| BONFIGLIOLI, Andre Albert ACTIVE | Director | 01 Jun 2017 | | England | December 1960 | St Lukes House, 270 Sandycombe Road, Kew Gardens Richmond, Surrey, TW9 3NP |
| KIRKBRIDE, Ann Veronica, Dr ACTIVE | Director | 29 Mar 2004 | | United Kingdom | April 1933 | 18 Pensford Avenue, Richmond, Surrey, TW9 4HP |
| LLOYD-LAWRENCE, Adrian Hugh, Dr ACTIVE | Director | 25 Mar 2013 | | England | April 1942 | Kew Studio St Luke's House, 270 Sandycombe Road, Richmond, Surrey, TW9 3NP, England |
| LLOYD-LAWRENCE, Catherine Elizabeth ACTIVE | Director | 26 Mar 2001 | | England | September 1947 | Kew Studio St Luke's House, 270 Sandycombe Road, Richmond, Surrey, TW9 3NP, England |
| SCURLOCK, Mary ACTIVE | Director | 01 Jul 2015 | | England | June 1956 | St Luke's House, 270 Sandycombe Road, Richmond, TW9 3NP, England |
| SPEIRS, Ruth ACTIVE | Director | 27 Mar 2000 | | United Kingdom | July 1947 | 27 Victoria Cottages, Sandycombe Road, Richmond, Surrey, TW9 3NW |
| CASTLE, Sarah Margaret RESIGNED | Secretary | 16 Apr 1992 | 19 May 1997 | | | 97 Gainsborough Road, Richmond, Surrey, TW9 2ET |
| LLOYD-LAWRENCE, Adrian, Dr RESIGNED | Secretary | 19 May 1997 | 27 Apr 2017 | | | 19, Otho Court, Augustus Close, Brentford, Middlesex, TW8 8PX, England |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Secretary | 16 Apr 1992 | 16 Apr 1992 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |
| ABERCROMBIE, John Deryck RESIGNED | Director | 14 Dec 1994 | 26 Mar 2001 | | July 1927 | 36 West Park Avenue, Kew, Richmond, Surrey, TW9 4AL |
| AGGARWAL, Urvashi Vijayalaxmi Preety RESIGNED | Director | 29 Mar 2004 | 17 Jun 2008 | England | February 1966 | 31 Cambridge Crescent, Teddington, Middlesex, TW11 8DX |
| BAILEY, Caroline Mary RESIGNED | Director | 16 Apr 1992 | 14 Dec 1994 | | September 1938 | Flat J Riverside House, Water Lane, Richmond, Surrey, TW9 1TJ |
| BLOMFIELD, David Guy RESIGNED | Director | 14 Dec 1994 | 29 Mar 2004 | England | July 1934 | 7 Leyborne Park, Kew, Richmond, Surrey, TW9 3HB |
| BOSTOCK, Edward RESIGNED | Director | 14 Dec 1994 | 27 Jan 1996 | | August 1908 | 94 Richmond Hill, Richmond, Surrey, TW10 6RJ |
| BROWN, Robert Simon RESIGNED | Director | 02 Nov 1994 | 14 Dec 1994 | | March 1960 | 143 York Road, Woking, Surrey, GU22 7XS |
| CASTLE, Geoffrey Ellis Trevor RESIGNED | Director | 26 Mar 2001 | 29 Mar 2004 | | August 1936 | 97 Gainsborough Road, Richmond, Surrey, TW9 2ET |
| CASTLE, Sarah Margaret RESIGNED | Director | 17 Mar 1997 | 29 Mar 2004 | | March 1939 | 97 Gainsborough Road, Richmond, Surrey, TW9 2ET |
| CASTLE, Sarah Margaret RESIGNED | Director | 16 Apr 1992 | 14 Dec 1994 | | March 1939 | 39 Ennerdale Road, Kew, Richmond, Surrey, TW9 3PE |
| CROWLEY, Margaret Clara Richmond RESIGNED | Director | 22 Jan 1996 | 02 Jun 2003 | | April 1926 | 9 Holmesdale Road, Kew, Richmond, Surrey, TW9 3JZ |
| DARKINS, Marie Joy RESIGNED | Director | 29 Mar 2004 | 18 Apr 2005 | | May 1947 | 2 London House, Ewelme, Wallingford, Oxfordshire, OX10 6HT |
| DIXON, Giles Clifford RESIGNED | Director | 04 Nov 2008 | 25 Mar 2013 | United Kingdom | October 1942 | 65 Kew Green, Richmond Upon Thames, Surrey, TW9 3AH |
| ENTHOVEN, Harriet Mary RESIGNED | Director | 04 Nov 2008 | 25 May 2010 | United Kingdom | July 1947 | 21, Pensford Avenue, Richmond, Surrey, TW9 4HR |
| GRAVES, Marilyn RESIGNED | Director | 02 Nov 1994 | 14 Dec 1994 | | August 1953 | 177 Chiswick Village, Chiswick, London, W4 3DG |
| HARRISON, Penelope Susan RESIGNED | Director | 14 Dec 1994 | 17 Jun 2008 | | August 1947 | 27 Third Cross Road, Twickenham, Middlesex, TW2 5DY |
| HILL, Caroline Helen Maude RESIGNED | Director | 04 Nov 2008 | 01 Jan 2025 | England | February 1951 | 48, Beaumont Avenue, Richmond, Surrey, TW9 2HE, United Kingdom |
| HIRD, Alison RESIGNED | Director | 27 Jan 2022 | 01 Dec 2022 | England | July 1975 | St Lukes House, 270 Sandycombe Road, Kew Gardens Richmond, Surrey, TW9 3NP |
| HUNKIN, Frances Elizabeth Holmes (Sally) RESIGNED | Director | 16 Apr 1992 | 14 Dec 1994 | | June 1924 | 31 Leyborne Park, Kew, Richmond, Surrey, TW9 3HB |
| HUNKIN, Sally RESIGNED | Director | 27 Mar 2000 | 25 Mar 2013 | United Kingdom | June 1924 | 31 Leyborne Park, Richmond, Surrey, TW9 3HB |
| JACHEC, Nancy, Dr RESIGNED | Director | 17 Jan 2011 | 26 Mar 2014 | United Kingdom | August 1963 | St. Luke's House, 270 Sandycombe Road, Richmond, Surrey, TW9 3NP, England |
| KIRKPATRICK, Susan Ann Frances RESIGNED | Director | 30 Mar 2015 | 18 Mar 2024 | England | September 1940 | 270, Sandycombe Road, Richmond, Surrey, TW9 3NP, England |
| LLOYD-LAWRENCE, Catherine Elizabeth RESIGNED | Director | 16 Apr 1992 | 14 Dec 1994 | United Kingdom | September 1947 | 19 Kew Gardens Road, Richmond, Surrey, TW9 3HD |
| MOWBRAY, Patricia Cargill RESIGNED | Director | 14 Dec 1994 | 27 Mar 2000 | | November 1920 | 254 Sandycombe Road, Richmond, Surrey, TW9 3NP |
| SCURLOCK, Mary RESIGNED | Director | 01 Jul 2015 | 27 Apr 2017 | England | January 1970 | St Lukes House, 270 Sandycombe Road, Kew Gardens Richmond, Surrey, TW9 3NP |
| SYMONS, Lorna RESIGNED | Director | 31 Mar 2003 | 06 Jan 2014 | United Kingdom | February 1944 | 26 Kew Gardens Road, Richmond, Surrey, TW9 3HD |
| COMBINED NOMINEES LIMITED RESIGNED | Nominee Director | 16 Apr 1992 | 16 Apr 1992 | | | Victoria House, 64 Paul Street, London, EC2A 4NA |
| COMBINED SECRETARIAL SERVICES LIMITED RESIGNED | Nominee Director | 16 Apr 1992 | 16 Apr 1992 | | | Victoria House, 64 Paul Street, London, EC2A 4NG |