| HALL, Joanna Gayle Ruth ACTIVE | Director | 03 Nov 2010 | | United Kingdom | April 1964 | Ditton Park, Riding Court Road, Datchet, Slough, SL3 9LL, England |
| MCKAY, Stuart ACTIVE | Director | 03 Nov 2010 | | United Kingdom | May 1965 | Ditton Park, Riding Court Road, Datchet, Slough, SL3 9LL, England |
| BERTRAM, Tim Charles Andrew RESIGNED | Secretary | 26 Feb 2007 | 12 May 2010 | | | Turnpike House, Tollgate, Maidenhead, Berkshire, SL6 4LJ, United Kingdom |
| CHATFIELD, Andrew RESIGNED | Secretary | 12 May 2010 | 24 Feb 2023 | | | Ditton Park, Riding Court Road, Datchet, Slough, SL3 9LL, England |
| DALEY, Brian Trevor RESIGNED | Secretary | | 26 Feb 2007 | | | Ranmore Cottage, Shere Road, West Horsley, Surrey, KT24 6EQ |
| BARDET, Thierry RESIGNED | Director | | 14 Mar 1997 | | July 1957 | 19 Allee De Vallombre, 69300 Caluire, FOREIGN, France |
| BERTRAM, Tim Charles Andrew RESIGNED | Director | 01 Feb 2007 | 12 May 2010 | England | September 1964 | Turnpike House, Tollgate, Maidenhead, Berkshire, SL6 4LJ, United Kingdom |
| BIRD, James Sebastian RESIGNED | Director | 19 Mar 2021 | 19 Apr 2024 | England | October 1985 | Ditton Park, Riding Court Road, Datchet, Slough, SL3 9LL, England |
| CHATFIELD, Andrew RESIGNED | Director | 26 Apr 2010 | 24 Feb 2023 | England | September 1971 | Ditton Park, Riding Court Road, Datchet, Slough, SL3 9LL, England |
| DALEY, Brian Trevor RESIGNED | Director | | 26 Feb 2007 | | August 1954 | Ranmore Cottage, Shere Road, West Horsley, Surrey, KT24 6EQ |
| ELLIOTT, David Wynne RESIGNED | Director | | 14 Mar 1995 | | February 1939 | 62 West Street, Harrow On The Hill, Harrow, Middlesex, HA1 3EN |
| FOX, Frank Robert, Mr. RESIGNED | Director | 05 Jun 2000 | 30 Apr 2006 | England | December 1946 | 3 Bayeux, Tadworth Park, Tadworth, Surrey, KT20 5TL |
| GRANTHAM, Anthony Simon RESIGNED | Director | 02 Sep 2002 | 28 Feb 2006 | | January 1961 | Westbrook House, Henton, Chinnor, Oxfordshire, OX39 4AE |
| GRANTHAM, Anthony Simon RESIGNED | Director | 01 Jul 1998 | 30 Sep 2001 | | January 1961 | Chittern Cottage, Pleck Lane, Kingston Blount, Oxfordshire, OX9 4RU |
| HUGHAN, Marc Alexander RESIGNED | Director | 13 Nov 2006 | 30 Sep 2016 | England | August 1952 | 6 Croft Road, Chalfont St. Peter, Gerrards Cross, Buckinghamshire, SL9 9AE |
| INFELD, Gregers RESIGNED | Director | 14 Mar 1997 | 01 Jul 1998 | | October 1950 | Copper Beech, Curzon Avenue, Beaconsfield, Buckinghamshire, HP9 2NN |
| JELL, Stuart Christopher RESIGNED | Director | 15 Sep 2023 | 26 Apr 2024 | United Kingdom | August 1984 | Ditton Park, Riding Court Road, Datchet, Slough, SL3 9LL, England |
| LOVEJOY, Terry RESIGNED | Director | 04 Mar 2002 | 30 Jun 2006 | England | May 1957 | 23 Draycott, Hollinswood, Telford, Shropshire, TF3 2DN |
| MACKEY, Ian RESIGNED | Director | 01 Oct 2001 | 30 Sep 2006 | England | March 1959 | 121 Sheerstock, Haddenham, Aylesbury, Buckinghamshire, HP17 8EY |
| OATLEY, Susan RESIGNED | Director | 13 Nov 2006 | 19 Mar 2021 | United Kingdom | November 1957 | 261 Maidenhead Road, Windsor, Berkshire, SL4 5HF |
| OLIVER, Simon David RESIGNED | Director | 01 Apr 2014 | 12 Jan 2018 | England | September 1976 | Riverside House, Riverside Walk, Windsor, Berkshire, SL4 1NA |
| PRIOR, Gary John RESIGNED | Director | 30 Jan 2006 | 20 Oct 2009 | England | July 1961 | The Laurels, Longhurst Road, East Horsley, Surrey, KT24 6AF |
| PROSVIC, Jan RESIGNED | Director | 14 Mar 1997 | 04 Mar 2002 | | July 1944 | 59 Langley Road, Watford, Hertfordshire, WD1 3PB |
| RAWAL, Haroika RESIGNED | Director | 13 Nov 2006 | 30 Jun 2008 | | October 1961 | 296 Staines Road, Twickenham, Middlesex, TW2 5AS |
| ROBSON, Neville RESIGNED | Director | 08 Dec 2008 | 19 Dec 2013 | United Kingdom | December 1949 | 25, Cantley Crescent, Wokingham, Berkshire, RG41 1NU, United Kingdom |
| ROSS, Caroline Jane RESIGNED | Director | 11 Apr 2018 | 11 Jul 2024 | England | May 1981 | Ditton Park, Riding Court Road, Datchet, Slough, SL3 9LL, England |
| SHEPHERD, Alan David RESIGNED | Director | 14 Mar 1997 | 31 Jul 2009 | | June 1949 | 5 Wellhouse Way, Naphill, Buckinghamshire, HP14 4QP |
| THOMPSON, Francis John Perronet RESIGNED | Director | 14 Mar 1997 | 31 Dec 1999 | | May 1945 | Gerston Back Lane, Chalfont St Giles, Buckinghamshire, HP8 4PB |
| WATKINSON, Ian Michael RESIGNED | Director | 12 Sep 2019 | 03 Apr 2024 | England | February 1966 | Ditton Park, Riding Court Road, Datchet, Slough, SL3 9LL, England |
| YATES, William Neil RESIGNED | Director | 30 Sep 2016 | 12 Sep 2019 | England | June 1974 | Riverside House, Riverside Walk, Windsor, Berkshire, SL4 1NA |