| LARKIN, Christopher Michael ACTIVE | Secretary | 26 Apr 2023 | | | | Cayzer House, 30 Buckingham Gate, London, SW1E 6NN, England |
| BARRY, Sonia Claire ACTIVE | Director | 04 Dec 2012 | | England | May 1974 | Cayzer House, 30 Buckingham Gate, London, SW1E 6NN, England |
| DENISON, Graeme Philip ACTIVE | Director | 01 Apr 2020 | | England | July 1960 | Cayzer House, 30 Buckingham Gate, London, SW1E 6NN, England |
| GIBBS, Dominic Vaughan ACTIVE | Director | 01 Apr 2003 | | England | August 1966 | Cayzer House, 30 Buckingham Gate, London, SW1E 6NN, England |
| LAWES, William Patrick Lagan ACTIVE | Director | 18 Jan 2023 | | England | January 1964 | Cayzer House, 30 Buckingham Gate, London, SW1E 6NN, England |
| BARRY, Sonia Claire RESIGNED | Secretary | 31 Jul 2012 | 26 Apr 2023 | | | Cayzer House, 30 Buckingham Gate, London, SW1E 6NN, England |
| D'MARCO, Helen RESIGNED | Secretary | 20 May 2008 | 31 Jul 2012 | | | 36, Pine Dean, Gt Bookham, Surrey, KT23 4BT |
| DADSON, Christopher Anthony Verey RESIGNED | Secretary | 05 Aug 1996 | 21 Oct 2005 | | | 3 Broughton Road, Orpington, Kent, BR6 8EG |
| SEFTON, James Hunter RESIGNED | Secretary | 21 Oct 2005 | 20 May 2008 | | | 8 College Place, St Albans, Hertfordshire, AL3 4PU |
| TOTTMAN, Jeffrey Walter RESIGNED | Secretary | | 05 Aug 1996 | | | 66 Beechwood Park, South Woodford, London, E18 2EQ |
| CARTWRIGHT, Jonathan Harry RESIGNED | Director | | 09 Oct 2001 | United Kingdom | August 1953 | Rectory Meadow, Hawthorn Place, Penn, Buckinghamshire, HP10 8EH |
| COOK, Jeanne RESIGNED | Director | 21 Oct 2005 | 27 Apr 2011 | England | February 1949 | Moor House, 22a Maulden Road, Flitwick, Bedfordshire, MK45 5BL |
| DAVIS, James Patrick Lamert RESIGNED | Director | 29 Oct 2012 | 01 Feb 2022 | United Kingdom | September 1946 | Cayzer House, 30 Buckingham Gate, London, SW1E 6NN, England |
| DENISON, Graeme Philip RESIGNED | Director | | 08 Jul 2002 | | July 1960 | 16 Highfield Road, Hertford, Hertfordshire, SG13 8BH |
| LEESON, Ian Arthur RESIGNED | Director | 08 Jul 2002 | 04 Dec 2012 | United Kingdom | March 1937 | Eaton House 7 Eaton Park, Cobham, Surrey, KT11 2JF |
| MEHRTENS, John Ivor RESIGNED | Director | | 21 Oct 2005 | | February 1941 | 51 Oxenden Wood Road, Chelsfield Park, Orpington, Kent, BR6 6HP |