| 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 | 10 Apr 2017 | | United Kingdom | September 1966 | 350, Longwater Avenue, Green Park, Reading, Berkshire, RG2 6GF, United Kingdom |
| BELCHER, John Victor RESIGNED | Secretary | 16 Jun 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 | | 16 Jun 2000 | | | Kerlands, Llanvair Drive, South Ascot, Berkshire, SL5 9LN |
| BARCLAY, Mark RESIGNED | Director | 01 Jun 2004 | 01 Apr 2010 | | June 1964 | 3 Pinehurst, London Road, Englefield Green, Egham, Surrey, TW20 0HQ |
| BORIES, Alain RESIGNED | Director | 01 Jul 2001 | 03 Feb 2004 | | November 1957 | 24 Rue Rouelle, 75015, Paris, FOREIGN, France |
| BROUGHTON, Marion Elizabeth RESIGNED | Director | 01 Apr 2010 | 01 Apr 2013 | United Kingdom | September 1962 | 2 Dashwood Lang Road, The Bourne Business Park, Addlestone Weybridge, Surrey, KT15 2NX |
| BROUGHTON, Marion Elizabeth RESIGNED | Director | 13 Sep 2004 | 07 Apr 2008 | United Kingdom | September 1962 | 17 Grange Road, Kingston, Surrey, KT1 2QU |
| BUSBY, Mark Gordon RESIGNED | Director | 12 Aug 2008 | 01 Apr 2010 | United Kingdom | January 1965 | Stratford House, Worcester Road, Upton Snodsbury, Worcester, Worcestershire, WR7 4NW |
| CHANDLER, Colin Michael, Sir RESIGNED | Director | 31 May 2000 | 16 Jun 2000 | United Kingdom | October 1939 | Wray Farm, 90 Raglan Road, Reigate, Surrey, RH2 0ET |
| CHAVEZ, Victor Manuel RESIGNED | Director | 12 Aug 2008 | 01 Apr 2010 | England | January 1963 | Chandael, Stockton Avenue, Fleet, Hampshire, GU51 4NH |
| CLARKE, Barton James RESIGNED | Director | | 31 May 2000 | United Kingdom | May 1935 | 8 Fairmile Court, Ashcroft Park, Cobham, Surrey, KT11 2DS |
| DEAKIN, Richard Simon RESIGNED | Director | 01 Jun 2004 | 12 Aug 2008 | | February 1964 | 20 Spindle Lane, Solihull, West Midlands, B90 1RP |
| GALLAGHER, Patrick Leo RESIGNED | Director | | 31 Mar 2001 | | April 1943 | Wallbridge Farm, Dowlish Wake, Ilminster, Somerset, TA19 0NZ |
| GENTGEN, Thierry Denis Etienne RESIGNED | Director | 01 Jul 2012 | 01 Jun 2013 | France | May 1966 | 2 Dashwood Lang Road, The Bourne Business Park, Addlestone Weybridge, Surrey, KT15 2NX |
| 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 |
| HITCHOCK, Peter William RESIGNED | Director | 01 Apr 2010 | 01 Jul 2016 | Uk | July 1966 | 2 Dashwood Lang Road, The Bourne Business Park, Addlestone Weybridge, Surrey, KT15 2NX |
| JAYNE, Paul Andrew RESIGNED | Director | 01 Jun 2013 | 10 Apr 2017 | United Kingdom | June 1964 | 350, Longwater Avenue, Green Park, Reading, Berkshire, RG2 6GF, United Kingdom |
| KAHN, Paul Emmanuel, Mr. RESIGNED | Director | 01 Apr 2002 | 13 Sep 2004 | England | January 1966 | The Limes, 72 Harvest Road Englefield Green, Egham, Surrey, TW20 0QR |
| KEENS, Ronald Frederick RESIGNED | Director | | 30 Apr 1995 | | August 1932 | 4 Highfield Close, Green Lane Shortheath, Farnham, Surrey, GU9 8QS |
| KOLL, Rainer Jila RESIGNED | Director | 13 Sep 2004 | 31 Dec 2006 | England | February 1950 | Birch House, 18 Edenhall Close Leverstock Green, Hemel Hempstead, Hertfordshire, HP2 4ND |
| LEEVES, Malcolm Roger RESIGNED | Director | 01 Jul 2001 | 12 Aug 2008 | England | February 1949 | 13 Madeira Avenue, Worthing, West Sussex, BN11 2AT |
| MARSH, Gary John RESIGNED | Director | 01 Apr 2010 | 01 Oct 2011 | England | July 1959 | 2 Dashwood Lang Road, The Bourne Business Park, Addlestone Weybridge, Surrey, KT15 2NX |
| MCCANN, Stephen Francis RESIGNED | Director | 01 Jul 2016 | 10 Apr 2017 | United Kingdom | January 1968 | 2, Dashwood Lang Road, The Bourne Business Park, Addlestone Nr Weybridge, Surrey, KT15 2NX, United Kingdom |
| 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 |
| MCKINLAY, Roger Andrew RESIGNED | Director | 03 Apr 1995 | 01 Jul 2001 | England | February 1960 | 54 Barn Meadow Lane, Great Bookham, Leatherhead, Surrey, KT23 3EY |
| MILLER, Michael Thomas John RESIGNED | Director | | 01 Jul 2001 | | August 1939 | Ightham Redehall Road, Smallfield, Horley, Surrey, RH6 9RH |
| MOON, Richard James RESIGNED | Director | 16 Jun 2000 | 21 Sep 2001 | England | November 1950 | Chestnut Barn Parsonage Lane, Chilcompton, Bath, Avon, BA3 4JZ |
| MOORE, Richard John RESIGNED | Director | 01 Jul 2001 | 30 Apr 2003 | England | May 1953 | Flint House, Ladycroft, Alresford, Hampshire, SO24 0QP |
| MORRIS, Mark Ronald Eden RESIGNED | Director | 01 Feb 2013 | 10 Apr 2017 | United Kingdom | November 1962 | 350, Longwater Avenue, Green Park, Reading, Berkshire, RG2 6GF, United Kingdom |
| MORTREUX, Jean Pierre RESIGNED | Director | 03 Feb 2004 | 18 Jul 2004 | | July 1955 | 1516 Pine Avenue West, Montreal, Qc H3g 1b4, FOREIGN, Canada |
| NAYBOUR, Philip Martin RESIGNED | Director | 13 Sep 2004 | 07 Apr 2008 | United Kingdom | November 1960 | Worcester House, Yarnells Hill, Oxford, Oxfordshire, OX2 9BG |
| OMALLEY, Sean Denis RESIGNED | Director | | 31 Mar 2002 | England | August 1949 | 50 Overdale Avenue, New Malden, Surrey, KT3 3UF |
| PALMER, Peter Eric RESIGNED | Director | | 31 Jul 2005 | | October 1950 | Tumblers Court, Woodhill Lane, Shamley Green, Guildford, Surrey, GU5 0SR |
| POMMELLET, Pierre-Eric RESIGNED | Director | 13 Sep 2004 | 01 Apr 2010 | | October 1964 | 40 Cours Du Marechal Foch, 33000 Bordeaux, FOREIGN, France |
| QUENTIN, Francois RESIGNED | Director | 01 Jul 2001 | 01 Jun 2004 | | January 1953 | 32 Rue De La Nare, Bougival 78380, Yvelines, France |
| SMITH, Vincent RESIGNED | Director | 01 Apr 2013 | 10 Apr 2017 | United Kingdom | February 1958 | 350, Longwater Avenue, Green Park, Reading, Berkshire, RG2 6GF, United Kingdom |