| CAVANAGH, Claire ACTIVE | Secretary | 12 Feb 2026 | | | | Roundhouse, 212 Regent's Park Road, London, NW1 8AW |
| KONGOS, John Theodore ACTIVE | Director | | | United States | September 1945 | Roundhouse, 212 Regent's Park Road, London, NW1 8AW, England |
| KONGOS, Shelley Marie ACTIVE | Director | | | United States | August 1957 | Roundhouse, 212 Regent's Park Road, London, NW1 8AW, England |
| PLATZ, Rachel Eve ACTIVE | Director | 01 Jun 2002 | | United Kingdom | March 1961 | Roundhouse, 212 Regent's Park Road, London, NW1 8AW, England |
| PLATZ, Simon Howard ACTIVE | Director | 28 May 1993 | | United Kingdom | November 1957 | Roundhouse, 212 Regent's Park Road, London, NW1 8AW, England |
| ATTWOOD, John David RESIGNED | Secretary | 19 Dec 1991 | 10 Nov 2016 | | | Roundhouse, 212 Regent's Park Road, London, NW1 8AW, England |
| ATTWOOD, Michael James RESIGNED | Secretary | 10 Nov 2016 | 12 Feb 2026 | | | Roundhouse, 212 Regent's Park Road, London, NW1 8AW |
| BEXLEY, John William RESIGNED | Secretary | | 19 Dec 1991 | | | 43 Wilmington Close, Hassocks, West Sussex, BN6 8QB |
| PLATZ, David Aron RESIGNED | Director | | 20 May 1994 | | January 1929 | 4 Queens Mews, London, W2 4BZ |
| RICHMOND, Howard Spencer RESIGNED | Director | | 28 May 1993 | | January 1918 | 37-115 Carolyn Court, Rancho Mirage, California, CA 92270, Usa |