| EVERIST, Graeme ACTIVE | Secretary | 01 May 2018 | | | | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| BROPHY, Victoria Rhiannon Baird ACTIVE | Director | 06 Jun 2024 | | England | November 1983 | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| CHINYA, Kudzanayi ACTIVE | Director | 04 Dec 2025 | | England | August 1987 | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| HARRISON, Myles Timothy ACTIVE | Director | 04 Dec 2025 | | England | December 1972 | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| MCLEOD, Carina Dawn ACTIVE | Director | 08 Sep 2022 | | England | February 1980 | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| ROCKETT, William James Trevethen ACTIVE | Director | 19 Sep 2019 | | England | January 1960 | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| SAMBRUCK, Jamie Richard ACTIVE | Director | 09 Sep 2021 | | United Kingdom | August 1980 | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| WESTWOOD, David Ian ACTIVE | Director | 09 Jun 2022 | | Wales | April 1967 | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| WILKINS, Louise Christine ACTIVE | Director | 05 Mar 2026 | | England | September 1983 | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| EKE, John Robert RESIGNED | Secretary | 19 Mar 2007 | 31 Jul 2016 | | | 168 Dragon Road, Hatfield, Hertfordshire, AL10 9NZ |
| STEPHENSON, David John RESIGNED | Secretary | 29 Mar 2000 | 19 Mar 2007 | | | Hillcroft 18 Stubbs Wood, Amersham, Buckinghamshire, HP6 6EY |
| TAYLOR, Caroline Susan RESIGNED | Secretary | 01 Aug 2016 | 30 Apr 2018 | | | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| WATERLOW SECRETARIES LIMITED RESIGNED | Nominee Secretary | 29 Mar 2000 | 29 Mar 2000 | | | 6-8 Underwood Street, London, N1 7JQ |
| ADLAM, Nicola Amber RESIGNED | Director | 25 Feb 2008 | 22 Sep 2014 | England | August 1979 | NR13 |
| BARNET, Stephen David RESIGNED | Director | 14 Sep 2001 | 07 Apr 2009 | | August 1965 | 63a High Street, Great Missenden, Buckinghamshire, HP16 0AA |
| BATTLE, Nicola RESIGNED | Director | 18 May 2015 | 07 Mar 2024 | Ireland | December 1968 | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| CAICEDO, Fernando RESIGNED | Director | 01 Mar 2017 | 04 Dec 2025 | England | October 1982 | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| DE SOUSA CAIRES, Alan David RESIGNED | Director | 25 May 2016 | 12 Jun 2018 | England | November 1965 | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| DERHAM, Gaynor Joan RESIGNED | Director | 25 May 2016 | 06 Mar 2025 | Wales | March 1956 | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| EDWARDS, Ian RESIGNED | Director | 29 Mar 2000 | 11 Dec 2000 | | December 1946 | The Hayloft Home Farm, Park Road, Tring, Hertfordshire, HP23 6QU |
| EKE, John Robert RESIGNED | Director | 19 Mar 2007 | 31 Jul 2016 | United Kingdom | September 1945 | 168 Dragon Road, Hatfield, Hertfordshire, AL10 9NZ |
| GEORGE, Sarah Anne RESIGNED | Director | 29 Mar 2000 | 08 Dec 2008 | United Kingdom | February 1956 | The Old Stables, Reads Lane Cublington, Leighton Buzzard, Bedfordshire, LU7 0LE |
| GOSS, Francis Jack, Mr. RESIGNED | Director | 07 Jun 2017 | 04 Dec 2025 | England | October 1971 | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| GRANT, Gary Peter RESIGNED | Director | 29 Mar 2000 | 22 Nov 2004 | | September 1958 | Dunstan, Common Road, Chorleywood, Hertfordshire, WD3 5LT |
| GRAY, Ian Richard RESIGNED | Director | 27 Sep 2017 | 07 Sep 2023 | England | October 1974 | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| HYTNER, Joanna Catherine RESIGNED | Director | 24 Nov 2014 | 11 Sep 2018 | England | May 1978 | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| JENNINGS, Martin RESIGNED | Director | 23 May 2005 | 24 Nov 2014 | United Kingdom | February 1961 | 8, Blackhorse Crescent, Amersham, Buckinghamshire, HP6 6HP |
| LOWBRIDGE, David William Albert RESIGNED | Director | 26 Apr 2010 | 27 Sep 2017 | England | August 1949 | G4, Challenge House, Sherwood Drive Bletchley, Milton Keynes, MK3 6DP, England |
| MELLUISH, Elspeth Lindsay Mary RESIGNED | Director | 19 Mar 2007 | 14 Dec 2012 | United Kingdom | October 1960 | 102 Elers Road, London, W13 9QE |
| PASCALL, Edward Stuart RESIGNED | Director | 11 Jul 2001 | 28 Sep 2007 | United Kingdom | April 1944 | 18 Hawthorn Drive, Brackley, Northamptonshire, NN13 6PA |
| PLASS, Bridget RESIGNED | Director | 29 Jun 2009 | 30 Nov 2012 | United Kingdom | December 1945 | 4-8, Challenge House Sherwood Drive, Bletchley, Milton Keynes, Buckinghamshire, MK3 6DP, United Kingdom |
| SHROUDER, Samuel John RESIGNED | Director | 11 Sep 2018 | 08 Sep 2022 | England | July 1945 | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| SHROUDER, Samuel John RESIGNED | Director | 23 Feb 2015 | 05 Dec 2017 | England | July 1945 | G4, Challenge House, Sherwood Drive Bletchley, Milton Keynes, MK3 6DP |
| STEPHENSON, David John RESIGNED | Director | 29 Mar 2000 | 19 Mar 2007 | England | April 1945 | Hillcroft 18 Stubbs Wood, Amersham, Buckinghamshire, HP6 6EY |
| WATSON, Joanna Rachel RESIGNED | Director | 25 Feb 2013 | 11 Sep 2018 | England | November 1971 | Challenge House, Sherwood Drive, Bletchley, Milton Keynes, MK3 6DP, England |
| WELFORD, Alastair William RESIGNED | Director | 13 Sep 2004 | 31 Mar 2012 | United Kingdom | August 1958 | Leadenporch Farm, Deddington, Oxfordshire, OX15 0SX |
| YORK, Jenifer Mary RESIGNED | Director | 14 Dec 2009 | 23 Feb 2015 | England | October 1945 | G4, Challenge House, Sherwood Drive Bletchley, Milton Keynes, MK3 6DP, England |
| WATERLOW NOMINEES LIMITED RESIGNED | Nominee Director | 29 Mar 2000 | 29 Mar 2000 | | | 6-8 Underwood Street, London, N1 7JQ |
| WATERLOW SECRETARIES LIMITED RESIGNED | Nominee Director | 29 Mar 2000 | 29 Mar 2000 | | | 6-8 Underwood Street, London, N1 7JQ |