| PRITCHARD, Christopher John ACTIVE | Secretary | 17 Mar 2022 | | | | Tdk-Lambda Uk Limited, Kingsley Avenue, Ilfracombe, EX34 8ES, England |
| CHEDORGE, Stephane ACTIVE | Director | 01 Aug 2025 | | France | April 1975 | Tdk-Lambda Uk Limited, Kingsley Avenue, Ilfracombe, EX34 8ES, England |
| COTTON, Matthew Edward Charles ACTIVE | Director | 01 Apr 2020 | | England | July 1971 | Tdk-Lambda Uk Limited, Kingsley Avenue, Ilfracombe, EX34 8ES, England |
| KELLER, Andreas ACTIVE | Director | 01 Jul 2022 | | Germany | October 1969 | 116b, Rosenheimer Strasse, 81669, Munich, Germany |
| PRITCHARD, Christopher ACTIVE | Director | 06 Jan 2020 | | United Kingdom | May 1970 | Tdk-Lambda Uk Limited, Kingsley Avenue, Ilfracombe, EX34 8ES, England |
| DYKES, Alan RESIGNED | Secretary | 19 Oct 1998 | 19 May 2000 | | | East Down Mill, Bugford, Devon, EX31 4LZ |
| SIBSON, John Andrew William RESIGNED | Secretary | | 04 Dec 1998 | | | 7 Chichester Crescent, Barnstaple, Devon, EX32 9JH |
| CLIFFORD CHANCE SECRETARIES LIMITED RESIGNED | Secretary | 30 Sep 2005 | 31 Mar 2010 | | | 10, Upper Bank Street, London, E14 5JJ, United Kingdom |
| INVENSYS SECRETARIES LIMITED RESIGNED | Secretary | 19 May 2000 | 30 Sep 2005 | | | Invensys House, Carlisle Place, London, SW1P 1BX |
| OSS SECRETARIES LIMITED RESIGNED | Secretary | 20 Apr 2010 | 17 Mar 2022 | | | Tower House 26, The Strand, Bideford, Devon, EX39 2ND |
| ANDERSON, Denis Alexander RESIGNED | Director | | 29 Sep 1999 | England | August 1945 | Beech Leigh, Rectory Hill Berrynarbor, Ilfracombe, North Devon, EX34 9SE |
| BAYS, James Claude RESIGNED | Director | 23 Feb 2000 | 30 Mar 2001 | | July 1949 | 28 Elmstone Road, Fulham, London, SW6 5TN |
| CLAYTON, John Reginald William RESIGNED | Director | 01 May 2001 | 30 Sep 2005 | England | December 1950 | Matley House, Grange Lane, Little Dunmow, Great Dunmow, Essex, CM6 3HY |
| COATES, Martin RESIGNED | Director | 01 Aug 2020 | 30 Sep 2025 | England | September 1981 | Tdk-Lambda Uk Limited, Kingsley Avenue, Ilfracombe, EX34 8ES, England |
| COCHRANE, Adam Craven RESIGNED | Director | 01 May 2001 | 31 Jan 2003 | | July 1957 | 41 Highfield Drive, Uxbridge, Middlesex, UB10 8AW |
| COLES, Richard Paul Atwell RESIGNED | Director | 07 Oct 1998 | 31 Jan 2003 | | November 1942 | 30 Devereux Road, Windsor, Berkshire, SL4 1JJ |
| COX, Philip Gotsall RESIGNED | Director | 07 Oct 1998 | 28 Apr 2000 | England | September 1951 | Thatch Cottage, Collinswood Road, Farnham Common, Berkshire, SL2 3LH |
| DAVIES, Nigel John RESIGNED | Director | 01 Apr 1995 | 31 Jan 1996 | United Kingdom | July 1947 | Stowford Lodge, East Stowford, Umberleigh, Devon, EX37 9RU |
| DAVIES, Wyn Meredith RESIGNED | Director | 19 Apr 2010 | 16 Jun 2016 | United Kingdom | November 1953 | Tdk-Lambda, Kingsley Avenue, Ilfracombe, Devon, EX34 8ES, United Kingdom |
| DYKES, Alan RESIGNED | Director | 19 Oct 1998 | 30 Sep 2025 | United Kingdom | October 1958 | 27, Crofts Lea Park, Ilfracombe, Devon, EX34 9PN, England |
| FIELD, David Arthur RESIGNED | Director | | 30 Jun 1995 | | February 1935 | 25 Fairfield, Ilfracombe, Devon, EX34 9ND |
| FORD, Andrew John RESIGNED | Director | 01 Nov 2018 | 26 Jul 2021 | England | May 1960 | Tdk-Lambda, Kingsley Avenue, Ilfracombe, Devon, EX34 8ES |
| GUTIERREZ, Thomas RESIGNED | Director | 19 May 2000 | 13 Aug 2001 | | October 1948 | 8609 Six Forks Road, Raleigh, North Carolina, 27615, Usa |
| IGARASHI, Keisuke RESIGNED | Director | 30 Sep 2005 | 29 Oct 2008 | | May 1963 | 43 Rue Des Eglantiers, Mamer, L-8227, 8227, Luxembourg |
| JEFFERY, Robin Peter Martin RESIGNED | Director | 06 Apr 1998 | 30 Mar 2009 | | January 1956 | Blue Waters 15 Castle Hill Avenue, Ilfracombe, Devon, EX34 9HU |
| KENT, Peter Michael RESIGNED | Director | 19 May 2000 | 30 Sep 2005 | | November 1960 | 279 Mamansco Road, Ridgefield, Connecticut, Ct 06877, Usa |
| LEGRAND, Robert RESIGNED | Director | 01 Jun 1993 | 30 Apr 1997 | | September 1939 | 1 Ilot Des Cours 26, 91 Orsay, France, FOREIGN |
| MAIDMENT, Christopher John RESIGNED | Director | 01 Aug 2022 | 30 Sep 2025 | United Kingdom | September 1970 | Tdk-Lambda Uk Limited, Kingsley Avenue, Ilfracombe, EX34 8ES, England |
| MORI, Tadashi RESIGNED | Director | 01 Jun 2017 | 01 Jun 2018 | Germany | August 1963 | Tdk-Lambda, Kingsley Avenue, Ilfracombe, Devon, EX34 8ES |
| NAMBA, Yoshiyuki RESIGNED | Director | 29 Oct 2008 | 01 Jul 2014 | Germany | October 1966 | Hansaallee, 117, Dusseldorf, 40549, Germany |
| O'DONNELL, Michael Patrick RESIGNED | Director | 19 May 2000 | 01 May 2001 | | May 1955 | 11301 Brass Kettle Road, Raleigh, North Carolina 27614, United States |
| ONO, Takahiko RESIGNED | Director | 01 Jul 2014 | 01 Jun 2017 | Germany | January 1962 | Tdk-Lambda, Kingsley Avenue, Ilfracombe, Devon, EX34 8ES |
| PUJOL, Daniel RESIGNED | Director | | 14 Mar 2000 | | December 1943 | 4 Rue De Montmorency, Paris 75003, FOREIGN, France |
| PUTTICK, Timothy John RESIGNED | Director | 01 Jul 2019 | 01 Aug 2025 | England | September 1980 | Tdk-Lambda Uk Limited, Kingsley Avenue, Ilfracombe, EX34 8ES, England |
| RAWICZ SZCZERBO, Adam RESIGNED | Director | | 31 Jul 2020 | United Kingdom | April 1956 | Ford Hill, Kentisbury Ford, Barnstaple, North Devon, EX31 4NB |
| SCOTCHER, Philip John RESIGNED | Director | 19 Mar 2001 | 06 Jan 2020 | United Kingdom | February 1958 | 5 Willoway Grove, Braunton, Devon, EX33 1AT |
| SCOTT, Jonathan Ian Martin RESIGNED | Director | 01 Jul 2019 | 31 Dec 2024 | England | June 1967 | Tdk-Lambda Uk Limited, Kingsley Avenue, Ilfracombe, EX34 8ES, England |
| SHIMIZU, Shunsuke RESIGNED | Director | 13 May 2010 | 13 Jun 2013 | United Kingdom | January 1958 | Tdk-Lambda, Kingsley Avenue, Ilfracombe, Devon, EX34 8ES, United Kingdom |
| SIBSON, John Andrew William RESIGNED | Director | | 04 Dec 1998 | | January 1945 | 7 Chichester Crescent, Barnstaple, Devon, EX32 9JH |
| SOUTHAM, Martin RESIGNED | Director | 01 Apr 1995 | 31 Jul 2022 | United Kingdom | November 1956 | 14 Rumsam Gardens, Barnstaple, Devon, EX32 9EY |
| SQUILLER, Daniel William RESIGNED | Director | 19 May 2000 | 09 Jul 2004 | | July 1957 | 6686 Merwell Street, San Diego, Ca 92122-2331, FOREIGN, United States |
| STEVENTON, Gary RESIGNED | Director | 01 Apr 1996 | 29 Sep 2000 | | June 1943 | Park Lodge New Barnstaple Road, Ilfracombe, Devon, EX34 9NT |
| SUZUKI, Takeo RESIGNED | Director | 30 Sep 2005 | 18 Jun 2007 | | March 1944 | Apartment 3610, 16-7, Konan, 2-Chome, Minato-Ku, Tokyo, FOREIGN, Japan |
| SWAN, Paul RESIGNED | Director | 19 Apr 2016 | 06 Jan 2020 | United Kingdom | October 1971 | Tdk-Lambda, Kingsley Avenue, Ilfracombe, Devon, EX34 8ES |
| THOMAS, David Jeremy RESIGNED | Director | 01 Apr 2003 | 30 Sep 2005 | United Kingdom | May 1954 | 11 Coutts Crescent, 13-23 St Albans Road, London, NW5 1RF |
| TURNER, Ian Leslie RESIGNED | Director | | 31 Dec 1995 | England | December 1955 | 9 Braefell Close, West Bridgford, Nottinghamshire, NG2 6SS |
| WILBY, Geoffrey William RESIGNED | Director | 01 Dec 2006 | 30 Sep 2023 | United Kingdom | June 1957 | 6 Taw Meadow Crescent, Fremington, Devon, EX31 2QA |
| YAMAGISHI, Seiji RESIGNED | Director | 18 Jun 2007 | 23 Jun 2011 | Germany | April 1957 | Pariser Ring 10-2, Baden-Baden, 76532, Germany |
| ZICHLARZ, Joachim RESIGNED | Director | 01 Jun 2018 | 30 Jun 2022 | Germany | January 1964 | Tdk-Lambda Uk Limited, Kingsley Avenue, Ilfracombe, EX34 8ES, England |