| MARLOW, Nicola ACTIVE | Secretary | 24 Aug 2020 | | | | Walker House, Millers Close The Ridgeway, Mill Hill, London, NW7 1AQ |
| MARLOW, Nicola Louise ACTIVE | Director | 24 Aug 2020 | | United Kingdom | January 1971 | Walker House, Millers Close The Ridgeway, Mill Hill, London, NW7 1AQ |
| SPENCER, Antony Robin ACTIVE | Director | 24 Aug 2020 | | United Kingdom | May 1971 | Walker House, Millers Close The Ridgeway, Mill Hill, London, NW7 1AQ |
| AXWORTHY, Roger Leonard, Dr RESIGNED | Secretary | 10 Sep 2016 | 05 Dec 2016 | | | Walker House, Millers Close The Ridgeway, Mill Hill, London, NW7 1AQ |
| AXWORTHY, Roger Leonard RESIGNED | Secretary | 01 Aug 1997 | 07 Dec 2004 | | | 121 Holyrood Crescent, St. Albans, AL1 2LY |
| FRASER, Bruce Davidson RESIGNED | Secretary | 07 Dec 2004 | 10 Sep 2016 | | | Walker House, Millers Close The Ridgeway, Mill Hill, London, NW7 1AQ |
| PULLAR, Karen Milroy RESIGNED | Secretary | | 01 Mar 1995 | | | 69 Sumatra Road, West Hampstead, London, NW6 1PT |
| STARLING, Rebecca Louise RESIGNED | Secretary | 05 Dec 2016 | 29 Aug 2018 | | | Walker House, Millers Close The Ridgeway, Mill Hill, London, NW7 1AQ |
| SUTER, Lee Ivor RESIGNED | Secretary | 01 Mar 1995 | 31 Jul 1997 | | | 113 Daws Lane, Mill Hill, London, NW7 4SJ |
| WILSON, Shaun Barrington RESIGNED | Secretary | 01 Aug 2019 | 03 Mar 2020 | | | Walker House, Millers Close The Ridgeway, Mill Hill, London, NW7 1AQ |
| BROOKE, Anthony Leonard RESIGNED | Director | 08 Jun 2011 | 24 Mar 2018 | England | October 1946 | Walker House, Millers Close, Mill Hill, London, NW7 1AQ, United Kingdom |
| FRANKLIN, David RESIGNED | Director | | 12 Jun 1996 | | October 1929 | Arethusa, Bronygarth, Weston Rhyn, Oswestry, SY10 7LY |
| GRAHAM, Alastair Caren RESIGNED | Director | | 31 Aug 1992 | | July 1932 | The Grove The Ridgeway, Mill Hill, London, NW7 1QX |
| HARVEY, Eric Stanley RESIGNED | Director | | 31 Dec 2010 | United Kingdom | September 1933 | Belstone, 4 Gills Hill Lane, Radlett, Hertfordshire, WD7 8DF |
| HAWKINS, John Richard RESIGNED | Director | | 19 Nov 1997 | | March 1947 | Belmont Mill Hill Junior School, Mill Hill, London, NW7 4ED |
| MACALPINE, Euan Archibald Macfarlane, Director RESIGNED | Director | 19 Nov 1992 | 05 Jul 1995 | | November 1940 | The Grove The Ridgeway, Mill Hill, London, NW7 1QX |
| MILLET, Andrew RESIGNED | Director | 04 Jun 2018 | 24 Aug 2020 | England | June 1968 | Walker House, The Ridgeway, Mill Hill, London, NW7 1AQ |
| MORGAN, Beverley, Lt Col RESIGNED | Director | | 19 Nov 1997 | | July 1939 | Mill Hill School The Ridgeway, London, NW7 1QS |
| NEEDHAM, Elizabeth Alison RESIGNED | Director | 03 Dec 2012 | 01 Aug 2019 | England | January 1951 | Walker House, Millers Close, London, NW7 1AQ, England |
| NOSWORTHY, George Edward RESIGNED | Director | 07 Dec 2005 | 24 Sep 2016 | England | March 1943 | 12 Gills Hill, Radlett, Hertfordshire, WD7 8BZ |
| NOSWORTHY, George Edward RESIGNED | Director | 13 Mar 1997 | 23 Mar 1998 | England | March 1943 | 12 Gills Hill, Radlett, Hertfordshire, WD7 8BZ |
| POOLE, Anthony Lethbridge RESIGNED | Director | 13 Mar 1997 | 23 Mar 1998 | | January 1929 | The Lodge California Lane, Bushey Heath, Watford, Hertfordshire, WD2 1ES |
| ROBERTS, James RESIGNED | Director | | 06 Dec 2006 | | June 1932 | Linden House, Meadow Lane, Houghton, Cambridgeshire, PE28 2BP |
| SAMUELS, Samuel Ronald RESIGNED | Director | 17 Nov 1994 | 31 Dec 2010 | United Kingdom | May 1930 | 2 Court Lodge, London Road, Shenley, Hertfordshire, WD7 9DU |
| SKINNER, William RESIGNED | Director | 13 Mar 1997 | 23 Mar 1998 | England | February 1936 | 83 The Grove, Marton In Cleveland, Middlesbrough, Cleveland, TS7 8AN |
| VERO, Geoffrey Osborne RESIGNED | Director | 12 Feb 2000 | 30 Jun 2009 | England | January 1947 | The Old Vicarage Bagshot Road, Chobham, Woking, Surrey, GU24 8DA |
| WALKER, Thomas Dickson RESIGNED | Director | | 17 Nov 1999 | | September 1912 | 53 Wolsey Road, Moor Park, Northwood, Middlesex, HA6 2ER |
| WARD, Anthony Martin RESIGNED | Director | 27 Jun 2009 | 01 Aug 2019 | United Kingdom | September 1968 | Suite 7, 6 The Broadway, Mill Hill, London Nw7 3ll, NW7 3LL, United Kingdom |
| WELCH, Andrew William RESIGNED | Director | 27 Jun 2009 | 13 Apr 2020 | England | July 1962 | 4, The Reddings, Mill Hill, London, Middlesex, NW7 4JR |
| WILSON, Shaun Barrington RESIGNED | Director | 01 Aug 2019 | 03 Mar 2020 | England | November 1961 | Walker House, Millers Close The Ridgeway, Mill Hill, London, NW7 1AQ |
| WINFIELD, William Richard RESIGNED | Director | 07 Oct 1995 | 19 Nov 1997 | | March 1947 | The Grove The Ridgeway, Mill Hill Village, London, NW7 1QX |