| ROGERS, Wendy Fiona ACTIVE | Secretary | 10 Mar 2016 | | | | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| BARLOW, Matthew David ACTIVE | Director | 01 Dec 2020 | | United Kingdom | May 1979 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| GRETTON, Edward Alexander ACTIVE | Director | 02 Jun 2008 | | England | July 1970 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| HOPKINS, David Boone ACTIVE | Director | 09 Mar 1992 | | United States | March 1961 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| HOPKINS, John Owen ACTIVE | Director | 27 Jul 2018 | | United States | June 1959 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| HOPKINS, SR., John Owen ACTIVE | Director | | | United States | May 1935 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| QUILEZ SOMOLINOS, Alfredo ACTIVE | Director | 31 Jan 2022 | | England | July 1967 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| WILLIS, Simon Lloyd ACTIVE | Director | 19 Feb 2020 | | England | October 1965 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| DRANSFIELD, Graham RESIGNED | Secretary | 10 Dec 2007 | 30 Jun 2008 | | | 18, Downs Hill, Beckenham, Kent, BR3 5HB |
| FARRINGTON, Richard John RESIGNED | Secretary | | 12 Jun 1995 | | | 44 Garth Drive, Hambleton, Selby, North Yorkshire, YO8 9QD |
| MOORE, Alexander Eric RESIGNED | Secretary | 12 Jun 1995 | 18 Apr 2007 | | | Crismill Barn Crismill Lane, Bearsted, Maidstone, Kent, ME14 4NT |
| TUNNACLIFFE, Paul Derek RESIGNED | Secretary | 18 Apr 2007 | 10 Dec 2007 | | | 6 Ashburnham Park, Esher, Surrey, KT10 9TW |
| TYSON, Roger Thomas Virley RESIGNED | Secretary | 31 Jul 2008 | 10 Mar 2016 | | | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| ABRAHAM, Mark RESIGNED | Director | 09 Dec 1993 | 05 Aug 2002 | | March 1962 | 10 Mair Court, Moorgate, Rotherham, South Yorkshire, S69 3BJ |
| ATKINSON, Mark Roger RESIGNED | Director | 25 Feb 2013 | 31 Jan 2017 | England | October 1978 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| BECK, John Edward RESIGNED | Director | 09 Dec 1993 | 30 Jun 2006 | United Kingdom | May 1942 | Doves House Doves Lane, Whiteparish, Salisbury, Wiltshire, SP5 2SJ |
| BUTCHER, Roy RESIGNED | Director | | 05 Nov 1993 | | July 1948 | 2 Breydon Court, Burton Upon Stather, Scunthorpe, North Lincolnshire, DN15 9DU |
| CASSIDY, Carl Laughlin RESIGNED | Director | | 19 Nov 1993 | | May 1945 | Birchwood House Caistor Road, Osgodby, Market Rasen, Lincolnshire, LN8 3SY |
| CLARKE, David Jonathan RESIGNED | Director | 12 Sep 2013 | 15 Dec 2016 | England | February 1974 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| CLAYDON, James Alexander RESIGNED | Director | 01 Sep 2012 | 31 Dec 2019 | United Kingdom | July 1960 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| CLUGSTON, John Westland Antony RESIGNED | Director | | 05 Nov 1993 | England | May 1938 | The Old Vicarage, Scawby, Brigg, North Lincolnshire, DN20 9LX |
| DANIEL, Karl Tyrone RESIGNED | Director | 18 Oct 2002 | 18 Apr 2007 | England | March 1965 | 123 Mill Rise, Skidby, Cottingham, North Humberside, HU16 5UA |
| DEAN, Michael RESIGNED | Director | 21 Apr 1999 | 01 Jan 2001 | United Kingdom | September 1949 | Stonecroft, Cross Lane, Alkborough, Scunthorpe, North Lincolnshire, DN15 9JL |
| EBERLIN, Michael Anthony RESIGNED | Director | 14 Feb 2008 | 13 Jun 2008 | United Kingdom | December 1962 | Jacobs Well, Suffolk Lane, Abberley, Worcester, Worcestershire, WR6 6BE, United Kingdom |
| FARRINGTON, Richard John RESIGNED | Director | 09 Dec 1993 | 12 Jun 1995 | | June 1958 | 44 Garth Drive, Hambleton, Selby, North Yorkshire, YO8 9QD |
| FEAVIOUR, Roger St Denis RESIGNED | Director | | 05 Nov 1993 | England | November 1946 | Hazeley House, High Street Chieveley, Newbury, Berkshire, RG20 8UX |
| GODBERT, John RESIGNED | Director | 31 Jan 2017 | 30 Nov 2020 | England | May 1962 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| HARRIS, Matthew James RESIGNED | Director | 30 Sep 2010 | 31 Oct 2012 | England | November 1970 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| HOPKINS II, Robert W RESIGNED | Director | | 13 Jun 2006 | | June 1940 | PO BOX 810006, Boca Raton, Florida 33481-0006, Usa |
| LECLERCQ, Christian RESIGNED | Director | 02 Jun 2008 | 31 Mar 2010 | England | September 1965 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| MARRISON, John RESIGNED | Director | 26 Apr 2001 | 23 Nov 2007 | | November 1948 | Rose Cottage Belton Road, Epworth, Doncaster, South Yorkshire, DN9 1JL |
| MCARDLE, Gary Charles RESIGNED | Director | 01 Mar 2006 | 16 Jun 2008 | | October 1960 | 11a Grasmere Avenue, Harpenden, Hertfordshire, AL5 5PT |
| MOORE, Alexander Eric RESIGNED | Director | 20 Oct 1995 | 21 Apr 1999 | England | November 1945 | Crismill Barn Crismill Lane, Bearsted, Maidstone, Kent, ME14 4NT |
| MORRISH, Jonathan Peter, Dr RESIGNED | Director | 13 Jun 2008 | 01 Sep 2012 | United Kingdom | September 1970 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| PATTISON, Graham Neil RESIGNED | Director | 18 Apr 2007 | 16 Jun 2008 | | June 1975 | 40 Oakdene Road, Sevenoaks, Kent, TN13 3HL |
| PETTIFOR, Stuart Ian RESIGNED | Director | | 05 Nov 1993 | | May 1945 | Suite Levenclose, 5a Levenside, Stokesley, Cleveland, TS9 6NW |
| PIRINCCIOGLU, Seyda RESIGNED | Director | 19 Jul 2010 | 31 Aug 2013 | England | May 1971 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| PREST, Richard Jullion RESIGNED | Director | | 05 Nov 1993 | | May 1946 | Gardens House, Thoresby Park, Newark, Nottinghamshire, NG22 9EH |
| RHINE, Scott Timothy RESIGNED | Director | 13 Jun 2006 | 06 Mar 2018 | | June 1953 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| SINDEL, Alan Robert Harold RESIGNED | Director | 05 Jun 2006 | 14 Feb 2008 | | February 1965 | 1 Goldney Avenue, Clifton, Bristol, Avon, BS8 4RA |
| UREN, John Michael Leal RESIGNED | Director | 05 Nov 1993 | 01 Mar 2006 | England | September 1923 | Priory Farm, Appledore Road, Tenterden, Kent, TN30 7DD |
| WENDT, Carsten Matthias, Dr RESIGNED | Director | 15 Dec 2016 | 31 Jan 2022 | Germany | June 1976 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| WHITEHEAD, Gary Nicholas RESIGNED | Director | 13 Jun 2008 | 30 Jun 2010 | United Kingdom | April 1970 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |