| GULBEKIAN, Sevak Edward ACTIVE | Secretary | 17 May 1993 | | | | Russet, Sandy Lane, West Hoathly, West Sussex, RH19 4QQ |
| FULLER, Michael John ACTIVE | Director | 30 Oct 2010 | | United Kingdom | March 1962 | Hillside House, The Square, Forest Row, East Sussex, RH18 5ES |
| JONAS, Margaret Violet ACTIVE | Director | 21 Apr 2022 | | England | September 1944 | Hillside House, The Square, Forest Row, East Sussex, RH18 5ES |
| SMITH, Jeremy David ACTIVE | Director | 21 Apr 2022 | | England | January 1951 | Hillside House, The Square, Forest Row, East Sussex, RH18 5ES |
| VAN DIJK, Gerardus Petrus ACTIVE | Director | 04 Feb 2025 | | England | June 1948 | Hillside House, The Square, Forest Row, East Sussex, RH18 5ES |
| MARTYN, Charles Philip RESIGNED | Secretary | 17 May 1993 | 14 May 1993 | | | 39 Chester Road, Wimbledon, London, SW19 4TS |
| COURTENAY, Jacqueline Frances RESIGNED | Director | 21 May 2018 | 04 Feb 2025 | United Kingdom | July 1964 | Rainbow Cottage, Priory Road, Forest Row, RH18 5HS, England |
| DAMERELL, Anne RESIGNED | Director | 17 Apr 1999 | 30 Oct 2010 | England | July 1966 | Amberly, Chapel Lane, Forest Row, East Sussex, RH18 5BS |
| GOODWIN, Pearl RESIGNED | Director | 01 Oct 2009 | 21 May 2018 | United Kingdom | September 1937 | Hillside House, The Square, Forest Row, East Sussex, RH18 5ES |
| JACOBS-BROWN, Anthony Roy RESIGNED | Director | 14 May 1993 | 01 Oct 1997 | | August 1954 | 23 Freshfield Bank, Forest Row, West Sussex, RH18 5HQ |
| LAMONT, Gilbert Carslake RESIGNED | Director | 14 May 1993 | 01 May 1997 | | December 1911 | 22 Pebbleford Road, Kettering, Northamptonshire, NN15 6QE |
| LANGSTON, Paul Anthony RESIGNED | Director | 14 May 1993 | 01 Oct 2009 | England | November 1955 | 6 Arthur Avenue, Stapleford, Nottingham, Nottinghamshire, NG9 8BA |
| MARTYN, Charles Philip RESIGNED | Director | 17 May 1993 | 26 May 2021 | United Kingdom | July 1948 | 333 Ben Johnson House, Barbican, London, EC2Y 8NQ |
| MASTERS, Richard RESIGNED | Director | 07 Jun 2013 | 21 Apr 2022 | England | February 1964 | Hillside House, The Square, Forest Row, East Sussex, RH18 5ES |
| PANKHURST, Helen Astrid Dorothea RESIGNED | Director | 17 May 1993 | 14 Jun 1993 | | October 1960 | 59 Cambridge Gardens, London, N10 2LN |
| PAULI, Roger Hamer RESIGNED | Director | 14 May 1993 | 03 Sep 2012 | England | October 1950 | Stourton Farm House, Greensforge Lane, Stourbridge, West Midlands, DY7 5BD |