Gardens, Hampstead, London, NW3 2PL |
| TAFFEL, Adrienne Christie RESIGNED | Director | | 31 Oct 1994 | | October 1957 | 6 Hampstead Hill Gardens, Hampstead, London, NW3 2PL |
| THEOCHAROPOLOUS, Nicholas RESIGNED | Director | 19 Jul 1999 | 23 May 2007 | | July 1968 | 6 Hampstead Hill Gardens, London, NW3 2PL |
| TIZARD, Barbara, Prof RESIGNED | Director | | 30 Aug 1996 | | April 1926 | 6 Hampstead Hill Gardens, London, NW3 2PL |