| BOLTON, Neil Michael Andrew ACTIVE | Director | 13 Oct 2020 | | England | April 1971 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| CLARKE, James Martin ACTIVE | Director | 27 Jul 2026 | | England | July 1983 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| DIAS, Rosa ACTIVE | Director | 13 Oct 2020 | | France | May 1969 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| DORIER, Victorien ACTIVE | Director | 01 Jul 2025 | | France | June 1987 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| HITCHMAN, Richard ACTIVE | Director | 16 Oct 2019 | | England | April 1984 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| JANETZKOWKSI, Valentin Chapero ACTIVE | Director | 01 Jul 2025 | | Spain | December 1984 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| MCCRETTON, Adrian Martin ACTIVE | Director | 06 Dec 2025 | | Scotland | March 1972 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| PARKES, Robin ACTIVE | Director | 18 Oct 2022 | | England | January 1980 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| PEREIRA, Isabel Sofia Martins De Oliverira Soares Vicente ACTIVE | Director | 18 Oct 2022 | | Portugal | April 1975 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| PERFECT, Holly Amberleigh ACTIVE | Director | 15 Oct 2025 | | England | April 1987 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| PHILLIPS, David Mark ACTIVE | Director | 18 Jun 2026 | | England | May 1966 | Reabrook Ltd, Rawdon Road, Moira, Swadlincote, DE12 6DA, England |
| WOOLNER, Elizabeth Mary ACTIVE | Director | 01 Jul 2024 | | England | February 1967 | 3, St. James Road, Kingston Upon Thames, KT1 2BA, England |
| HESKINS, Patrick Robert RESIGNED | Secretary | 14 Aug 2015 | 17 Jun 2026 | | | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| MORRIS, John Alan, Dr RESIGNED | Secretary | 29 Mar 2012 | 14 Aug 2015 | | | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| ROBERTS, David John RESIGNED | Secretary | | 27 Oct 1994 | | | 66 The Avenue, Surbiton, Surrey, KT5 8JL |
| ROGERS, Susan Elizabeth RESIGNED | Secretary | 27 Oct 1994 | 29 Mar 2012 | | | Kings Buildings, Smith Square, London, SW1P 3JJ |
| ALVAREZ, Sebastian RESIGNED | Director | 17 Dec 2009 | 08 Aug 2018 | United Kingdom | December 1970 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| ANDERSON, Paul Anthony RESIGNED | Director | 01 Nov 2018 | 19 Mar 2019 | England | October 1975 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| BAILEY, Peter RESIGNED | Director | 13 Feb 2003 | 23 Sep 2005 | England | March 1961 | 24 Willow Holt, Hampton Hargate, Peterborough, Cambridgeshire, PE7 8AP |
| BEARD, Christopher John RESIGNED | Director | | 02 May 1997 | | November 1938 | 18 Westwood Park Road, Peterborough, Cambridgeshire, PE3 6JL |
| BIGLEY, John Stewart RESIGNED | Director | 05 Jul 2001 | 09 Oct 2007 | | December 1963 | 14 Parc Bronhaul, Broadlands, Bridgend, Mid Glamorgan, CF31 5EP |
| BLACKETER, David Kenneth RESIGNED | Director | 06 Jun 1996 | 11 Jun 2002 | United Kingdom | September 1954 | 2 Lloyd Close, Heslington, York, North Yorkshire, YO10 5EU |
| BLOTTIERE, Jean Rene Andre Henri RESIGNED | Director | 12 Dec 2012 | 15 Oct 2015 | Belgium | May 1964 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| BLOTTIERE, Jean-Rene RESIGNED | Director | 08 Jun 2000 | 13 Jun 2007 | | May 1964 | Thyme Cottage, 4 The Butts, Potterne, Devizes, Wiltshire, SN10 5LR |
| BOWDEN, Shaun Michael Peter RESIGNED | Director | 14 Jun 2006 | 15 Jul 2008 | | August 1947 | 47 Sandfield Meadow, Lichfield, Staffordshire, WS13 6NH |
| BRACKING, Leslie Anthony Paul RESIGNED | Director | | 04 May 1995 | | January 1930 | Apartment 7 Ramridge House, Ramridge Park Weyhill, Andover, Hampshire, SP11 7BY |
| BRADLEY, Lee Robert RESIGNED | Director | 16 Oct 2014 | 07 Jun 2017 | England | August 1972 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| BRADLEY, Richard Edmund RESIGNED | Director | | 04 May 1995 | | July 1935 | Beaumont Burtons Way, Chalfont St Giles, Buckinghamshire, HP8 4BW |
| BREALEY, Anthony William RESIGNED | Director | 15 Oct 2015 | 13 Oct 2021 | United Kingdom | April 1957 | Reabrook Building, Rawdon Road, Moira, Swadlincote, Derbyshire, DE12 6DA, England |
| BRIDGE, Judith Claire RESIGNED | Director | | 21 Jun 1994 | | December 1961 | 81 Victor Road, Teddington, Middlesex, TW11 8SP |
| BROMBOSZCZ, Kevin Anthony RESIGNED | Director | | 30 Jun 1991 | | November 1954 | 3 Brambles Close, Four Marks, Alton, Hampshire, GU34 5DR |
| CLARK, Norman RESIGNED | Director | 15 Oct 2015 | 19 Mar 2019 | United Kingdom | February 1955 | Rb, Dansom Lane, Hull, HU8 7DS, England |
| CLARK, Norman RESIGNED | Director | 11 Jun 2008 | 11 Oct 2012 | United Kingdom | February 1955 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| CLARK, Norman RESIGNED | Director | 08 Jun 2000 | 18 Nov 2004 | | February 1955 | 127 Ainsty Road, Wetherby, West Yorkshire, LS22 7FY |
| CLARKE, James Martin RESIGNED | Director | 13 Oct 2021 | 17 Jun 2026 | England | July 1983 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| CONYBEARE, Timothy Martin RESIGNED | Director | 19 Oct 2017 | 25 Oct 2018 | England | June 1972 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| COONEY, Patrick Joseph RESIGNED | Director | | 06 Jun 1996 | | May 1943 | 13 Bayham Road, Tunbridge Wells, Kent, TN2 5HR |
| COUPLAND, Grant Adrian RESIGNED | Director | 27 Jun 2012 | 19 Oct 2017 | England | July 1961 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| COX, Natalie RESIGNED | Director | 11 Oct 2023 | 20 Jun 2025 | England | March 1974 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| CRAWFORD, Murdoch RESIGNED | Director | 01 Jul 2024 | 20 Jun 2025 | England | October 1958 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| CRAWFORD, Murdoch Alisdair RESIGNED | Director | 19 Oct 2016 | 18 Oct 2022 | England | October 1958 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| CROMPTON, John Walmsley RESIGNED | Director | 18 Dec 1996 | 08 Jun 2000 | | November 1951 | Kneisa, The Avenue, Ascot, Berkshire, SL5 7LY |
| DARRAGH, Alina RESIGNED | Director | 19 Oct 2017 | 15 Oct 2025 | England | February 1980 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| DAVIES, Ian Anthony RESIGNED | Director | 03 May 2019 | 16 Apr 2021 | England | February 1963 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| DAVIS, Philip RESIGNED | Director | | 17 Feb 1994 | | May 1949 | 30 Chestnut Hill, Leighton Buzzard, Bedfordshire, LU7 7TR |
| DICK, Michael Morrison RESIGNED | Director | 09 Oct 2007 | 09 Apr 2013 | Wales | June 1968 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| DUFF, Karen Elizabeth, Dr RESIGNED | Director | 10 Jun 2004 | 25 Feb 2008 | United Kingdom | April 1963 | Braehead, Mill Road, Bromborough, Wirral, CH62 2BE |
| DUFF, Karen Elizabeth, Dr RESIGNED | Director | 04 May 1995 | 17 Sep 1998 | United Kingdom | April 1963 | Braehead, Mill Road, Bromborough, Wirral, CH62 2BE |
| DYSON, Alastair Robin RESIGNED | Director | 19 Mar 2019 | 15 Oct 2025 | England | May 1986 | Rb, Dansom Lane, Hull, HU8 7DS, England |
| EARNSHAW, Richard Graham, Dr RESIGNED | Director | 23 Jul 2013 | 01 Jul 2016 | England | June 1963 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| EAST, Vincent Frederic John RESIGNED | Director | 27 Jun 2012 | 11 Oct 2012 | England | August 1950 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| ELY, David John RESIGNED | Director | 17 Feb 1994 | 20 Jan 1995 | | January 1959 | Kaldief, Stonedene Close, Headley Down, Hampshire, GU35 8HW |
| EVANS, David RESIGNED | Director | 13 Mar 2014 | 07 Jun 2017 | England | September 1963 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| EVANS, Merion RESIGNED | Director | 01 May 2021 | 01 Apr 2024 | England | December 1966 | Unilever Uk Ltd, Coal Road, Leeds, LS14 2AR, England |
| FELL, Robert Allen RESIGNED | Director | 23 Jul 2013 | 27 Apr 2016 | United Kingdom | August 1961 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| FONTEIJN, Tino Thiodorus Adrianus Antonius RESIGNED | Director | 11 Jun 2008 | 17 Dec 2009 | | August 1962 | 1, Falcon Hurst, Oxshott, Surry, UT22 0EW |
| GALLEY, Jason Charles RESIGNED | Director | 01 Nov 2018 | 01 May 2023 | England | October 1968 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| GIBBS, Andrew Robert RESIGNED | Director | 19 Oct 2016 | 26 Aug 2020 | England | December 1967 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| GOWLAND, Maxim Stefan, Dr RESIGNED | Director | | 19 May 1994 | | September 1954 | 13 Manor Garth, Keyingham, Hull, North Humberside, HU12 9SQ |
| GRAHAM, June RESIGNED | Director | 31 Jan 2012 | 27 Oct 2014 | United Kingdom | June 1959 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| GREEN, Edward Cecil RESIGNED | Director | | 07 May 1992 | | October 1949 | Amroth Mount Hermon Road, Woking, Surrey, GU22 7TS |
| HATHAWAY, James Vernon RESIGNED | Director | 07 Nov 2002 | 13 Jun 2007 | | July 1951 | 238 Station Road, Nether Whitacre, Coleshill, Birmingham, B46 2BY |
| HESKINS, Patrick Robert RESIGNED | Director | 11 Oct 2012 | 31 Jul 2015 | United Kingdom | May 1966 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| HEWITT, Richard John RESIGNED | Director | 16 Oct 2014 | 03 May 2019 | England | January 1962 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| HEYWOOD, Janie Charlotte RESIGNED | Director | 18 Nov 2004 | 11 Jun 2008 | | November 1963 | The Lodge, Kilnwick Road, Kilnwick Percy, North Yorkshire, YO42 1UH |
| HILEY-JONES, Mary RESIGNED | Director | 17 Jun 1992 | 21 Jun 1994 | | April 1962 | Meadow View, Frensham Road, Frensham, Surrey, GU10 3AE |
| HORSFALL, Alan Lawrence RESIGNED | Director | 19 May 1994 | 04 Jun 1998 | | February 1944 | 12 Hill Brow, Kirkella, Yorkshire, HU10 7PP |
| HYDE, Victor Hubert RESIGNED | Director | 04 May 1995 | 08 Jun 2000 | | November 1945 | Yew Tree Cottage, St Brides Major, Bridgend, Mid Glamorgan, CF32 0SD |
| JACKSON, Joanne Louise RESIGNED | Director | 11 Oct 2023 | 26 Aug 2026 | England | June 1972 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| JACKSON, Nigel Laurence RESIGNED | Director | 15 Oct 2015 | 16 Oct 2019 | United Kingdom | July 1950 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| JACKSON, Nigel Laurence RESIGNED | Director | 11 Oct 2012 | 13 Mar 2014 | United Kingdom | July 1950 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| JACKSON, Nigel Laurence RESIGNED | Director | 14 Dec 2005 | 20 Oct 2011 | United Kingdom | July 1950 | Kings Buildings, Smith Square, London, SW1P 3JJ |
| JACQUEMET, Thomas Dimitri RESIGNED | Director | 18 Nov 2010 | 13 Mar 2014 | United Kingdom | April 1976 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| JONES, David Leigh RESIGNED | Director | 19 Oct 2017 | 15 Feb 2018 | United Kingdom | March 1958 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| KAYE, Andrew RESIGNED | Director | 05 Jul 2001 | 13 Feb 2003 | England | April 1960 | 10, Guild Close, Cropston, Leicester, Leicestershire, LE7 7HT |
| KERSEY, Ian RESIGNED | Director | 11 Jun 2002 | 05 Nov 2004 | | February 1969 | 16a Princes Road, Teddington, Middlesex, TW11 0RW |
| LEGGE, Keith Howard RESIGNED | Director | 17 Dec 1997 | 18 Jun 2002 | | August 1946 | 108a Terrace Road, Walton On Thames, Surrey, KT12 2EA |
| LONG, Anita Susan RESIGNED | Director | 21 Jun 1994 | 05 Jul 2001 | | December 1946 | 43 Belvoir Road, Bottesford, Nottingham, Nottinghamshire, NG13 0BG |
| LYTH, Mark Anthony RESIGNED | Director | 17 Dec 2002 | 22 Nov 2004 | England | May 1962 | 2, Mercer Crescent, Haslingden, Rossendale, Lancashire, BB4 4JJ, United Kingdom |
| MACDONALD, Sarah Teresa RESIGNED | Director | 09 Feb 1995 | 10 Jun 1999 | | October 1964 | 48 Kings Road, Berkhamsted, Hertfordshire, HP4 3BH |
| MACKINNON, Ian Andrew RESIGNED | Director | 13 Jun 2007 | 15 Jul 2013 | England | August 1964 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| MAGILL, Alan Robert RESIGNED | Director | 20 Oct 2011 | 16 Oct 2014 | United Kingdom | May 1944 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| MARSH, Gillian Rachel, Dr RESIGNED | Director | 10 Dec 2013 | 13 Oct 2020 | United Kingdom | April 1963 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| MCCARTHY, Andrew Charles RESIGNED | Director | 23 Jun 2005 | 14 Sep 2006 | United Kingdom | April 1952 | 25 Cambridge Street, London, SW1V 4PR |
| MCCAW, Margaret RESIGNED | Director | 11 Jun 2008 | 31 Jan 2012 | United Kingdom | February 1952 | Kings Buildings, Smith Square, London, SW1P 3JJ |
| MCCRETTON, Adrian Martin RESIGNED | Director | 19 Oct 2016 | 11 Oct 2023 | England | March 1972 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| MILES, Stephen William RESIGNED | Director | 21 Jun 1994 | 23 Jan 1995 | | October 1960 | 138 Meadvale Road, Ealing, London, W5 1LS |
| MILLS, Anthony Kinnaird, Dr RESIGNED | Director | 09 Feb 1995 | 08 Jun 2000 | | January 1948 | 1 Crimple Court, Spofforth, Harrogate, North Yorkshire, HG3 1AF |
| MINSHULL, Kathleen RESIGNED | Director | 13 Oct 2021 | 01 Jun 2026 | England | September 1980 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| MINTO, Brian Hector Dick RESIGNED | Director | 07 Nov 2002 | 25 Feb 2008 | | January 1947 | Littlecroft 24 Station Road, Whalley, Clitheroe, East Lancashire, BB7 9RH |
| MITCHELL, Ryan RESIGNED | Director | 16 Oct 2019 | 13 Jul 2021 | England | October 1975 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| MORING, Paul John RESIGNED | Director | 14 Sep 2006 | 19 Nov 2009 | | February 1963 | 51 Butler Road, Harrow, Middlesex, HA1 4DS |
| MORRIS, John Alan, Dr RESIGNED | Director | 23 Jun 2005 | 31 Jan 2012 | United Kingdom | February 1949 | Kings Buildings, Smith Square, London, SW1P 3JJ |
| MORTIMER, Andrew John RESIGNED | Director | 13 Mar 2014 | 19 Oct 2017 | Wales | January 1959 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ, England |
| O'CONNELL, Ian RESIGNED | Director | 15 Dec 1993 | 30 Sep 1996 | | August 1937 | 44a Bramham Gardens, London, SW5 0HQ |
| POLLEN, David Andrew RESIGNED | Director | 12 Jun 2003 | 23 Jun 2005 | | March 1946 | 10 Chesters Road, Camberley, Surrey, GU15 1AD |
| RAGGETT, Robin Eric RESIGNED | Director | 09 Feb 1995 | 17 Dec 1997 | | July 1934 | 38 Lower Elmstone Drive, Tilehurst, Reading, Berkshire, RG3 5EB |
| RAGGETT, Robin Eric RESIGNED | Director | | 17 Jun 1992 | | July 1934 | 38 Lower Elmstone Drive, Tilehurst, Reading, Berkshire, RG3 5EB |
| RIMMER, Michael Andrew RESIGNED | Director | 13 Oct 2020 | 16 Jan 2024 | England | December 1968 | 1, Viewpoint, Office Village Babbage Road, Stevenage, Hertfordshire, SG1 2EQ |
| ROGERS, Susan Elizabeth RESIGNED | Director | | 20 Jun 1994 | | October 1952 | 13 The Haydens, Tonbridge, Kent, TN9 1NS |