| FINCHAM, Matthew ACTIVE | Director | 08 Apr 2025 | | United Kingdom | November 1989 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| FOSTER, Nicholas David ACTIVE | Director | 29 Jul 2025 | | United Kingdom | September 1984 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| FRIEDMAN, Timothy William ACTIVE | Director | 05 Apr 2022 | | United Kingdom | May 1970 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| GRANT, Adam Benjamin ACTIVE | Director | 06 Apr 2021 | | England | July 1972 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| KINDRED, Richard John William ACTIVE | Director | 08 Apr 2025 | | Northern Ireland | April 1982 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| WOOD, Kajal ACTIVE | Director | 05 May 2021 | | United Kingdom | July 1981 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| BULLIMORE, Simon RESIGNED | Secretary | 16 Oct 1991 | 04 Nov 1992 | | | 46 Bathurst Mews, London, W2 2SB |
| GUTHRIE-BROWN, Stuart RESIGNED | Secretary | | 03 Mar 2006 | | | Wealdcote Wigley Bush Lane, South Weald, Brentwood, Essex, CM14 5QN |
| JORDAN, Margaret Alison RESIGNED | Secretary | 03 Mar 2006 | 06 Jul 2012 | | | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| KIMBERLEY, Helen Michelle RESIGNED | Secretary | 10 Dec 2019 | 13 Jan 2026 | | | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| WILLIAMS, Carol RESIGNED | Secretary | 06 Jul 2012 | 29 Dec 2017 | | | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| BLAZA, Sandra Elizabeth, Dr RESIGNED | Director | 29 Jan 1999 | 09 Feb 2001 | United Kingdom | February 1954 | The Old Vicarage, Church Road Burley, Oakham, Leicestershire, LE15 7SU |
| BROCKMAN, Keith RESIGNED | Director | 15 Dec 2014 | 25 May 2016 | United Kingdom | May 1956 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| BULLIMORE, Simon RESIGNED | Director | | 12 Mar 1998 | | March 1942 | 46 Bathurst Mews, London, W2 2SB |
| COJOCARU, Adrian RESIGNED | Director | 06 Jul 2007 | 05 Jun 2008 | | February 1964 | 16 Cundell Way, Kings Worthy, Winchester, Hampshire, SO23 7NP |
| CREASER, Dale Abel, Dr RESIGNED | Director | 25 Feb 2011 | 10 Dec 2015 | United Kingdom | March 1968 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| DALE, John Barry RESIGNED | Director | | 29 Jan 1999 | | July 1939 | 50 Stamford Road, Oakham, Leicestershire, LE15 6JA |
| DAVIES, Michael Roy RESIGNED | Director | 08 Feb 2000 | 16 Mar 2004 | United Kingdom | August 1953 | Huntsman's Cottage, Church Road, Cookham, Berkshire, SL6 9PG |
| DAVIES, Michael Roy RESIGNED | Director | | 06 Mar 1996 | United Kingdom | August 1953 | Huntsman's Cottage, Church Road, Cookham, Berkshire, SL6 9PG |
| DAWSON, Fiona Eleanor RESIGNED | Director | 25 Nov 2005 | 01 Apr 2015 | United Kingdom | May 1966 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| DAWSON, Fiona Eleanor RESIGNED | Director | 16 Mar 2004 | 13 Oct 2004 | United Kingdom | May 1966 | Brewood, Jobs Lane,, Cookham Dean, Berkshire, SL6 9TX |
| ENEVOLDSEN, Gillian Mary RESIGNED | Director | 23 Oct 2006 | 28 Jan 2020 | Belgium | December 1962 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| EVISON, Emma Louise RESIGNED | Director | 03 May 2011 | 31 Mar 2016 | United Kingdom | November 1968 | 3d, Dundee Road, Slough, Berkshire, SL1 4LG, United Kingdom |
| FLEMING, Ian Michael RESIGNED | Director | 05 Jun 2008 | 30 Jan 2009 | | November 1962 | 14, Shooters Hill, Pangbourne, Berkshire, RG8 7DU, United Kingdom |
| GALLACHER, Michael James RESIGNED | Director | 26 Mar 2012 | 22 May 2014 | England | February 1966 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| GALLACHER, Michael James RESIGNED | Director | 08 Jan 2004 | 19 Sep 2005 | | February 1966 | Orchard House, The Street, Mortimer, Berkshire, RG7 3RD |
| GUHA, Damian Sankar RESIGNED | Director | 10 Oct 2014 | 14 Jul 2017 | United Kingdom | May 1972 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| GUTHRIE-BROWN, Stuart RESIGNED | Director | | 15 Dec 2014 | United Kingdom | April 1948 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| HAINES, David James RESIGNED | Director | 09 Aug 2016 | 14 Aug 2019 | England | May 1969 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| HENDERSON, William George RESIGNED | Director | 06 Mar 1996 | 05 Nov 1999 | United Kingdom | September 1945 | 24 Abbey Road, Bourne End, Buckinghamshire, SL8 5NZ |
| HUGHES, Robert RESIGNED | Director | 06 Jul 2007 | 27 Apr 2011 | United Kingdom | September 1956 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| JOHNSON, Mark RESIGNED | Director | 03 Mar 2006 | 26 Mar 2012 | United Kingdom | July 1965 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| JORDAN, Margaret Alison RESIGNED | Director | 03 Mar 2006 | 06 Jul 2012 | England | February 1952 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| KIMBERLEY, Helen Michelle RESIGNED | Director | 10 Dec 2019 | 08 Apr 2025 | United Kingdom | January 1981 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| LANGER, Ian James RESIGNED | Director | 15 Dec 2014 | 02 Jul 2021 | United Kingdom | November 1965 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| MANZINI, David Arnaud RESIGNED | Director | 07 Sep 2017 | 16 Nov 2020 | United Kingdom | June 1972 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| MAQUIVAR GALLARDO, Blas RESIGNED | Director | 01 Apr 2015 | 14 Jul 2017 | United Kingdom | December 1967 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| PARKIN, Barry David RESIGNED | Director | 06 Jul 2007 | 29 Oct 2009 | | April 1964 | 16 Hamilton Drive, Ascot, Berks, SL5 9PP |
| PARKIN, Barry David RESIGNED | Director | 19 Sep 2005 | 09 Oct 2006 | | April 1964 | 16 Hamilton Drive, Ascot, Berks, SL5 9PP |
| PARTON, Andrew Richard RESIGNED | Director | 09 Aug 2016 | 12 Mar 2024 | United Kingdom | January 1968 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| PARTON, Andrew Richard RESIGNED | Director | 29 Oct 2009 | 21 Feb 2011 | United Kingdom | January 1968 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| PULLAN, Michael Grange RESIGNED | Director | | 30 Sep 1991 | | October 1939 | Choseley House The Street, North Warnborough, Basingstoke, Hampshire, RG25 1BD |
| RIGAMONTI, Paolo RESIGNED | Director | 20 Jun 2022 | 15 Aug 2025 | United Kingdom | December 1976 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| RONALD, William David Gordon RESIGNED | Director | 16 Mar 1998 | 31 Dec 2001 | | September 1955 | Wildacres The Causeway, Hibbert Road, Bray, Berkshire, SL6 1UT |
| SARGEANT, Craig Andrew RESIGNED | Director | 20 Apr 2016 | 20 Feb 2021 | United Kingdom | October 1968 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| SELBY, Helen Kathryn RESIGNED | Director | 10 Dec 2019 | 20 Mar 2020 | United Kingdom | March 1969 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| TEASDALE, David Harry RESIGNED | Director | 18 Oct 2004 | 25 Nov 2005 | England | July 1961 | 11 Eghams Wood Road, Beaconsfield, Buckinghamshire, HP9 1JP |
| TOPALIAN, Armen RESIGNED | Director | 04 May 2021 | 20 Jan 2023 | United Kingdom | May 1977 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| VAN ETTINGER, Adrianus Wilhelmus, Dr RESIGNED | Director | 16 Mar 2004 | 31 Dec 2007 | | February 1955 | Lavendellaar 1, Veghel, 5467 Bg, The Netherlands |
| VANDECAVEYE, Nico RESIGNED | Director | 08 Jan 2004 | 15 Mar 2007 | | March 1963 | 1 Old Oak Close, Cobham, Surrey, KT11 2TF |
| WARREN-PIPER, Helen Elizabeth RESIGNED | Director | 10 Nov 2020 | 29 Jun 2022 | United Kingdom | May 1970 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| WATKINS, Deri Llewellyn RESIGNED | Director | 07 Sep 2017 | 10 Nov 2020 | England | July 1973 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| WILKS, Martyn Kevin RESIGNED | Director | 09 Feb 2001 | 23 Dec 2003 | | February 1958 | Cobbett House, 20 High Pine Close, Weybridge, Surrey, KT13 9EA |
| WILLIAMS, Carol RESIGNED | Director | 06 Jul 2012 | 29 Dec 2017 | United Kingdom | December 1957 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |