| MURREY, Ben Derek ACTIVE | Secretary | 01 Apr 2019 | | | | Yokogawa Uk Limited, Stuart Road, Runcorn, Cheshire, WA7 1TR, United Kingdom |
| BLENKINSOP, Conrad ACTIVE | Director | 27 Apr 2026 | | United Kingdom | July 1975 | Stuart Road, Manor Park, Runcorn, Cheshire , WA7 1TR |
| HAGIHARA, Seita ACTIVE | Director | 01 Jan 2024 | | Netherlands | July 1974 | Stuart Road, Manor Park, Runcorn, Cheshire , WA7 1TR |
| HUANG, Han ACTIVE | Director | 29 Aug 2025 | | Netherlands | October 1975 | Euroweg 2, Amersfoort, Utrecht, 3825 HD, Netherlands |
| GRIFFITHS, Richard RESIGNED | Secretary | 15 Sep 1993 | 01 Feb 1994 | | | 85 Forbes Road, Stockport, Cheshire, SK1 4HQ |
| HOLLAND, Andrew RESIGNED | Secretary | 31 Aug 2005 | 17 Sep 2010 | | | 15, Sheridan Way, Sandymoor, Runcorn, Cheshire, WA7 1XL, United Kingdom |
| HOSKINS, Stephen David RESIGNED | Secretary | 12 Jun 1995 | 31 Aug 2004 | | | 113 Sandown Crescent, Cuddington, Northwich, Cheshire, CW8 2QN |
| JONES, Robert RESIGNED | Secretary | 08 Dec 2010 | 15 Jul 2011 | | | Stuart Road, Manor Park, Runcorn, Cheshire, WA7 1TR |
| RAMSDEN, Carl RESIGNED | Secretary | 15 Jul 2011 | 01 Apr 2019 | | | Stuart Road, Manor Park, Runcorn, Cheshire, WA7 1TR, United Kingdom |
| TAYLOR, Mary Elisabeth RESIGNED | Secretary | | 12 Jun 1995 | | | Oaklea, 298 Washway Road, Sale, Cheshire, M33 4RU |
| WARD, Martin Charles RESIGNED | Secretary | 01 Sep 2004 | 31 Aug 2005 | | | 9 Waterlow Road, Reigate, Surrey, RH2 7EY |
| BOS, Anton RESIGNED | Director | 01 Mar 2000 | 29 Nov 2001 | | February 1949 | Groenendaalseweg 15, Ex Loenen, Netherlands 7371 |
| BOWDEN, Charles Nigel RESIGNED | Director | 01 Apr 2016 | 01 Apr 2019 | United Kingdom | January 1962 | Stuart Road, Manor Park, Runcorn, Cheshire, WA7 1TR, United Kingdom |
| BUSH, Kenneth RESIGNED | Director | | 30 Jan 1992 | | March 1933 | 18 Towgood Way, St Neots, Huntingdon, Cambridgeshire, PE19 4RP |
| DE GROOT, William Ariaan RESIGNED | Director | 31 Aug 2005 | 01 Sep 2012 | | April 1961 | Stuart Road, Manor Park, Runcorn, Cheshire, WA7 1TR, United Kingdom |
| DIK, Hans RESIGNED | Director | 21 Jan 2000 | 01 Apr 2003 | | April 1940 | Hoorneweg 16, Putten 3881 Nk, The Netherlands |
| FIRKINS, Don RESIGNED | Director | 23 Aug 2000 | 01 Apr 2003 | England | December 1949 | 32 Park Lane, Hartford, Northwich, Cheshire, CW18 1PZ |
| GILLARD, Philip Ewart RESIGNED | Director | 01 Jun 1994 | 25 Aug 1995 | | July 1961 | Hoddesdon Mount 92 Robin Hood Lane, Helsby, Warrington, Cheshire, WA6 9NH |
| HAUPTMEIJER, Hermanus Maria RESIGNED | Director | 01 Sep 2012 | 01 Oct 2013 | The Netherlands | September 1949 | Van Beuningenlaan 5, Soest, 3768GE, The Netherlands |
| HAUPTMEIJER, Hermanus Maria RESIGNED | Director | 01 Apr 2003 | 31 Aug 2005 | The Netherlands | September 1949 | Van Beuningenlaan 5, 3768 Ge Soest, The Netherlands |
| HELGET, Andreas, Dr.-Ing. RESIGNED | Director | 01 Apr 2021 | 22 Dec 2021 | Germany | September 1961 | Stuart Road, Manor Park, Runcorn, Cheshire , WA7 1TR |
| HOSKINS, Stephen David RESIGNED | Director | 01 Jun 1998 | 31 Aug 2004 | England | July 1955 | 113 Sandown Crescent, Cuddington, Northwich, Cheshire, CW8 2QN |
| IRVINE, Desmond James RESIGNED | Director | 01 Mar 2000 | 01 Oct 2013 | | September 1945 | Stuart Road, Manor Park, Runcorn, Cheshire, WA7 1TR |
| ISHII, Kiyokazu RESIGNED | Director | 31 Aug 2005 | 30 Apr 2008 | | May 1950 | Teilingen 111, Amsterdam, Js 1082 Js, FOREIGN, The Netherlands |
| JARVIS, Daric RESIGNED | Director | | 20 Mar 2000 | | September 1945 | Beaver Creek House, Northop Country Park, Northop, Flintshire, CH7 6WD |
| MACLEOD, Norman RESIGNED | Director | 25 Aug 1995 | 21 Jan 2000 | | July 1950 | Oud Blaricummerweg 3, 1411 J.R. Naarden, Netherlands |
| MATSUBARA, Takayuki RESIGNED | Director | 01 Apr 2022 | 01 Jan 2024 | Japan | January 1965 | Stuart Road, Manor Park, Runcorn, Cheshire , WA7 1TR |
| RAMSDEN, Carl Ian RESIGNED | Director | 01 Apr 2019 | 30 Sep 2025 | England | February 1976 | Stuart Road, Manor Park, Runcorn, Cheshire, WA7 1TR, United Kingdom |
| ROGERS, Simon Michael RESIGNED | Director | 14 Oct 2013 | 31 Mar 2016 | United Kingdom | May 1964 | Yokogawa United Kingdom Limited, Stuart Rd, Manor Park, Runcorn, Cheshire, WA7 1TR, United Kingdom |
| TIPTON, David RESIGNED | Director | 01 Jun 1998 | 31 Mar 2009 | | March 1957 | Heathview Cottage, Runcorn Road Little Leigh, Northwich, Cheshire, CW8 4QX |
| VAN DEN BERG, Hermanus Johannes RESIGNED | Director | 01 Oct 2013 | 01 Apr 2021 | Netherlands | January 1958 | Euroweg 2, Amersfoort, Utrecht, 3825 HD, Netherlands |
| VAN DIJK, Mattheus RESIGNED | Director | | 25 Aug 1995 | | March 1951 | Prinses Marijkelaan 6, 3925 Hb, Scherpenzeel, FOREIGN, The Netherlands |
| WARD, Martin Charles RESIGNED | Director | 01 Apr 2003 | 28 Jan 2013 | | February 1952 | Stuart Road, Manor Park, Runcorn, Cheshire, WA7 1TR |
| WRIGHT, Ian Francis RESIGNED | Director | 01 Jun 1994 | 22 Oct 1997 | | May 1957 | 10 Greenslate Court Orrell, Billinge, Wigan, Lancashire, WN5 7BH |
| YAMAMOTO, Junji RESIGNED | Director | 01 Apr 2002 | 31 Aug 2005 | | March 1958 | Teilingen 111, 1082 Js Amsterdam, FOREIGN, Netherlands |