| HEATH, Daniel Mark ACTIVE | Secretary | 08 Apr 2025 | | | | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL |
| ASHBOLT, David Frederick ACTIVE | Director | 04 Apr 2018 | | England | July 1946 | Mark Masons Hall, 88 St. James's Street, London, SW1A 1PL, United Kingdom |
| DRIVER, Vincent John ACTIVE | Director | 29 Jan 2024 | | England | September 1958 | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL |
| GARTY, Edward Rennie ACTIVE | Director | 02 Jul 2020 | | England | March 1961 | Dyers Farm, Main Road, Woodham Ferrers, Chelmsford, CM3 8RP, England |
| HEATH, Daniel Mark ACTIVE | Director | 09 Apr 2024 | | England | June 1976 | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL |
| HILDITCH, James Robert Guy ACTIVE | Director | 19 Jul 2024 | | United Kingdom | October 1964 | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL |
| MACANDREWS, Timothy John Joseph ACTIVE | Director | 02 Jul 2020 | | England | March 1956 | 2 Caroline House, Bayswater Road, London, W2 4RG, England |
| WILLIAMS, Peter David ACTIVE | Director | 07 Oct 2025 | | England | May 1946 | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL |
| WILSON, Denovan Keith ACTIVE | Director | 11 Apr 2023 | | England | August 1943 | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL |
| BRACKLEY, John RESIGNED | Secretary | 11 Feb 2008 | 29 Apr 2013 | | | 86 St James Street, London, SW1A 1PL |
| FLIGHT, Graham Leslie RESIGNED | Secretary | 03 Jan 2024 | 08 Apr 2025 | | | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL |
| HANNAGAN, Angus Patrick Douglas, Lt Cdr RESIGNED | Secretary | 02 Apr 2015 | 30 Sep 2017 | | | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL |
| TARRANT, Paul William RESIGNED | Secretary | 29 Apr 2013 | 02 Apr 2015 | | | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL, Uk |
| WILLIAMS, Ryan Andrew RESIGNED | Secretary | 30 Sep 2017 | 03 Jan 2024 | | | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL |
| BRACKLEY, John RESIGNED | Director | 11 Feb 2008 | 29 Apr 2013 | United Kingdom | March 1943 | 86 St James Street, London, SW1A 1PL |
| EDWARDS, Stuart Ian RESIGNED | Director | 08 Mar 2011 | 29 Apr 2013 | United Kingdom | January 1945 | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL, Uk |
| EMMERSON, Herbert Keith RESIGNED | Director | 25 Nov 2014 | 30 Sep 2017 | England | October 1939 | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL |
| HANNAGAN, Angus Patrick Douglas, Lt Cdr RESIGNED | Director | 02 Apr 2015 | 30 Sep 2017 | England | February 1947 | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL |
| HERBERT, Michael RESIGNED | Director | 11 Feb 2008 | 29 Apr 2013 | United Kingdom | December 1932 | 86 St James Street, London, SW1A 1PL |
| HOWITT, John Norman George RESIGNED | Director | 29 Apr 2013 | 03 Jan 2024 | England | June 1943 | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL, Uk |
| PRIZEMAN, John Herbert RESIGNED | Director | 30 Sep 2017 | 12 Jan 2026 | England | August 1946 | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL |
| ROLLIN, Peter Hamilton RESIGNED | Director | 02 Apr 2015 | 17 Jan 2019 | England | November 1942 | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL |
| SPENCER, Francis Charles RESIGNED | Director | 11 Apr 2023 | 07 Oct 2025 | England | September 1952 | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL |
| TARRANT, Paul William RESIGNED | Director | 29 Apr 2013 | 02 Apr 2015 | England | August 1954 | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL, Uk |
| WALLIS, Richard Victor RESIGNED | Director | 29 Apr 2013 | 25 Nov 2014 | England | May 1942 | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL, Uk |
| WILLIAMS, Ryan Andrew RESIGNED | Director | 30 Sep 2017 | 03 Jan 2024 | England | November 1966 | Mark Masons' Hall, 86 St James's Street, London, SW1A 1PL |