| BRENNAN, Geraldine ACTIVE | Secretary | 23 Apr 2004 | | | | 5a Mackeson Road, London, NW3 2LU |
| BASS, Guy Selwyn ACTIVE | Director | 26 Sep 2011 | | United Kingdom | May 1975 | 5 Mackeson Road,, London,, NW3 2LU |
| BRENNAN, Geraldine ACTIVE | Director | 04 Apr 2003 | | United Kingdom | December 1955 | 5a Mackeson Road, London, NW3 2LU |
| GIBSON, Ruth Charlotte ACTIVE | Director | 26 Sep 2011 | | England | February 1976 | 5 Mackeson Road,, London,, NW3 2LU |
| PEROCCO, Tatiana Napoleao ACTIVE | Director | 20 Jun 2017 | | England | June 1985 | 5 Mackeson Road, London, Mackeson Road, London, NW3 2LU, England |
| CHIPPERFIELD, Adrian George RESIGNED | Secretary | 14 Jun 1991 | 15 Jan 2000 | | | 5 Mackeson Road, London, NW3 2LU |
| FLYNN, Nicholas John RESIGNED | Secretary | 15 Jan 2000 | 06 Aug 2002 | | | 5 Mackeson Road, London, NW3 2LU |
| RAWNSLEY, Jennie Elizabeth RESIGNED | Secretary | 06 Aug 2002 | 23 Apr 2004 | | | Top Flat 5 Mackeson Road, Southend Green, London, NW3 2LU |
| ROBERTSON, Olga RESIGNED | Secretary | | 14 May 1991 | | | 5 Mackeson Road, London, NW3 2LU |
| ALDRIDGE, Charlotte RESIGNED | Director | 14 Jun 1991 | 18 Mar 1994 | | April 1957 | 5 Mackeson Road, London, NW3 2LU |
| ANSON, Andrew Edward RESIGNED | Director | 16 Jun 1995 | 06 Aug 2002 | | October 1964 | Top Flat 5 Mackeson Road, London, NW3 2LU |
| CHIPPERFIELD, Adrian George RESIGNED | Director | | 04 Jun 2017 | England | September 1946 | 5 Mackeson Road, London, NW3 2LU |
| FOLKMAN, David Thomas RESIGNED | Director | 23 Apr 2004 | 01 Oct 2006 | | November 1975 | Top Flat, 5 Mackeson Road, London, NW3 2LU |
| FOLKMAN, James Peter Ben RESIGNED | Director | 01 Oct 2006 | 25 Sep 2011 | England | March 1980 | 5, Mackeson Road, London, NW3 2LU |
| GREEN, Victoria Jill RESIGNED | Director | 23 Apr 2004 | 21 Jul 2006 | | October 1977 | Top Flat 5 Mackeson Road, London, NW3 2LU |
| LUCAS, David RESIGNED | Director | | 30 Apr 1995 | | October 1953 | 5 Mackeson Road, London, NW3 2LU |
| LUCAS, Erika RESIGNED | Director | | 26 Jun 1995 | | October 1953 | 5 Mackeson Road, London, NW3 2LU |
| MURPHY, Marie RESIGNED | Director | | 04 Jun 2017 | England | December 1959 | 5 Mackeson Road, London, NW3 2LU |
| PLUMPTON, Gavin RESIGNED | Director | | 14 May 1991 | | January 1956 | 5 Mackeson Road, London, NW3 2LU |
| RAWNSLEY, Jennie Elizabeth RESIGNED | Director | 06 Aug 2002 | 23 Apr 2004 | | June 1969 | Top Flat 5 Mackeson Road, Southend Green, London, NW3 2LU |
| ROBERTSON, Olga RESIGNED | Director | | 16 May 1991 | | January 1947 | 5 Mackeson Road, London, NW3 2LU |
| SCHNEIDER, Loraine Jacqueline RESIGNED | Director | 18 Mar 1994 | 04 Apr 2003 | | March 1966 | 5a Mackeson Road, London, NW3 2LU |
| SMITH, Phillip Andrew RESIGNED | Director | 14 Jun 1991 | 18 Mar 1994 | | February 1955 | 5 Mackeson Road, London, NW3 2LU |
| WHEWELL, Lisa Mary RESIGNED | Director | 26 Jun 1995 | 06 Aug 2002 | | April 1968 | Top Flat Mackeson Road, London, NW3 2LU |
| WICKS, Spencer Henderson RESIGNED | Director | 18 Mar 1994 | 04 Apr 2003 | | June 1966 | 5a Mackeson Road, London, NW3 2LU |