| ROGERS, Wendy Fiona ACTIVE | Secretary | 10 Mar 2016 | | | | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| BENNING-PRINCE, Nicholas Arthur Dawe, Mr. ACTIVE | Director | 15 Oct 2013 | | England | October 1974 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| DOWLEY, Robert Charles ACTIVE | Director | 09 Dec 2013 | | England | September 1972 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| GRETTON, Edward Alexander ACTIVE | Director | 13 Jun 2008 | | England | July 1970 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| QUILEZ SOMOLINOS, Alfredo ACTIVE | Director | 06 Sep 2021 | | England | July 1967 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| CURRIE, Gilbert Allan Adam RESIGNED | Secretary | | 21 Sep 1993 | | | Oaken Cottage 19 North Road, Berkhamsted, Hertfordshire, HP4 3DX |
| MANDER, Iona Margaret RESIGNED | Secretary | 21 Sep 1993 | 13 Jun 2008 | | | 22 Quineys Leys, Welford Upon Avon, Stratford Upon Avon, Warwickshire, CV37 8PU |
| TYSON, Roger Thomas Virley RESIGNED | Secretary | 31 Jul 2008 | 10 Mar 2016 | | | Hanson House, 14 Castle Hill, Maidenhead, Berkshire, SL6 4JJ |
| CLARKE, David Jonathan RESIGNED | Director | 01 Jun 2011 | 01 Dec 2016 | England | February 1974 | Hanson House, 14 Castle Hill, Maidenhead, Berkshire, SL6 4JJ, England |
| EBERLIN, Michael Anthony RESIGNED | Director | 28 Feb 2007 | 13 Jun 2008 | United Kingdom | December 1962 | Jacobs Well, Suffolk Lane, Abberley, Worcester, Worcestershire, WR6 6BE, United Kingdom |
| FLAVELL, Ian Leonard RESIGNED | Director | 13 Dec 1995 | 13 Jun 2008 | England | July 1955 | 5 Richmond Gardens, Wombourne, Staffordshire, WV5 0LQ |
| GIMMLER, Richard Robert RESIGNED | Director | 13 Jun 2008 | 30 Dec 2009 | England | April 1967 | Glebe House, Church Walk, Ashton Keynes, Swindon, Wiltshire, SN6 6PB |
| GUYATT, Benjamin John RESIGNED | Director | 13 Jun 2008 | 01 Jun 2011 | United Kingdom | October 1975 | Hanson House, 14 Castle Hill, Maidenhead, Berkshire, SL6 4JJ |
| HEWITT, Leslie Victor RESIGNED | Director | | 02 Dec 1992 | | June 1929 | Camelot, First Drift Wothorpe, Stamford, Lincs, PE9 3SL |
| LECLERCQ, Christian RESIGNED | Director | 13 Jun 2008 | 31 Mar 2010 | England | September 1965 | 2, Court Drive, Maidenhead, Berkshire, SL6 8LX, United Kingdom |
| LODGE, Michael John RESIGNED | Director | 01 Dec 1992 | 12 Mar 2003 | | October 1941 | Farm Gate Cottage, Lower Quinton, Stratford Upon Avon, Warwickshire, CV37 8SH |
| MANDER, Iona Margaret RESIGNED | Director | 30 Sep 1995 | 13 Dec 1995 | | September 1960 | 7 Hamilton Road, Tiddington, Stratford Upon Avon, Warwickshire, CV37 7DD |
| PIRINCCIOGLU, Seyda RESIGNED | Director | 19 Jul 2010 | 31 Aug 2013 | England | May 1971 | Hanson House, 14 Castle Hill, Maidenhead, Berkshire, SL6 4JJ |
| WALLER, Colin Leslie RESIGNED | Director | | 30 Sep 1995 | | May 1937 | 4 Oaks Corner, Arlington Avenue, Leamington Spa, Warwickshire, CV32 5XJ |
| WELLER, Peter William, Mr. RESIGNED | Director | 12 Mar 2003 | 28 Feb 2007 | England | July 1948 | Clifton House, Home Farm Grove, Arthingworth, Market Harborough, Leics, LE16 8NJ |
| WENDT, Carsten Matthias, Dr RESIGNED | Director | 01 Dec 2016 | 06 Sep 2021 | Germany | June 1976 | Hanson House, 14 Castle Hill, Maidenhead, Berkshire, SL6 4JJ |