| LANE, Alexander James ACTIVE | Director | 01 Mar 2024 | | England | April 1978 | Serco House, 16 Bartley Way, Hook, RG27 9UY, England |
| MITCHELL, Jennifer C ACTIVE | Director | 24 May 2023 | | United States | March 1982 | Serco House, 16 Bartley Way, Hook, RG27 9UY, England |
| REYNELL, Colin William ACTIVE | Director | 01 Oct 2015 | | England | May 1969 | Serco House, 16 Bartley Way, Hook, RG27 9UY, England |
| COOKE, David John RESIGNED | Secretary | 24 Jul 2002 | 22 Oct 2003 | | | Awe Plc, Aldermaston, Reading, Berkshire, RG7 4PR |
| DYER, Graham John RESIGNED | Secretary | 24 Nov 1999 | 24 Jul 2002 | | | 129 Palewell Park, East Sheen, London, SW14 8JJ |
| FRANKLIN, Nicholas Curtis RESIGNED | Secretary | 22 Oct 2003 | 30 Sep 2015 | | | Awe Plc, Aldermaston, Reading, Berkshire, RG7 4PR |
| RIGBY-HALL, Siobhan Claire Mary RESIGNED | Secretary | 10 Nov 1998 | 24 Nov 1999 | | | 315 St Margarets Road, St Margarets, Twickenham, Middlesex, TW1 1PN |
| SMITH, Jonathan David RESIGNED | Secretary | 07 Nov 2017 | 29 Jun 2021 | | | Room 20, Building F161.2, Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, England |
| L & A SECRETARIAL LIMITED RESIGNED | Nominee Secretary | 10 Nov 1998 | 10 Nov 1998 | | | 31 Corsham Street, London, N1 6DR |
| ABBOTT, Ronnie Dean, Director RESIGNED | Director | 11 May 2009 | 05 Feb 2014 | England | January 1949 | 4, Cheltenham Terrace, London, SW3 4RD, Uk |
| ABBOTT, Ronnie Dean RESIGNED | Director | 04 Feb 2009 | 17 Mar 2009 | | January 1949 | 10603, Emerald Chase Drive, Orlando, Florida, FL 32836, Usa |
| ATKINSON, Alison Jane RESIGNED | Director | 15 May 2020 | 30 Jun 2021 | England | December 1969 | Room 20, Building F161.2, Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, England |
| BEVERIDGE, George David RESIGNED | Director | 10 Nov 1998 | 02 Mar 2005 | United Kingdom | March 1965 | 16 Parklands Drive, Cockermouth, Cumbria, CA13 0WW |
| BILGER, Kevin Michael RESIGNED | Director | 21 Jan 2015 | 16 Apr 2016 | Usa | April 1960 | Atomic Weapons Establishment, Aldermaston, Reading, Berkshire, RG7 4PR |
| BONSER, David Richard RESIGNED | Director | 01 Oct 2007 | 07 May 2009 | England | April 1949 | The Old Dairy, South Town Road, Medstead, Alton, Hampshire, GU34 5PP |
| BRADLEY, Thomas Irwin RESIGNED | Director | 05 Aug 2016 | 24 May 2023 | United States | May 1959 | Serco House, 16 Bartley Way, Hook, RG27 9UY, England |
| BUTLER, Gary John RESIGNED | Director | 01 Jul 2019 | 30 Jun 2021 | England | June 1962 | Room 20, Building F161.2, Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, England |
| CAHILL, Timothy Scott RESIGNED | Director | 08 Oct 2014 | 09 Mar 2016 | Usa | September 1965 | Atomic Weapons Establishment, Aldermaston, Reading, Berkshire, RG7 4PR |
| CAMARDO, Michael Frank RESIGNED | Director | 24 Nov 1999 | 17 Jan 2000 | | January 1942 | 55 South Hinchman Avenue, Haddonfield, 08033 Camden County, U S A |
| COUCHER, Iain Michael RESIGNED | Director | 16 Apr 2016 | 15 May 2020 | Scotland | August 1961 | Room 20, Building F161.2, Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, England |
| CRAVEN, Kevin David RESIGNED | Director | 01 Jan 2015 | 30 Jun 2021 | England | April 1961 | Room 20, Building F161.2, Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, England |
| DAUNCEY, Stephen Benedict RESIGNED | Director | 26 Nov 2001 | 18 Oct 2004 | England | June 1956 | 2 Earl Road, Heaton Moor, Stockport, SK4 4JS |
| DIMARCO, John RESIGNED | Director | 24 Nov 1999 | 31 Mar 2003 | | June 1954 | 12 Acadia Drive, Voorhees, 08043 Camden County, U S A |
| DOWDS, Andrew Mclean RESIGNED | Director | 24 Nov 1999 | 26 Nov 2001 | | February 1960 | 15 Cleveland Road, Lytham, Lytham St. Annes, Lancashire, FY8 5JH |
| DOWNIE, Ian Wilson RESIGNED | Director | 24 Nov 1999 | 31 Dec 2014 | England | July 1955 | Serco House, Bartley Wood Business Park, Bartley Way, Hook, Hampshire, RG27 9UY |
| ECKFORD, Alan Tony RESIGNED | Director | 02 Mar 2005 | 30 Sep 2007 | United Kingdom | August 1948 | 53 Temple Mill Island, Bisham, Marlow, Berkshire, SL7 1SQ |
| EDWARDS, John Frederick RESIGNED | Director | 01 Apr 2007 | 30 Jun 2008 | England | October 1948 | 32 High Street, Warwick, Warwickshire, CV34 4AX |
| GIBBS, Stephen Edwin RESIGNED | Director | 29 Sep 2000 | 18 Oct 2004 | | May 1943 | 7 Willow Gardens, Liphook, Hampshire, GU30 7HY |
| GRZYB, David Arthur RESIGNED | Director | 16 Mar 2004 | 11 May 2009 | | November 1946 | 2, Hamilton Court, Southampton, New Jersey 08088, NM 08088, Usa |
| HAGEN, Terence RESIGNED | Director | 12 Jan 2016 | 08 Jan 2020 | America | July 1964 | Room 20, Building F161.2, Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, England |
| HAIGHT, William C RESIGNED | Director | 17 Jan 2000 | 26 Nov 2001 | | September 1943 | 404 Sunshine Lakes Drive, Voorhees, New Jersey 08043, Usa |
| HICKTON, Dawne Sepanski RESIGNED | Director | 08 Jan 2020 | 30 Jun 2021 | United States | November 1957 | Room 20, Building F161.2, Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, England |
| HIZA, Sarah Bedsaul, Dr RESIGNED | Director | 28 Oct 2019 | 30 Jun 2021 | United States | August 1979 | Room 20, Building F161.2, Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, England |
| HOLLY, John William RESIGNED | Director | 01 Jan 2015 | 11 Apr 2016 | England | August 1951 | Atomic Weapons Establishment, Aldermaston, Reading, Berkshire, RG7 4PR |
| HUTCHINSON, George Malcolm RESIGNED | Director | 24 Nov 1999 | 22 Oct 2003 | | August 1935 | Awe Plc, Aldermaston, Reading, Berkshire, RG7 4PR |
| JOYCE, Mathew James RESIGNED | Director | 05 Feb 2014 | 08 Oct 2014 | Usa | August 1958 | Atomic Weapons Establishment, Aldermaston, Reading, Berkshire, RG7 4PR |
| KELLER, Scott RESIGNED | Director | 07 Aug 2017 | 28 Oct 2019 | California, Usa | March 1963 | Room 20, Building F161.2, Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, England |
| LUTWYCHE, Peter Robert RESIGNED | Director | 09 Aug 2017 | 01 Oct 2020 | United States | November 1962 | Room 20, Building F161.2, Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, England |
| MAJKA, Paul RESIGNED | Director | 01 Apr 2003 | 16 Mar 2004 | | December 1958 | 901 Rt 73 And Lincoln Drive W, Marlton, New Jersey 08053, FOREIGN, Usa |
| MASTERTON, Gordon Grier Thomson RESIGNED | Director | 27 Feb 2014 | 19 May 2015 | Scotland | June 1954 | Atomic Weapons Establishment, Aldermaston, Reading, Berkshire, RG7 4PR |
| MCCARTHY, John Charles RESIGNED | Director | 12 Nov 2010 | 05 Aug 2016 | Usa | May 1947 | Atomic Weapons Establishment, Aldermaston, Reading, Berkshire, RG7 4PR |
| MCGILL, Robin William RESIGNED | Director | 12 Aug 2009 | 12 Aug 2010 | United Kingdom | August 1955 | Awe Plc, Building F6.1, Aldermaston, Reading, Berkshire, RG7 4PR, Uk |
| MCGUINESS, Robert Clayton RESIGNED | Director | 01 Sep 2014 | 30 Sep 2015 | United Kingdom | December 1951 | Atomic Weapons Establishment, Aldermaston, Reading, Berkshire, RG7 4PR |
| MCGUINESS, Robert Clayton, Dr RESIGNED | Director | 22 Oct 2003 | 03 Nov 2009 | United Kingdom | December 1951 | Serco House, Bartley Wood Business Park, Bartley Way, Hook, Hampshire, RG27 9UY |
| MCKEON, Monte Buck RESIGNED | Director | 16 Jul 2015 | 28 Jun 2018 | England | May 1975 | Room 20, Building F161.2, Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, England |
| MCLACHLAN, John RESIGNED | Director | 07 May 2009 | 30 Sep 2015 | United Kingdom | October 1946 | 10520, Wilshire Boulevard, #1102 Los Angeles, California, 90024, Usa |
| MCNAUGHT, William Wright RESIGNED | Director | 10 Nov 1998 | 24 Nov 1999 | | April 1945 | 14 Church Road East, Farnborough, Hampshire, GU14 6QJ |
| MORTON, Peter George RESIGNED | Director | 28 Jun 2018 | 30 Sep 2021 | England | August 1970 | Hill House, 1 Little New Street, London, EC4A 3TR, United Kingdom |
| OLSEN, Kenneth Otto RESIGNED | Director | 10 Nov 1998 | 24 Nov 1999 | | November 1939 | 1109 Pipestem Place, Rockville Md, Usa, 20854 |
| PARKER, Michael David RESIGNED | Director | 01 Jul 2008 | 07 May 2009 | England | July 1946 | Appartment 4-7, 17-22 Trevor Square, London, SW7 1EA |
| ROMIG, Alton Dale, Dr RESIGNED | Director | 02 Mar 2004 | 11 May 2009 | | October 1953 | 304, Big Horn Ridge Place Ne, Albuquerque, New Mexico, NM 87122, Usa |
| ROTTLER, Jerry Stephen, Dr RESIGNED | Director | 08 Dec 2017 | 30 Jun 2021 | United States | April 1958 | Room 20, Building F161.2, Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, England |
| ROTTLER, Jerry Stephen, Dr RESIGNED | Director | 11 May 2009 | 12 Nov 2010 | United States | April 1958 | 12928, Sunrise Trail Place Ne, Albuquerque, New Mexico, NM 87111, Usa |
| SAXTON, Harry James, Dr RESIGNED | Director | 20 Oct 2004 | 25 Jan 2018 | Usa | July 1939 | PO BOX 427, Hamilton, Montana, 59840, Usa |
| SAXTON, Harry James, Dr RESIGNED | Director | 26 Nov 2001 | 02 Mar 2004 | | July 1939 | 11257 Golden Chestnut Pl, Las Vegas, Nevada 89135, Usa |
| SEATON, Paul RESIGNED | Director | 15 Sep 2015 | 09 Aug 2017 | England | April 1964 | Atomic Weapons Establishment, Aldermaston, Reading, Berkshire, RG7 4PR |
| STARR, JR., Rogers Fleming RESIGNED | Director | 07 May 2009 | 27 Feb 2014 | Usa | February 1943 | 175, Kimwood Lane, Manchester, Tennessee Tn 37355, Usa |
| STASSI, Philip RESIGNED | Director | 19 May 2015 | 12 Jan 2016 | Usa | August 1955 | Atomic Weapons Establishment, Aldermaston, Reading, Berkshire, RG7 4PR |
| TENNER, Brian Thomas RESIGNED | Director | 19 Oct 2004 | 31 Mar 2007 | England | June 1968 | Watling Heyes, Chester Road, Kelsall, Cheshire, CW6 0RS |
| TYLER, Ian Paul RESIGNED | Director | 14 Mar 2016 | 30 Jun 2021 | United Kingdom | July 1960 | Room 20, Building F161.2, Atomic Weapons Establishment, Aldermaston, Reading, RG7 4PR, England |
| VALERIO, Mark RESIGNED | Director | 11 Apr 2016 | 07 Aug 2017 | Usa | February 1958 | Atomic Weapons Establishment, Aldermaston, Reading, Berkshire, RG7 4PR |
| WHITE, Andrew RESIGNED | Director | 11 Nov 2009 | 13 Feb 2014 | United Kingdom | September 1966 | Atomic Weapons Establishment, Aldermaston, Reading, Berkshire, RG7 4PR |
| WHITE, Clive Thomas RESIGNED | Director | 01 Oct 2020 | 30 Nov 2022 | England | May 1962 | Hill House, 1 Little New Street, London, EC4A 3TR, United Kingdom |
| WIEMELT, Karen RESIGNED | Director | 01 Dec 2022 | 01 Mar 2024 | United States | November 1963 | Serco House, 16 Bartley Way, Hook, RG27 9UY, England |
| L & A REGISTRARS LIMITED RESIGNED | Nominee Director | 10 Nov 1998 | 10 Nov 1998 | | | 31 Corsham Street, London, N1 6DR |