| KEIR, Andrew John Lindsay ACTIVE | Director | 10 Jan 2026 | | United Kingdom | December 1960 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| LEWIS, Clare ACTIVE | Director | 01 May 2019 | | United Kingdom | November 1978 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| PERSSON, Eric Gunnar Daniel ACTIVE | Director | 03 Nov 2025 | | Sweden | April 1972 | 1, Cardellgatan, Box 10024, Stockholm, 100 55, Sweden |
| BANNARD, Lorna Grace RESIGNED | Secretary | | 28 Aug 2001 | | | Beauvale House Market Place, Bingham, Notts, NG13 8AP |
| CLEMENT, Craig Darren RESIGNED | Secretary | 19 Feb 2015 | 15 May 2019 | | | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| WHYTE, Andrew RESIGNED | Secretary | 07 Oct 2005 | 19 Jul 2013 | | | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| WILSON, Trevor William RESIGNED | Secretary | 28 Aug 2001 | 07 Oct 2005 | | | 6 Yellow Leas Farm, East Boldon, Tyne & Wear, NE36 0SL |
| ABE, Yoichi RESIGNED | Director | 15 Sep 2016 | 15 Sep 2020 | Japan | September 1957 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| ANDERSSON, Per Björn RESIGNED | Director | 03 Nov 2025 | 09 Jan 2026 | Sweden | July 1983 | 1, Cardellgatan, Box 10024, Stockholm, 100 55, Sweden |
| ASAI, Hisashi RESIGNED | Director | 23 Oct 2015 | 15 Sep 2016 | Japan | April 1965 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| BAILEY, Trevor Howard RESIGNED | Director | 02 Nov 2006 | 30 Jan 2009 | | May 1954 | Ampleforth House, Gilling Close Gilling Road, Richmond, North Yorkshire, DL10 5AY |
| BANNARD, John Edwin, Dr RESIGNED | Director | | 28 Aug 2001 | England | February 1941 | Beauvale House Market Place, Bingham, Notts, NG13 8AP |
| BANNARD, Lorna Grace RESIGNED | Director | | 28 Aug 2001 | | May 1944 | Beauvale House Market Place, Bingham, Notts, NG13 8AP |
| CLEAVER, Simon Christopher RESIGNED | Director | 13 Oct 2009 | 13 Oct 2009 | United Kingdom | April 1967 | 42, Dunraven Road, West Kirby, Wirral, Merseyside, CH48 4DU, England |
| CLEAVER, Simon Christopher RESIGNED | Director | 13 Oct 2009 | 22 Feb 2012 | United Kingdom | April 1964 | 42, Dunraven Road, West Kirby, Wirral, Merseyside, CH48 4DU, United Kingdom |
| CLEMENT, Craig Darren RESIGNED | Director | 15 Oct 2015 | 15 May 2019 | England | March 1974 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| DORAN, David RESIGNED | Director | | 01 Jan 1994 | | June 1945 | St Aubyns, Shangamagh Road, Bally Brace, Dublin, IRISH, Ireland |
| DUSTAIN, Paul Malcom RESIGNED | Director | 10 Apr 2020 | 03 Nov 2025 | United Kingdom | December 1964 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| FORD, Richard Guy RESIGNED | Director | 12 Sep 2000 | 30 Sep 2005 | | November 1946 | Water Stratford House, Water Stratford, Buckingham, MK18 5DS |
| GARNER, Jeffrey Scott RESIGNED | Director | 15 Jun 2011 | 10 Jan 2017 | United States | August 1956 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| GRANT, Alexander RESIGNED | Director | 15 Sep 2020 | 03 Nov 2025 | England | November 1969 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| GUTTERIDGE, Gordon RESIGNED | Director | 05 Nov 1992 | 26 May 2002 | | June 1921 | 24 Woodlane Close, Bramdean, Alresford, Hampshire, SO24 0JR |
| ILLSLEY, Anthony Kim RESIGNED | Director | 10 Nov 2009 | 22 Mar 2013 | United Kingdom | July 1956 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| KELLY, Steven RESIGNED | Director | 27 Mar 2001 | 31 May 2008 | United Kingdom | November 1963 | 17 Chambres Road, Southport, Merseyside, PR8 6JG |
| KONDO, Tetsushi RESIGNED | Director | 10 Jan 2017 | 16 Oct 2017 | Japan | January 1973 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| KOTAKI, Ryutaro RESIGNED | Director | 28 Mar 2018 | 15 Sep 2020 | Japan | July 1964 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| MAGUIRE, Dennis, Dr RESIGNED | Director | | 27 Nov 1997 | | October 1946 | 110 Dunvegan Drive, Nottingham, Nottinghamshire, NG5 5DZ |
| MATSUYAMA, Kazuo RESIGNED | Director | 10 Jan 2017 | 25 Jun 2018 | Japan | August 1960 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| MILLS, Robert John, Dr RESIGNED | Director | 01 Jun 2008 | 31 Mar 2013 | United Kingdom | February 1969 | 57, Shelford Road, Trumpington, Cambridge, CB2 9LZ, United Kingdom |
| MIYAGI, Nobuo RESIGNED | Director | 23 Oct 2015 | 15 Sep 2016 | Japan | June 1958 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| NAPLES, Mark Grant Ronald RESIGNED | Director | 01 Jun 2017 | 22 Jul 2019 | Scotland | July 1980 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| NETTERSHEIM, Michael Jean RESIGNED | Director | 13 Dec 2011 | 23 Oct 2015 | Germany | June 1966 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| NIMMO, James Alexander RESIGNED | Director | 02 Aug 2012 | 10 Jan 2017 | United Kingdom | April 1956 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| OWENS, Nigel Johnson RESIGNED | Director | 22 Feb 2012 | 18 Nov 2014 | England | April 1966 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| PAYNE, Gordon RESIGNED | Director | 31 Mar 1999 | 14 Jul 2009 | | October 1937 | La Guillotiere Cersay, 79290 Argenton Leglise, Deux Sevres, France, FOREIGN |
| RUSHMERE, Colin Bryan RESIGNED | Director | 18 Nov 2014 | 10 Jan 2017 | Isle Of Man | October 1962 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| SHINADA, Hidetoshi RESIGNED | Director | 26 Sep 2018 | 15 Sep 2020 | Japan | February 1959 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| SUZUKI, Atsushi RESIGNED | Director | 16 Oct 2017 | 26 Sep 2018 | United States | June 1953 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| TANABE, Yasuhiro RESIGNED | Director | 10 Jan 2017 | 16 Oct 2017 | Japan | June 1962 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| WARD, David Russell RESIGNED | Director | 25 Aug 2005 | 08 Jun 2011 | United States | June 1967 | 63 Stock Farm Road, Sudbury, Massachusetts 01776, Usa |
| WHITESMITH, Howard William RESIGNED | Director | 25 Aug 2000 | 14 Oct 2003 | | April 1949 | 111 Station Road, Willingham, Cambridge, CB4 5HG |
| WILSON, Trevor William RESIGNED | Director | 31 Mar 1999 | 05 Sep 2008 | United Kingdom | September 1945 | 6 Yellow Leas Farm, East Boldon, Tyne & Wear, NE36 0SL |
| WRAGG, Andrew Anthony Neil RESIGNED | Director | 10 Jan 2017 | 01 May 2019 | England | May 1968 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| WUENSCH, Josef Richard, Dr RESIGNED | Director | 29 Jul 2010 | 13 Dec 2011 | Germany | June 1965 | Basf Vc Gmbh, 4 Gartenweg, Z25, 67063,, Ludwigshafen, Germany |
| WYATT, Ernest William RESIGNED | Director | 05 Nov 1992 | 03 Oct 1996 | | August 1926 | 29 Mount Pleasant, Keyworth, Nottingham, NG12 5EP |
| WYRES, Christopher Anthony, Dr RESIGNED | Director | 27 Feb 2013 | 12 Jul 2017 | England | February 1974 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| YAMADA, Noriyasu RESIGNED | Director | 15 Sep 2016 | 28 Mar 2018 | Japan | August 1968 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |
| YOSHIDOMI, Hideki RESIGNED | Director | 25 Jun 2018 | 15 Sep 2020 | Japan | December 1965 | Unit 3 Wheldon Road, Widnes, Cheshire, WA8 8FW |