| WEBB, Helen ACTIVE | Secretary | 31 May 2022 | | | | Hinton House, Birchwood Park Avenue, Birchwood, Warrington, WA3 6GR, England |
| ADAMS, Susan Jane, Dr ACTIVE | Director | 21 Sep 2023 | | England | December 1960 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, CA24 3HU, United Kingdom |
| CALLOWAY, Michael John ACTIVE | Director | 20 Nov 2020 | | England | October 1969 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, CA24 3HU, United Kingdom |
| CRABTREE, James Michael ACTIVE | Director | 01 Jul 2022 | | United Kingdom | April 1996 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, CA24 3HU, United Kingdom |
| GILMOUR, Jeremy Mark ACTIVE | Director | 01 Apr 2021 | | England | August 1966 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, CA24 3HU, United Kingdom |
| PARK, Ian ACTIVE | Director | 01 Apr 2024 | | Scotland | January 1965 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, CA24 3HU, United Kingdom |
| SHORT, Andrew Gregor ACTIVE | Director | 12 Feb 2026 | | England | January 1977 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, CA24 3HU, United Kingdom |
| CAPITAL CRANFIELD PENSION TRUSTEES LIMITED ACTIVE | Director | 01 Apr 2016 | | | | New Liverpool House, 15 - 17 Eldon Street, London, EC2M 7LD, England |
| LAW DEBENTURE TRUST CORPORATION P.L.C. (THE) ACTIVE | Director | 11 Jun 2025 | | | | 100, Bishopsgate, London, EC2N 4AG, England |
| PAN TRUSTEES UK LLP ACTIVE | Director | 01 Apr 2016 | | | | The Annex, Oathall House, 68,70 Oathall Road, Haywards Heath, West Sussex, RH16 3EN, England |
| ELLIOTT, Katy Laura RESIGNED | Secretary | 23 Sep 2021 | 20 Apr 2022 | | | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, Cumbria, CA24 3HU |
| HODGSON, Elizabeth Helen RESIGNED | Secretary | 24 Feb 2021 | 23 Sep 2021 | | | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, Cumbria, CA24 3HU |
| HODGSON, Helen Elizabeth RESIGNED | Secretary | 11 Jul 2006 | 09 Mar 2020 | | | 10, Brierydale Lane, Stainburn, Workington, Cumbria, CA14 4UH, United Kingdom |
| REID, Colin Stuart RESIGNED | Secretary | 08 Mar 2020 | 23 Feb 2021 | | | Nuclear Decommissioning Authority, Hinton House, Birchwood Park Avenue, Birchwood, Warrington, Cheshire, WA3 6GR, England |
| BAMFORTH, John Richard RESIGNED | Director | 01 Apr 2012 | 31 Mar 2013 | England | October 1964 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, Cumbria, CA24 3HU, England |
| COOPER, Anthony RESIGNED | Director | 11 Jul 2006 | 31 Dec 2013 | England | December 1943 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, Cumbria, CA24 3HU, England |
| CORBETT, Joyce Morag RESIGNED | Director | 01 Apr 2014 | 29 Jan 2018 | England | December 1955 | Magnox Support Office, Magnox Limited, Berkeley, Gloucestershire, GL13 9PB, England |
| DRAPER, Fiona Mary RESIGNED | Director | 11 Jul 2006 | 28 Apr 2010 | England | May 1957 | 44 Greenway Gardens, Chippenham, Wiltshire, SN15 1AL |
| DRIVER, Ian Robert RESIGNED | Director | 11 Jul 2006 | 31 Mar 2017 | England | May 1960 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, Cumbria, CA24 3HU, England |
| FORD, Jonathan RESIGNED | Director | 01 Apr 2012 | 31 Mar 2017 | England | June 1962 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, Cumbria, CA24 3HU, England |
| GORHAM, Ronald Anthony RESIGNED | Director | 16 Oct 2019 | 20 Nov 2020 | England | November 1961 | Nda Harwell Office, B329 West, Thomson Avenue, Harwell Oxford, Didcot, OX11 0GD, England |
| GRAHAM, Peter Vincent RESIGNED | Director | 11 Jul 2006 | 12 Jun 2008 | | June 1959 | 9 Lockheart Crescent, Oxford, Oxfordshire, OX4 3RN |
| GREENE, Philip John RESIGNED | Director | 01 Feb 2018 | 30 Jun 2022 | Britain | June 1968 | 30, Highgate, Blackpool, FY4 2QJ, England |
| GREENHALGH, George RESIGNED | Director | 12 Jun 2008 | 31 Mar 2013 | England | October 1947 | 53, Renshaw Drive, Walton-Le-Dale, Preston, Lancashire, PR5 4RB, United Kingdom |
| GREGORY, David Thomas RESIGNED | Director | 28 Apr 2010 | 31 Mar 2018 | United Kingdom | June 1957 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, Cumbria, CA24 3HU, England |
| HAMMOND, Mairi Fiona RESIGNED | Director | 11 Jul 2006 | 29 Aug 2008 | England | March 1962 | Bridge End Farm, Ullock, Workington, Cumbria, CA14 4TP |
| HATT, Philippa RESIGNED | Director | 21 Sep 2020 | 20 Sep 2023 | England | September 1973 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, CA24 3HU, United Kingdom |
| ILLINGWORTH, David Jeremy RESIGNED | Director | 01 Jan 2014 | 31 Dec 2017 | United Kingdom | April 1947 | 7, Park Lane, Greenfield, Oldham, OL3 7DX, England |
| LOWE, Nigel William RESIGNED | Director | 01 Oct 2014 | 16 Oct 2019 | Scotland | November 1959 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, Cumbria, CA24 3HU |
| MCDONALD, Bernard RESIGNED | Director | 28 Apr 2010 | 31 Mar 2014 | United Kingdom | September 1957 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, Cumbria, CA24 3HU, England |
| MCLAUGHLIN, James RESIGNED | Director | 29 Aug 2008 | 12 Mar 2014 | Scotland | August 1957 | 3, Telford View, Linlithgow Bridge, Linlithgow, West Lothian, EH49 7RS, United Kingdom |
| OLDHAM, Andrew Michael Colin RESIGNED | Director | 12 Feb 2020 | 11 Feb 2026 | England | October 1959 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, CA24 3HU, United Kingdom |
| OLDHAM, Andrew Michael Colin RESIGNED | Director | 01 Apr 2010 | 31 Mar 2016 | England | October 1959 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, Cumbria, CA24 3HU, England |
| RAINFORD, Frank RESIGNED | Director | 01 Apr 2018 | 31 Mar 2021 | United Kingdom | May 1962 | Hinton House, Birchwood Park Avenue, Birchwood, Warrington, WA3 6GR, England |
| ROBERTS, William Mark RESIGNED | Director | 11 Jul 2006 | 31 Mar 2010 | United Kingdom | November 1964 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, Cumbria, CA24 3HU, England |
| TOOLE, Claire RESIGNED | Director | 01 Apr 2018 | 31 Mar 2024 | England | November 1968 | Nsbs, Chapel Bank, Curwen Road, Workington, CA14 2DD, England |
| UPPINGTON, Audrey Dunsmuir RESIGNED | Director | 01 Apr 2017 | 31 Mar 2020 | England | November 1950 | 8, Holcombe Road, Blackpool, FY2 0SR, England |
| VAN DER LEM, Andrew Cornelis RESIGNED | Director | 01 Apr 2017 | 31 Dec 2019 | England | January 1972 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, Cumbria, CA24 3HU |
| VAUGHAN, Peter Andrew, Dr RESIGNED | Director | 11 Jul 2006 | 01 Oct 2014 | England | October 1959 | Nda, Curie Avenue, Harwell Science & Innovation Campus, Didcot, Oxfordshire, OX11 0RH, England |
| VINEALL, David George RESIGNED | Director | 01 May 2014 | 31 Mar 2018 | Wales | September 1967 | Herdus House, Ingwell Drive, Westlakes Science & Technology Park, Moor Row, Cumbria, CA24 3HU, United Kingdom |
| WATSON, John RESIGNED | Director | 11 Jul 2006 | 28 Apr 2010 | | March 1966 | 21 Aikbank Road, Whitehaven, Cumbria, CA28 6LJ |
| WHALLEY, Allan RESIGNED | Director | 01 Jan 2018 | 11 Sep 2019 | United Kingdom | September 1961 | 26, Strettea Lane, Higham, Alfreton, Derbyshire, DE55 6EJ, United Kingdom |
| STRETTEA INDEPENDENT TRUSTEES LIMITED RESIGNED | Director | 11 Sep 2019 | 31 Dec 2023 | | | 26, Strettea Lane, Higham, Alfreton, DE55 6EJ, England |