| DURDEN, Alison Jane ACTIVE | Secretary | 01 Dec 2023 | | | | 87, Douglas Road, Esher, KT10 8BG, England |
| HARRIS, Adrian ACTIVE | Director | 11 Mar 2013 | | United Kingdom | August 1946 | Hawthorn Cottage, 3 Kings Ride, Alfriston, Polegate, East Sussex, BN26 5XP, England |
| SMITH, Bartholomew Evan Eric ACTIVE | Director | 25 Jun 2014 | | United Kingdom | February 1955 | Garden House, Cornwall Gardens, London, SW7 4BQ, England |
| SMITH, Matthew John ACTIVE | Director | 06 Jun 2017 | | England | March 1988 | 52, Marville Road, London, SW6 7BD, England |
| SMITH, Thomas Oswald Rowan ACTIVE | Director | 23 Sep 2024 | | England | November 1994 | Garden House, Cornwall Gardens, London, SW7 4BQ, England |
| WYNN, Andrew Guy ACTIVE | Director | 05 Sep 2011 | | England | November 1950 | Flat 10, Ashfield House, Bayshill Lane, Cheltenham, GL50 3AX, England |
| GILBERTSON, Christine Castelli RESIGNED | Secretary | 16 Mar 1992 | 31 Dec 2008 | | | 39 Rutland Gate, London, SW7 1PD |
| NIVEN, Helen Margaret RESIGNED | Secretary | 01 Jan 2009 | 24 Jan 2024 | | | 51, Hanover Gardens, London, SE11 5TN, United Kingdom |
| SMITH, Serena Mary RESIGNED | Secretary | | 16 Mar 1992 | | | 30 Rosary Gardens, London, SW7 4NT |
| AMLOT, Donald Richard RESIGNED | Director | | 02 Jun 2008 | | September 1933 | Heath Cottage West Common, Gerrards Cross, Buckinghamshire, SL9 7QN |
| ANDERSON, William Eric Kinloch, Sir RESIGNED | Director | 25 Jun 2007 | 16 Jan 2017 | England | May 1936 | The Homestead, Church Street, Kingham, Oxfordshire, OX76YA, U.K. |
| GILBERTSON, Christine Castelli RESIGNED | Director | 25 Apr 2000 | 31 Dec 2008 | | September 1933 | 39 Rutland Gate, London, SW7 1PD |
| LLOYD GEORGE, Robert John Daniel, Hon RESIGNED | Director | 26 Oct 2007 | 06 Jun 2017 | United Kingdom | August 1952 | 9 Saint Albans Grove, London, W8 5PN |
| PROUTEN, Leonard William RESIGNED | Director | | 30 Nov 1992 | | March 1917 | 4 Iverna Court, London, W8 6TY |
| SMITH, Christian Margaret, Lady RESIGNED | Director | | 16 Jan 2017 | United Kingdom | October 1927 | Shottesbrooke Park, Maidenhead, Berkshire, SL6 3SW |
| SMITH, John, Sir RESIGNED | Director | | 28 Feb 2007 | | April 1923 | Shottesbrooke Park, Maidenhead, Berkshire, SL6 3SW |
| SYKES, Richard Hugh RESIGNED | Director | 10 Sep 2007 | 28 Jun 2024 | England | April 1943 | Coltmans, Waltham St Lawrence, Berkshire, RG10 0JJ |
| WALDEGRAVE, William Arthur, The Rt Hon Lord Of North Hill RESIGNED | Director | 25 Jun 2014 | 28 Jun 2024 | United Kingdom | August 1946 | Provost's Lodge, Eton College, Windsor, Berkshire, SL4 6DH, England |