| HOLDEN, Peter John Pashley, Dr ACTIVE | Director | 25 Jun 2025 | | England | October 1955 | Tavistock Square, London, WC1H 9JP |
| MAJOR, Neeta ACTIVE | Director | 28 May 2022 | | England | March 1970 | Tavistock Square, London, WC1H 9JP |
| DOWSETT, Roger Henry RESIGNED | Secretary | 18 Jan 2002 | 01 Feb 2003 | | | 3 The Spinney, Warren Road, Purley, Surrey, CR8 1AB |
| HEATHER, Peter William RESIGNED | Secretary | | 18 Jan 2002 | | | Brook Bungalow, Northchapel, Petworth, West Sussex, GU28 9EN |
| LENART, Kim Rachel RESIGNED | Secretary | 27 Jun 2003 | 08 Aug 2003 | | | 11 Moylan Road, Hammersmith, London, W6 8QD |
| MCANULTY, Brent Edward RESIGNED | Secretary | 01 Feb 2003 | 27 Jun 2003 | | | 93 Delaware Mansions, Delaware Road, London, W9 2LJ |
| O'FLYNN, Matthew Joseph RESIGNED | Secretary | 08 Aug 2003 | 14 Aug 2008 | | | 148 Winchmore Hill Road, London, N21 1QP |
| OBHRAI, Ajay RESIGNED | Secretary | 30 Apr 2009 | 15 Mar 2019 | | | Tavistock Square, London, WC1H 9JP |
| APPLEYARD, William James, Dr RESIGNED | Director | 18 Jan 2002 | 18 Sep 2002 | | October 1935 | Thimble Hall Blean Common, Canterbury, Kent, CT2 9JJ |
| BOWN, Michael Ryan RESIGNED | Director | | 24 Mar 2000 | | July 1937 | Half Timbers Alleyns Lane, Cookham, Maidenhead, Berkshire, SL6 9AE |
| COYNE, Michael John RESIGNED | Director | | 18 Jan 2002 | | April 1943 | Ingleholme, The Rushes, Marlow, Buckinghamshire, SL7 2SZ |
| DEARDEN, Andrew Richard, Dr RESIGNED | Director | 02 Nov 2011 | 31 Oct 2018 | Wales | November 1962 | Tavistock Square, London, WC1H 9JP |
| GRINYER, Tom RESIGNED | Director | 10 Jul 2019 | 27 May 2022 | United Kingdom | July 1973 | Tavistock Square, London, WC1H 9JP |
| MELDRUM, Hamish Robin Peter, Dr RESIGNED | Director | 28 Jul 2010 | 28 Jun 2012 | United Kingdom | April 1948 | Tavistock Square, London, WC1H 9JP |
| PHIPPS, Belinda Clare RESIGNED | Director | 08 Aug 2018 | 31 Mar 2019 | England | April 1958 | Tavistock Square, London, WC1H 9JP |
| PICKERSGILL, David Eric, Dr RESIGNED | Director | 18 Sep 2002 | 30 Jun 2011 | United Kingdom | October 1946 | 18 Uplands Park, Sheringham, Norfolk, NR26 8NE |
| PICKERSGILL, Trevor Paul RESIGNED | Director | 10 Dec 2018 | 25 Jun 2025 | Wales | December 1967 | Tavistock Square, London, WC1H 9JP |
| RIDDELL, John Alistair, Doctor RESIGNED | Director | | 18 Feb 2000 | | February 1930 | 27 Upper Glenburn Road, Bearsden, Glasgow, G61 4BN |
| WARD, Keith David RESIGNED | Director | 02 Nov 2011 | 31 Jul 2018 | England | April 1960 | Tavistock Square, London, WC1H 9JP |
| WHITTINGHAM, Leigh Nattrass RESIGNED | Director | 31 Dec 1999 | 02 Nov 2011 | England | June 1951 | 101 Stradella Road, London, SE24 9HL |