| BARLOW, Sonia Anna ACTIVE | Secretary | 03 Feb 2025 | | | | 350, Longwater Avenue, Green Park, Reading, Berks, RG2 6GF, United Kingdom |
| GENTGEN, Thierry Denis Etienne ACTIVE | Director | 14 Jul 2025 | | France | May 1966 | 350, Longwater Avenue, Green Park, Reading, Berkshire, RG2 6GF, United Kingdom |
| SEABROOK, Michael William Peter ACTIVE | Director | 16 Jun 2000 | | United Kingdom | September 1966 | 350, Longwater Avenue, Green Park, Reading, Berkshire, RG2 6GF, United Kingdom |
| BELCHER, John Victor RESIGNED | Secretary | 31 Jan 2000 | 30 Nov 2000 | | | 5 Woodpecker Close, Twyford, Reading, Berkshire, RG10 0BB |
| SEABROOK, Michael William Peter RESIGNED | Secretary | 30 Nov 2000 | 03 Feb 2025 | | | 350, Longwater Avenue, Green Park, Reading, Berkshire, RG2 6GF, United Kingdom |
| WHITTAKER, David RESIGNED | Secretary | | 31 Jan 2000 | | | Kerlands, Llanvair Drive, South Ascot, Berkshire, SL5 9LN |
| ASHMORE, Edward Beckwith, Sir RESIGNED | Director | | 05 Jul 1994 | | December 1919 | South Cottage, Headley Down, Bordon, Hampshire, GU5 8JU |
| BELCHER, John Victor RESIGNED | Director | 16 Jun 2000 | 30 Nov 2000 | | April 1943 | 5 Woodpecker Close, Twyford, Reading, Berkshire, RG10 0BB |
| ELSBURY, David Clark RESIGNED | Director | | 13 Oct 1999 | | January 1936 | 5 Agincourt, Cheapside Road, Ascot, Berkshire, SL5 7SJ |
| HAAGEN, Jean Yves Bernard Francois RESIGNED | Director | 30 Nov 2000 | 01 Sep 2004 | | November 1964 | Greenbanks, Pewley Point Pewley Hill, Guildford, Surrey, GU1 3SP |
| HAMMOND, Lawrence RESIGNED | Director | 31 Dec 2007 | 31 Dec 2013 | United Kingdom | November 1963 | 2 Dashwood Lang Road, The Bourne Business Park, Addlestone Weybridge, Surrey, KT15 2NX |
| HARRISON, Ernest Thomas, Sir RESIGNED | Director | | 31 Jan 2000 | | May 1926 | Mackenzies, Tilford, Farnham, Surrey, GU10 2ED |
| HINDLE, Christopher William RESIGNED | Director | 01 Aug 2023 | 14 Jul 2025 | United Kingdom | April 1968 | 350, Longwater Avenue, Green Park, Reading, Berkshire, RG2 6GF, United Kingdom |
| KAYE, James Maxwell RESIGNED | Director | | 31 Mar 1995 | | August 1937 | Hill Cottage 3 Cock-A-Dobby, Sandhurst, Camberley, Surrey, GU17 8LB |
| MCCRORIE, Ewen Angus RESIGNED | Director | 10 Apr 2017 | 01 Aug 2023 | Scotland | July 1958 | 350, Longwater Avenue, Green Park, Reading, Berkshire, RG2 6GF, United Kingdom |
| MOFFATT, William Paul RESIGNED | Director | 01 Sep 2004 | 31 Dec 2007 | England | January 1956 | Poplar Point, The Village, Finchampstead, Berkshire, RG40 4JN |
| ROWLEY, Peter John RESIGNED | Director | 01 Jan 2014 | 31 Aug 2015 | United Kingdom | December 1954 | 2 Dashwood Lang Road, The Bourne Business Park, Addlestone Weybridge, Surrey, KT15 2NX |
| SPALDING, William Liddell RESIGNED | Director | | 12 Jan 1997 | | December 1911 | 4 Highgate Close, London, N6 4SD |
| STRATTON, Suzanne Jayne RESIGNED | Director | 01 Sep 2015 | 10 Apr 2017 | United Kingdom | May 1972 | 2 Dashwood Lang Road, The Bourne Business Park, Addlestone Weybridge, Surrey, KT15 2NX |
| WHITTAKER, David RESIGNED | Director | 31 Jan 2000 | 16 Jun 2000 | | February 1944 | Kerlands, Llanvair Drive, South Ascot, Berkshire, SL5 9LN |
| WOOD, Andrew Richard RESIGNED | Director | 01 Apr 1995 | 16 Jun 2000 | England | June 1951 | Lane End, Bank, Lyndhurst, Hampshire, SO43 7FD |