| 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 | 02 Jun 2008 | | England | July 1970 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| QUILEZ SOMOLINOS, Alfredo ACTIVE | Director | 13 Dec 2021 | | England | July 1967 | 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 |
| TUNNACLIFFE, Paul Derek RESIGNED | Secretary | 01 Oct 1996 | 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 |
| TYSON, Roger Thomas Virley RESIGNED | Secretary | | 30 Sep 1996 | | | 5 Matthews Chase, Binfield, Bracknell, Berkshire, RG42 4UR |
| ABLETT, Malcolm James RESIGNED | Director | | 18 Mar 1998 | England | September 1952 | Country Place Fir Tree Hill, Chandlers Cross, Sarratt, Hertfordshire, WD3 4LZ |
| ALEXANDER, Anthony George Laurence RESIGNED | Director | | 24 Sep 1993 | | April 1938 | Crafnant, Gregories Farm Lane, Beaconsfield, Buckinghamshire, HP9 1HJ |
| ASHFORD, Leslie Ernest Thomas RESIGNED | Director | | 05 Jan 1994 | England | October 1940 | 27 Beckenham Road, West Wickham, Kent, BR4 0QR |
| BOLTER, Andrew Christopher RESIGNED | Director | 28 May 2003 | 01 Dec 2005 | | December 1970 | 110 North View Road, Crouch End, London, N8 7LP |
| BONHAM, Derek Charles RESIGNED | Director | | 30 Sep 1996 | | July 1943 | 180 Brompton Road, London, SW3 1HF |
| BRANSON, Anthony RESIGNED | Director | | 14 May 2002 | United Kingdom | April 1949 | The Great Barn Old Delaware, Hever Road, Edenbridge, Kent, TN8 7LD |
| CHARLETON, Brian RESIGNED | Director | 25 Feb 2013 | 31 Dec 2015 | United Kingdom | July 1968 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| CHIESE, Ross Anthony Norman RESIGNED | Director | | 31 May 1994 | United Kingdom | July 1950 | 14 Bishops Avenue, Northwood, Middlesex, HA6 3DG |
| CLARKE, David Jonathan RESIGNED | Director | 01 Jun 2011 | 01 Dec 2016 | England | February 1974 | Hanson House, 14 Castle Hill, Maidenhead, Berkshire, SL6 4JJ, England |
| CLAYDON, James Alexander RESIGNED | Director | 25 Feb 2013 | 31 Dec 2015 | England | July 1960 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| COLLIGAN, Maxwell Hay Fordyce RESIGNED | Director | 25 Feb 2013 | 31 Dec 2015 | England | December 1968 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| COULSON, Ruth RESIGNED | Director | 01 Dec 2005 | 20 Jun 2008 | | June 1973 | Flat 4, 14 Steeles Road, London, NW3 4SE |
| DOUGAL, Andrew James Harrower RESIGNED | Director | 05 Jan 1994 | 22 Oct 1999 | | September 1951 | Lomond Lodge 1a Linkway, Camberley, Surrey, GU15 2NH |
| DRANSFIELD, Graham RESIGNED | Director | | 30 Jun 2008 | England | March 1951 | 18, Downs Hill, Beckenham, Kent, BR3 5HB |
| EGAN, David John RESIGNED | Director | 01 Jun 2007 | 16 Jun 2008 | United Kingdom | December 1967 | 70, Valley Road, Rickmansworth, Hertfordshire, WD3 4BJ |
| FULFORD, Ronald Stanley RESIGNED | Director | 05 Jan 1994 | 21 Feb 1996 | | March 1934 | 10 Fawns Leap, Cuddington, Northwich, Cheshire, CW8 2UF |
| 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 Sep 2012 | United Kingdom | October 1975 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| HANSON, Robert William, The Hon RESIGNED | Director | | 24 Sep 1993 | | October 1960 | 8 Cheyne Walk, London, SW3 5QZ |
| HARRISON, Stephen Richard RESIGNED | Director | 25 Feb 2013 | 13 Mar 2015 | United Kingdom | February 1968 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| HURRELL, Samantha Jane RESIGNED | Director | 30 Sep 1996 | 22 Oct 1999 | | August 1963 | Saffron Wharf, 20 Shad Thames, London, SE1 2YQ |
| LANDUYT, William Modest RESIGNED | Director | 24 Sep 1993 | 31 May 1995 | | October 1955 | 27 Abbey Gardens, St Johns Wood, London, NW8 9AS |
| LECLERCQ, Christian RESIGNED | Director | 02 Jun 2008 | 31 Mar 2010 | England | September 1965 | 2, Court Drive, Maidenhead, Berkshire, SL6 8LX, United Kingdom |
| LUDLAM, Kenneth John RESIGNED | Director | | 28 May 2003 | United Kingdom | September 1943 | Longwood House, 12a Mavelstone Close, Bromley, Kent, BR1 2PJ |
| MENZIES-GOW, Robert Ian RESIGNED | Director | 24 Sep 1993 | 31 Jul 1996 | United Kingdom | September 1942 | Ashwell Cottage Church Close, Ashwell, Oakham, Leicestershire, LE15 7LP |
| MURRAY, Martin Charles RESIGNED | Director | | 30 Sep 1996 | | April 1955 | 21 The Crescent, Barnes, London, SW13 0NN |
| NICHOLLS, Jonathan Clive RESIGNED | Director | 01 Aug 1996 | 14 May 2002 | United Kingdom | October 1957 | Longmeadow, Prinsted Lane, Emsworth, Hampshire, PO10 8HR |
| O'SHEA, Patrick Joseph RESIGNED | Director | 25 Feb 2013 | 31 Dec 2015 | England | September 1958 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| PATTISSON, John Harmer RESIGNED | Director | | 02 Apr 1996 | | April 1931 | 1c Elm Place, London, SW7 3QH |
| PIRINCCIOGLU, Seyda RESIGNED | Director | 19 Jul 2010 | 31 Aug 2013 | England | May 1971 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| READ, Justin Richard RESIGNED | Director | 22 Oct 1999 | 28 May 2003 | England | May 1961 | 46b Saint Georges Drive, London, SW1V 4BT |
| REDMOND, Phillip Keith RESIGNED | Director | 25 Feb 2013 | 31 Dec 2015 | Wales | December 1966 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| SNOWDON, David John RESIGNED | Director | 24 Sep 1993 | 29 Mar 1996 | United Kingdom | December 1944 | 24 South Approach, Northwood, Middlesex, HA6 2ET |
| SPENCER, Paul RESIGNED | Director | | 05 Jan 1996 | United Kingdom | January 1950 | 4 Victoria Square, London, SW1W 0QY |
| STEWART, Ian RESIGNED | Director | 10 Apr 1995 | 30 Sep 1998 | | February 1939 | Ross Cottage Common Lane, Hemmingford Abbots, Huntingdon, Cambridgeshire, PE18 9AN |
| SWIFT, Nicholas RESIGNED | Director | 28 May 2003 | 01 Jun 2007 | United Kingdom | June 1964 | 34 The Grove, Brookmans Park, Hertfordshire, AL9 7RN |
| THOMAS, Christopher John RESIGNED | Director | 30 Sep 1994 | 14 Apr 1997 | United Kingdom | April 1955 | Whateley House, 9 Wheatley Green Four Oaks, Sutton Coldfield, West Midlands, B74 2RL |
| TURNER, Peter John RESIGNED | Director | | 30 Sep 1996 | | October 1944 | 75 Carlton Hill, St Johns Wood, London, NW8 0EN |
| WENDT, Carsten Matthias, Dr RESIGNED | Director | 01 Dec 2016 | 13 Dec 2021 | Germany | June 1976 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |