| ASTLEY COOPER, Patricia Ann ACTIVE | Director | 22 Aug 2011 | | England | March 1950 | Cannon Hall, Bark House Lane, Cawthorne, Barnsley, S75 4AT, England |
| FLOWERDAY, Richard ACTIVE | Director | 13 Nov 2018 | | United Kingdom | November 1947 | Cannon Hall, Bark House Lane, Cawthorne, Barnsley, S75 4AT, England |
| JONES, Stephen David ACTIVE | Director | 06 Feb 2018 | | England | September 1957 | Cannon Hall, Bark House Lane, Cawthorne, Barnsley, S75 4AT, England |
| LEE, Lorna Rosemary ACTIVE | Director | 22 Mar 2023 | | United Kingdom | April 1963 | Cannon Hall, Bark House Lane, Cawthorne, Barnsley, S75 4AT, England |
| MCMEAKIN, Jean ACTIVE | Director | 03 Jun 2014 | | England | March 1958 | Cannon Hall, Bark House Lane, Cawthorne, Barnsley, S75 4AT, England |
| HARDY, Sarah Elizabeth RESIGNED | Secretary | 15 May 2018 | 03 Jan 2025 | | | Cannon Hall, Bark House Lane, Cawthorne, Barnsley, S75 4AT, England |
| LONGWORTH, Claire Elizabeth RESIGNED | Secretary | 22 May 2009 | 14 May 2018 | | | Boundary House, 91 Charterhouse Street, London, EC1M 6HR, England |
| ATKINS, Claire Louise RESIGNED | Director | 03 Jun 2014 | 18 May 2018 | United Kingdom | February 1979 | Boundary House, 91 Charterhouse Street, London, EC1M 6HR, England |
| BOSTON, Nicholas Ian RESIGNED | Director | 03 Jun 2014 | 15 Feb 2021 | England | November 1959 | Cannon Hall, Bark House Lane, Cawthorne, Barnsley, S75 4AT, England |
| CATLEUGH, Katherine RESIGNED | Director | 22 May 2009 | 21 May 2015 | United Kingdom | January 1931 | Boundary House, 91 Charterhouse Street, London, EC1M 6HR, England |
| CLARK, Frederick James RESIGNED | Director | 17 Apr 2024 | 15 Apr 2026 | England | October 1990 | Cannon Hall, Bark House Lane, Cawthorne, Barnsley, S75 4AT, England |
| DECOURCY, Lesley Mai RESIGNED | Director | 01 Nov 2010 | 07 Aug 2015 | United Kingdom | July 1954 | Boundary House, 91 Charterhouse Street, London, EC1M 6HR, England |
| DUNSTAN-SMITH, Helen Lara RESIGNED | Director | 22 May 2009 | 20 May 2013 | England | June 1971 | 38, West Hill, London, SW18 1RZ |
| FREDERICK, Margaretta RESIGNED | Director | 22 Mar 2023 | 13 Aug 2025 | United States | August 1959 | Cannon Hall, Bark House Lane, Cawthorne, Barnsley, S75 4AT, England |
| GRAHAM, Vanessa RESIGNED | Director | 22 May 2009 | 05 Jan 2015 | England | August 1937 | Wandsworth Museum Building, De Morgan Centre, 38 West Hill, Wandsworth, London, SW18 1RX, United Kingdom |
| HUNTER, Kathryn Anne RESIGNED | Director | 17 Apr 2024 | 15 Apr 2026 | England | December 1980 | Cannon Hall, Bark House Lane, Cawthorne, Barnsley, S75 4AT, England |
| JACKSON, Paul Anthony RESIGNED | Director | 22 May 2009 | 08 Jun 2015 | United Kingdom | October 1950 | Boundary House, 91 Charterhouse Street, London, EC1M 6HR, England |
| LYUZHANOV, Stanislav RESIGNED | Director | 12 Jan 2018 | 18 Jan 2023 | England | March 1983 | Cannon Hall, Bark House Lane, Cawthorne, Barnsley, S75 4AT, England |
| MCCUE, Paul Maxwell RESIGNED | Director | 22 May 2009 | 19 Jul 2010 | England | April 1958 | 38, West Hill, London, SW18 1RZ |
| OFFORD, Kerri RESIGNED | Director | 22 Mar 2023 | 13 Aug 2025 | England | October 1986 | Cannon Hall, Bark House Lane, Cawthorne, Barnsley, S75 4AT, England |
| SHAW, Becky RESIGNED | Director | 21 Jan 2019 | 17 Jan 2024 | England | June 1986 | Cannon Hall, Bark House Lane, Cawthorne, Barnsley, S75 4AT, England |
| TUCK, Anthony Edward RESIGNED | Director | 22 May 2009 | 16 Sep 2013 | United Kingdom | December 1940 | Wandsworth Museum Building, De Morgan Centre, 38 West Hill, Wandsworth, London, SW18 1RX, United Kingdom |
| WALKER, Timothy Edward Hanson, Dr RESIGNED | Director | 22 May 2009 | 21 May 2012 | England | July 1945 | 38, West Hill, London, SW18 1RZ |
| WESCOMBE BLACKMAN, Kara RESIGNED | Director | 03 Jun 2014 | 08 Apr 2015 | England | July 1975 | 16, St. John's Lane, London, EC1M 4BS, England |
| WHITTINGHAM, Diana Mary, Councillor RESIGNED | Director | 22 May 2009 | 21 May 2012 | England | February 1934 | 38, West Hill, London, SW18 1RZ |
| WILSON, Simon Casimir RESIGNED | Director | 22 May 2009 | 13 Sep 2010 | United Kingdom | June 1942 | 38, West Hill, London, SW18 1RZ |