| EGAN, Giles Edward ACTIVE | Secretary | 03 Jun 2024 | | | | 6 Royal Parade, Station Approach, Kew, Surrey, TW9 3QD, England |
| FURNESS, Carol Ann, Doctor ACTIVE | Director | 22 Nov 1995 | | United Kingdom | April 1958 | 6 Royal Parade, Station Approach, Kew, Surrey, TW9 3QD, England |
| RAYNE, Philip Kendal ACTIVE | Director | 29 Jun 2006 | | England | February 1957 | 6 Royal Parade, Station Approach, Kew, Surrey, TW9 3QD, England |
| SCHURER, Alexander Joseph ACTIVE | Director | 23 Apr 2025 | | England | September 1989 | 6 Royal Parade, Station Approach, Kew, Surrey, TW9 3QD, England |
| WILLIAMS, James Geoffrey Baring ACTIVE | Director | 29 Aug 2019 | | England | May 1948 | 6 Royal Parade, Station Approach, Kew, Surrey, TW9 3QD, England |
| CLUCAS, William Thomas RESIGNED | Secretary | 06 Jan 1998 | 20 Apr 2001 | | | 2 Old Stables, Hitcham Lane, Burnham, Buckinghamshire, SL1 7DP |
| CRESSWELL, Jacqueline Wilhelmina Lapsley RESIGNED | Secretary | 23 Nov 1994 | 01 Apr 1995 | | | 1 Celia Court, Holmesdale Road, Richmond, Surrey, TW9 3LA |
| FIELDING, Michael Sydney RESIGNED | Secretary | | 23 Nov 1994 | | | 7 The Avenue, Wraysbury, Staines, Middlesex, TW19 5EY |
| FURNESS, Carol Ann, Doctor RESIGNED | Secretary | 20 Apr 2001 | 03 Jun 2024 | | | 6 Celia Court, Holmesdale Road Kew, Richmond, Surrey, TW9 3LA |
| MELVILLE, Jean RESIGNED | Secretary | 08 May 1996 | 06 Jan 1998 | | | 9 Audley Close, Grange Park, Swindon, Wiltshire, SN5 6BT |
| BONE, Frances Winifred RESIGNED | Director | 29 Nov 2001 | 29 Jun 2006 | | November 1924 | Flat 1 Celia Court, Holmesdale Road, Richmond, Surrey, TW9 3LA |
| CARR, Julia Elizabeth Sandra RESIGNED | Director | 26 Nov 1997 | 11 Sep 2001 | | July 1958 | 5 Pagoda Avenue, Richmond, Surrey, TW9 2HQ |
| CLUCAS, William Thomas RESIGNED | Director | 22 Nov 1995 | 20 Apr 2001 | | April 1925 | 2 Old Stables, Hitcham Lane, Burnham, Buckinghamshire, SL1 7DP |
| CRESSWELL, David RESIGNED | Director | 22 Nov 1995 | 12 Jan 1998 | | February 1939 | 1 Celia Court, Holmesdale Road, Kew, Surrey, TW9 3LA |
| CURTIN, Reginald John RESIGNED | Director | 22 Nov 1995 | 27 Oct 2008 | | January 1907 | 3 Celia Court, Holmesdale Road Kew, Richmond, Surrey, TW9 3LA |
| DERRY, Marton RESIGNED | Director | | 12 Jun 1997 | | July 1910 | 4 Celia Court, Richmond, Surrey, TW9 3LA |
| MELVILLE, Jean RESIGNED | Director | 11 Nov 1999 | 25 Jun 2019 | United Kingdom | June 1928 | 9 Audley Close, Grange Park, Swindon, Wiltshire, SN5 6BT |
| MELVILLE, Jean RESIGNED | Director | | 31 Oct 1998 | | June 1928 | 11 Celia Court, Richmond, Surrey, TW9 3LA |
| MOORE, Elizabeth Irene RESIGNED | Director | | 14 Jul 2014 | | January 1924 | 8 Celia Court, Richmond, Surrey, TW9 3LA |
| PARRY, Jack Morris RESIGNED | Director | | 31 Jan 1993 | | January 1909 | 1 Celia Court, Richmond, Surrey, TW9 3LA |
| ROGERS, Frances Betha RESIGNED | Director | | 21 May 1997 | | August 1909 | 9 Celia Court, Richmond, Surrey, TW9 3LA |
| SNOBEL, Francoise RESIGNED | Director | 01 Jul 2021 | 08 Apr 2022 | England | May 1979 | 11, Celia Court, Holmesdale Road, Richmond, TW9 3LA, England |
| THOMAS, Lancelot, Professor RESIGNED | Director | 12 Nov 2008 | 10 Nov 2009 | | August 1930 | 4 Celia Court, Holmesdale Road, Kew, Richmond, Surrey, TW9 3LA |
| WEST, Yvonne Mary RESIGNED | Director | | 22 Aug 1995 | | November 1926 | Celia Crt, Holmesdale Road Kew, Richmond, Surrey, TW9 3LA |
| WILLIAMS, James Geoffrey Baring RESIGNED | Director | 28 Nov 2002 | 27 Jul 2009 | England | May 1948 | 28 The Avenue, Kew Gardens, Richmond, Surrey, TW9 2AJ |