| JONES, Miriam ACTIVE | Secretary | 29 May 2025 | | | | Unit 5, Riverside Business Centre, Brighton Road, Shoreham-By-Sea, West Sussex, BN43 6RE, England |
| HINTON, Suzanne ACTIVE | Director | 24 Jun 2025 | | England | August 1946 | Unit 5, Riverside Business Centre, Brighton Road, Shoreham-By-Sea, West Sussex, BN43 6RE, England |
| JONES, Chris ACTIVE | Director | 29 May 2025 | | England | May 1965 | Unit 5, Riverside Business Centre, Brighton Road, Shoreham-By-Sea, West Sussex, BN43 6RE, England |
| PACKHAM, Henry ACTIVE | Director | 11 Sep 2025 | | England | July 2000 | Unit 5, Riverside Business Centre, Brighton Road, Shoreham-By-Sea, West Sussex, BN43 6RE, England |
| ZINOBER, Alan, Professor ACTIVE | Director | 14 Oct 2020 | | England | November 1947 | 48, Dore Road, Sheffield, S17 3NB, England |
| DESSAU, Katharine Mary RESIGNED | Secretary | | 31 Jul 1993 | | | Flat 3 Abbotts, Brighton, East Sussex, BN1 2FA |
| FORRESTER, Wendy Jacqueline RESIGNED | Secretary | 21 Aug 1993 | 17 Oct 1996 | | | Flat 12, 9a Portland Place, London, W1B 1PR |
| HINTON, Roger Thomas RESIGNED | Secretary | 25 Jan 2016 | 04 Mar 2024 | | | Room 18 Abbotts, 129 Kings Road, Brighton, BN1 2FA |
| MARKOVITCH, Corinne RESIGNED | Secretary | 21 Aug 1998 | 01 Dec 1998 | | | 4 Abbotts, 129 Kings Road, Brighton, Sussex, BN1 2FA |
| MCCLYMONT, Marion Frances Grace RESIGNED | Secretary | 02 Oct 2006 | 20 Jul 2012 | | | Room 18 Abbotts, 129 Kings Road, Brighton, BN1 2FA |
| PYGALL, Geoffrey Frederick RESIGNED | Secretary | 01 Dec 1998 | 02 Oct 2006 | | | 16 Abbotts, 129 Kings Road, Brighton, East Sussex, BN1 2FA |
| PYGALL, Geoffrey Frederick RESIGNED | Secretary | 05 Sep 1997 | 21 Aug 1998 | | | 16 Abbotts, 129 Kings Road, Brighton, East Sussex, BN1 2FA |
| TAPPIN, Traude RESIGNED | Secretary | 17 Oct 1996 | 05 Sep 1997 | | | 2 Abbotts, 129 Kings Road, Brighton, Sussex, BN1 2FA, England |
| ZINOBAR, Alan RESIGNED | Secretary | 24 Jun 2024 | 29 May 2025 | | | 28/29, Carlton Terrace, Portslade, Brighton, East Sussex, BN41 1UR, England |
| BAXENDELL, Stuart RESIGNED | Director | 26 Sep 2011 | 23 Aug 2012 | Great Britain | June 1962 | Room 18 Abbotts, 129 Kings Road, Brighton, BN1 2FA |
| BOULDEN, Frederick George RESIGNED | Director | 18 Aug 2000 | 09 Sep 2004 | | February 1938 | 8 Abbotts 129 Kings Road, Brighton, East Sussex, BN1 2FA |
| BOULDEN, Rosalind Frances RESIGNED | Director | 23 May 2017 | 12 Oct 2020 | England | January 1943 | Room 18 Abbotts, 129 Kings Road, Brighton, BN1 2FA |
| BOULDEN, Rosalind Frances RESIGNED | Director | 04 Oct 2010 | 09 Mar 2016 | England | January 1943 | Room 18 Abbotts, 129 Kings Road, Brighton, BN1 2FA |
| COLES, Lucy Elizabeth RESIGNED | Director | 09 Sep 1994 | 21 Aug 1998 | | August 1938 | 5 Abbotts, 129 Kings Road, Brighton, East Sussex, BN1 2FA |
| COPLEY, John Douglas RESIGNED | Director | 08 Nov 2022 | 22 Feb 2025 | Australia | February 1960 | 12 Abbotts, 129 Kings Road, Brighton, BN1 2FA, England |
| ECKSTEIN, Maria Margaretha RESIGNED | Director | 17 Oct 1996 | 31 Dec 1999 | | March 1927 | 3 Abbotts, 129 Kings Road, Brighton, Sussex, BN1 2FA |
| EZRA, Diana Simonetta RESIGNED | Director | 30 Oct 2017 | 16 Sep 2020 | England | April 1953 | Room 18 Abbotts, 129 Kings Road, Brighton, BN1 2FA |
| FARLEY, Graham Anthony RESIGNED | Director | 14 Mar 2022 | 04 Sep 2025 | United Kingdom | April 1948 | 28/29, Carlton Terrace, Portslade, Brighton, East Sussex, BN41 1UR, England |
| FORRESTER, Wendy Jacqueline RESIGNED | Director | 21 Aug 1993 | 17 Oct 1996 | | May 1933 | Flat 12, 9a Portland Place, London, W1B 1PR |
| GARMAN, Amanda RESIGNED | Director | 26 Nov 2004 | 28 Aug 2008 | | March 1970 | 1 Abbotts 129 Kings Road, Brighton, East Sussex, BN1 2FA |
| HINTON, Roger Thomas RESIGNED | Director | 25 Jan 2016 | 04 Nov 2022 | England | March 1947 | Room 18 Abbotts, 129 Kings Road, Brighton, BN1 2FA |
| HOLLAND, Anthony Mark RESIGNED | Director | 29 Nov 2022 | 19 Apr 2023 | England | December 1967 | 15 Abbotts, Kings Road, Brighton, BN1 2FA, England |
| HOLLAND, Michael John RESIGNED | Director | 26 Sep 2011 | 20 Apr 2017 | England | August 1947 | Room 18 Abbotts, 129 Kings Road, Brighton, BN1 2FA |
| MANNERING, Sam RESIGNED | Director | 21 Aug 1993 | 26 Aug 1996 | | January 1908 | 9 Abbotts, 129 Kings Road, Brighton, East Sussex, BN1 2FA |
| MCCLYMONT, Kenneth Alan RESIGNED | Director | 02 Oct 2006 | 08 Nov 2010 | England | February 1946 | 14 Abbotts, 129 Kings Road, Brighton, East Sussex, BN1 2FA |
| MCCLYMONT, Marion Frances Grace RESIGNED | Director | 02 Oct 2006 | 17 Mar 2022 | England | July 1950 | Room 18 Abbotts, 129 Kings Road, Brighton, BN1 2FA |
| PAGE, Margaret RESIGNED | Director | 21 Aug 1993 | 08 Jan 2005 | | January 1926 | 14 Abbotts 129 Kings Road, Brighton, Sussex, BN1 2FA |
| PAGE, Margaret RESIGNED | Director | | 10 Aug 1991 | | January 1926 | 14 Abbotts 129 Kings Road, Brighton, Sussex, BN1 2FA |
| PATEL, Aashish Navin RESIGNED | Director | 19 Oct 2007 | 10 Sep 2010 | England | November 1977 | Abbotts/15, 129 Kings Road, Brighton, East Sussex, BN1 2FA |
| PYGALL, Geoffrey Frederick RESIGNED | Director | 17 Oct 2009 | 31 Dec 2014 | England | October 1927 | Room 18 Abbotts, 129 Kings Road, Brighton, BN1 2FA |
| PYGALL, Geoffrey Frederick RESIGNED | Director | 17 Oct 1996 | 31 Dec 2014 | England | October 1927 | Room 18 Abbotts, 129 Kings Road, Brighton, BN1 2FA |
| PYGALL, Geoffrey Frederick RESIGNED | Director | | 31 Jul 1993 | England | October 1927 | 16 Abbotts, 129 Kings Road, Brighton, East Sussex, BN1 2FA |
| RATCLIFFE, John Derwentwater RESIGNED | Director | 21 Aug 1998 | 24 Jan 2003 | | June 1922 | 15 Abbots, 129 Kings Road, Brighton, East Sussex, BN1 2FA |
| RATCLIFFE, John Derwentwater RESIGNED | Director | | 31 Jul 1993 | | June 1922 | 15 Abbots, 129 Kings Road, Brighton, East Sussex, BN1 2FA |
| SMITH, Jonathan Harold RESIGNED | Director | 29 Aug 2003 | 08 Mar 2007 | | December 1957 | 12 Abbotts, 129 Kings Road, Brighton, East Sussex, BN1 2FA |
| TALBOT, Kenrick RESIGNED | Director | 21 Aug 1993 | 14 Jun 1994 | | March 1921 | Ie Oval Road, Regents Park Camden, London, NW1 7EA |
| THOMAS, Philip Nigel RESIGNED | Director | 19 Oct 2007 | 28 Oct 2011 | England | June 1948 | Abbotts/12, 129 Kings Road, Brighton, East Sussex, BN1 2FA, England |