| MATTINGLY, Roger Alan Richard ACTIVE | Secretary | 17 Jul 2015 | | | | 2 Ayot House, Ayot St. Lawrence, Welwyn, Hertfordshire, AL6 9BP, England |
| AEGERTER, Nicholas ACTIVE | Director | | | United Kingdom | December 1946 | 5 Ayot House, Ayot St Lawrence, Welwyn, Hertfordshire, AL6 9BP |
| BERRINGTON, William Nicholas Huggonson ACTIVE | Director | 12 Oct 2020 | | England | May 1954 | Coach House, Ayot St. Lawrence, Welwyn, AL6 9BP, England |
| JACKSON, Lesley Jean ACTIVE | Director | 01 Sep 2025 | | England | December 1943 | 6 Ayot House, Ayot St. Lawrence, Welwyn, AL6 9BP, England |
| MATTINGLY, Roger Alan Richard ACTIVE | Director | 17 Jul 2015 | | England | October 1960 | 2 Ayot House, Ayot St. Lawrence, Welwyn, Hertfordshire, AL6 9BP, England |
| MORRISEY, Philip Mark ACTIVE | Director | 12 Sep 2014 | | United Kingdom | October 1965 | 4 Ayot House, Ayot St. Lawrence, Welwyn, Hertfordshire, AL6 9BP, England |
| ROBINSON, Neil Eliott ACTIVE | Director | 15 Oct 2005 | | United Kingdom | November 1960 | 1 Ayot House, Ayot St Lawrence, Welwyn, Hertfordshire, AL6 9BP |
| AEGERTER, Nicholas RESIGNED | Secretary | 11 Oct 1996 | 23 Nov 2010 | | | 5 Ayot House, Ayot St Lawrence, Welwyn, Hertfordshire, AL6 9BP |
| BODDINGTON, Christine Helen RESIGNED | Secretary | | 21 Jun 1992 | | | 1 Ayot House, Ayot St Lawrence, Welwyn, Hertfordshire, AL6 9BP |
| CUMMING, Fiona Jean RESIGNED | Secretary | 21 Jun 1992 | 31 Aug 1994 | | | The Coach House, Ayot House Ayot St Lawrence, Welwyn, Herts, AL6 9BP |
| SHARP, Howard Graham RESIGNED | Secretary | 23 Nov 2010 | 17 Jul 2015 | | | 2, Ayot House, Ayot St. Lawrence, Welwyn, Hertfordshire, AL6 9BP, England |
| WEBB, Olive Mary RESIGNED | Secretary | 31 Aug 1994 | 11 Oct 1996 | | | 4 Ayot House, Ayot St Lawrence, Welwyn, Hertfordshire, AL6 9BP |
| BARNES, Keith Reginald RESIGNED | Director | | 30 Sep 1994 | | February 1941 | 3 Ayot House, Ayot St Lawrence, Welwyn, Hertfordshire, AL6 9BP |
| BODDINGTON, Timothy C B RESIGNED | Director | | 15 Oct 2005 | | November 1945 | 1 Ayot House, Ayot St Lawrence, Welwyn, Hertfordshire, AL6 9BP |
| BROOKE, Peter RESIGNED | Director | 31 Aug 1994 | 12 Dec 2006 | | November 1952 | The Coach House, Ayot St Lawrence, Welwyn, Hertfordshire, AL6 9BP |
| COOKE, Timothy Hugh RESIGNED | Director | | 22 May 1992 | | March 1943 | The Coppice, Bowden Hill, Lacock Chippenham, Wiltshire, SN15 2PP |
| CRISP, Jeremy Michael Gascoyne RESIGNED | Director | 11 Oct 1996 | 20 Oct 2000 | | January 1946 | 4 Ayot House, Ayot St Lawrence, Welwyn, Hertfordshire, AL6 9BP |
| CULLEY, Derek James RESIGNED | Director | 22 Mar 1996 | 31 Aug 2001 | | August 1932 | 2 Ayot House, Ayot St Lawrence, Welwyn, Hertfordshire, AL6 9BP |
| CUMMING, Fiona Jean RESIGNED | Director | | 31 Aug 1994 | | August 1951 | The Coach House, Ayot House Ayot St Lawrence, Welwyn, Herts, AL6 9BP |
| DESMOND, Nigel Francis RESIGNED | Director | 26 Jan 2001 | 12 Sep 2014 | United Kingdom | August 1967 | 4 Ayot House, Ayot St Lawrence, Hertfordshire, AL6 9BP |
| HARRISON, John Jeremy RESIGNED | Director | 30 Sep 1994 | 09 Nov 2017 | United Kingdom | April 1935 | 3 Ayot House, Ayot St Lawrence, Welwyn, Hertfordshire, AL6 9BP |
| HOCHBERG, Arthur Greg RESIGNED | Director | 31 Aug 2001 | 30 Nov 2002 | | August 1949 | 2 Ayot House, Ayot St Lawrence, Hertfordshire, AL6 9BP |
| JACKSON, Brian Ernest RESIGNED | Director | | 28 Jun 2025 | England | May 1941 | 6 Ayot House, Ayot St Lawrence, Welwyn, Hertfordshire, AL6 9BP |
| LUCAS, Robert Richard RESIGNED | Director | 14 Jan 2007 | 12 Oct 2020 | England | August 1962 | 111, Strand, London, WC2R 0AG |
| MIEL, Murray Lucien RESIGNED | Director | 21 Jun 1992 | 21 Mar 1996 | | May 1962 | 2 Ayst House, Ayot St Lawrence, Welwyn, Hertfordshire, AL6 9BP |
| SHARP, Howard Graham RESIGNED | Director | 12 Sep 2010 | 17 Jul 2015 | United Kingdom | May 1957 | 2, Ayot House, Ayot St Lawrence, Welwyn, Hertfordshire, AL6 9BP, United Kingdom |
| WARWICK, Alban Maurice RESIGNED | Director | 08 Nov 2005 | 15 Sep 2010 | United Kingdom | November 1933 | 2 Ayot House, Ayot St Lawrence, Welwyn, Hertfordshire, AL6 9BP |
| WEBB, Olive Mary RESIGNED | Director | 16 Apr 1984 | 11 Oct 1996 | | September 1935 | 4 Ayot House, Ayot St Lawrence, Welwyn, Hertfordshire, AL6 9BP |