| HANDLEY, Alexander ACTIVE | Secretary | 04 Sep 2026 | | | | Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| BANNISTER, Mark Julian ACTIVE | Director | 09 Mar 2011 | | United Kingdom | June 1970 | Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| CAIN, Michael Roger ACTIVE | Director | 13 Oct 2022 | | United Kingdom | March 1972 | Riverstone Managment Limited, Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| CREED, Andrew Robert ACTIVE | Director | 14 Mar 2019 | | England | June 1983 | Park Gate 161-163, Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| HENRY, Fraser ACTIVE | Director | 15 Nov 2012 | | United Kingdom | June 1966 | Park Gate 161-163, Preston Road, Brighton, Sussex, BN1 6AU, United Kingdom |
| KIMBELL, Megan Louise ACTIVE | Director | 22 Sep 2023 | | England | March 1973 | Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| PRITCHARD, Charlotte Kay ACTIVE | Director | 06 Apr 2021 | | United Kingdom | March 1986 | Park Gate 161-163, Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| ROBERTS, Stephen Charles ACTIVE | Director | 15 Nov 2012 | | United Kingdom | June 1965 | Park Gate 161-163, Preston Road, Brighton, Sussex, BN1 6AU, United Kingdom |
| TAYLOR, Neil Stuart ACTIVE | Director | 30 Nov 2021 | | United Kingdom | October 1974 | 161-163, Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| CLARKE, Jeanette Mary RESIGNED | Secretary | 25 Jul 1991 | 31 Jul 1998 | | | 23 Willowfield, Harlow, Essex, CM18 6RR |
| DRAKE, Jonathan Vaughan RESIGNED | Secretary | 31 Jul 1998 | 18 Dec 2002 | | | The Chestnut 33 Hollywell Close, Orpington, Kent, BR6 9XP |
| GARROD, Sarah Louise RESIGNED | Secretary | 25 Jan 2016 | 15 Jun 2020 | | | Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU |
| HENRY, Fraser RESIGNED | Secretary | 19 Jul 2007 | 04 Sep 2026 | | | Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, England |
| MOULE, Frances Louise RESIGNED | Secretary | 16 Dec 2003 | 30 Oct 2006 | | | Lanterns 2b York Road, Chingford, London, E4 8QN |
| REGAN, Catherine Geraldine RESIGNED | Secretary | 04 Nov 2002 | 19 Jul 2007 | | | 22 Keats Close, Horsham, West Sussex, RH12 5PL |
| WALSH, Patrick Keiran RESIGNED | Secretary | | 15 Sep 1994 | | | Garden Flat 1 33 Brondesbury Villas, Kilburn, London, NW6 6AH |
| ADACHI, Kazunori RESIGNED | Director | 14 Apr 1994 | 20 Mar 1998 | | March 1956 | 6 Meadowbank, Primrose Hill Road, London, NW3 3AY |
| AHMED, Muhammad Amer, Mr. RESIGNED | Director | 01 Jun 1998 | 06 Apr 2000 | England | July 1967 | 21 Hayes Way, Beckenham, Kent, BR3 6RJ |
| BARNETT, Richard Nicholas RESIGNED | Director | 26 Mar 2003 | 22 Jun 2007 | United Kingdom | April 1962 | 106 Frithville Gardens, London, W12 7JW |
| BATOR, John Joseph RESIGNED | Director | 31 Dec 2002 | 01 Oct 2008 | United States Of America | June 1964 | 74 Colonel Daniels Drive, Bedford, New Hampshire, Usa |
| BENTLEY, Nicholas Craig RESIGNED | Director | 01 Jun 1998 | 22 May 2020 | United States | February 1960 | Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, England |
| BLOXHAM, Jeremy Nicholas RESIGNED | Director | | 26 Aug 1999 | United Kingdom | May 1954 | 8, Lyndhurst Drive, Harpenden, Hertfordshire, AL5 5QN |
| BROAD, Victor William RESIGNED | Director | 01 May 1996 | 18 Aug 1998 | Uk | February 1941 | 2 Oaklands Way, Tadworth, Surrey, KT20 5SW |
| CARVER, Richard Norman RESIGNED | Director | 01 Oct 1995 | 22 Jun 1999 | | May 1965 | 10 Reed Pond Walk, Romford, Essex, RM2 5PB |
| COHEN, Andrew Trevor RESIGNED | Director | 01 Jun 1998 | 30 Apr 2000 | England | January 1954 | 10 Gurney Drive, London, N2 0DG |
| COOK, Neil Lyndale RESIGNED | Director | 23 Jan 1997 | 22 May 1998 | | December 1955 | Flat 4, 22 Banks Road, Poole, Dorset, BH13 7QE |
| DEAN, Ian Hall RESIGNED | Director | | 28 Dec 1995 | | September 1944 | Lawn Cottage, 27 West Hill Avenue, Epsom, Surrey, KT19 8LE |
| DUNCAN, Frederick RESIGNED | Director | 01 Jan 1993 | 03 Oct 1997 | | August 1948 | 72a The Droveway, Hove, East Sussex, BN3 6PR |
| EHRLICH, Charles Gordon RESIGNED | Director | 27 Nov 2003 | 02 Aug 2005 | | April 1949 | 2 Fair Oaks Drive, Amherst, New Hampshire 03031, FOREIGN, United States |
| EHRLICH, Charles Gordon RESIGNED | Director | 10 Sep 1999 | 08 May 2003 | | April 1949 | 61 Shore Road, Gilford, New Hampshire 03246, Usa |
| FEARON, Ashley RESIGNED | Director | 01 Jun 1998 | 31 Dec 2006 | | October 1955 | Claytiles, Bostal Road, Steyning, West Sussex, BN44 3PD |
| FORNESS, Robert Joseph RESIGNED | Director | 01 May 1996 | 03 Feb 2000 | | October 1965 | 68 Blackheath Park, Blackheath, London, SE3 0ET |
| GIBBS, Dennis Coyle RESIGNED | Director | 10 Sep 1999 | 02 Aug 2005 | | July 1952 | 14 Dunlap Drive, Bedford, New Hampshire, 03110, America |
| GILBERT, Susan Rose RESIGNED | Director | | 28 Aug 1992 | | July 1949 | Lawn Cottage 27 West Hill Avenue, Epsom, Surrey, KT19 8LE |
| GILLETT, William John RESIGNED | Director | 09 Mar 2007 | 05 Sep 2007 | | June 1958 | 128 Loudoun Road, London, NW8 0ND |
| GILLETT, William John RESIGNED | Director | 10 Sep 1999 | 09 Mar 2007 | | June 1958 | 128 Loudoun Road, London, NW8 0ND |
| GRAY, Richard William RESIGNED | Director | | 31 Aug 1999 | | September 1943 | The Mews, 4 Harbour Road Pg 01, Paget Bermuda, FOREIGN |
| HARRIS, Richard John RESIGNED | Director | 01 Oct 1995 | 30 Apr 2003 | | November 1961 | 35 Woodland Avenue, Hove, East Sussex, BN3 6BH |
| HEAD III, John C RESIGNED | Director | 01 Jan 1993 | 31 Dec 1993 | | April 1948 | 67 Riverside Drive, New York, Usa, FOREIGN |
| HEMSLEY, Lorna Ann RESIGNED | Director | 22 Sep 2008 | 14 Mar 2019 | England | January 1967 | Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, England |
| HEWITT, Ian Malcolm RESIGNED | Director | 14 Mar 2019 | 31 Mar 2021 | United Kingdom | September 1962 | Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| JORDAN, David Andrew RESIGNED | Director | 01 Jun 1998 | 27 Aug 1999 | | December 1961 | 69 Southern Drive, Loughton, Essex, IG10 3BX |
| KING, Thomas Rupert RESIGNED | Director | 01 Jan 1993 | 19 Dec 1996 | | June 1963 | 37 Cromwell Grove, London, W6 7AQ |
| KISHIMOTO, Hiroshi RESIGNED | Director | 01 Jan 1993 | 16 Mar 1994 | | October 1946 | 6 Meadowbank, Primrose Hill Road, London, NW3 3AY |
| LLAMBIAS, John Richard RESIGNED | Director | | 29 Sep 1993 | | January 1942 | 15 West Park Lane, Goring By Sea, Worthing, West Sussex, BN12 4EP |
| LONG, David Christopher RESIGNED | Director | | 27 Aug 1999 | | May 1957 | Wishing Well, 12 Nantucket Lane, Smiths Parish, Fl 05, Bermuda |
| MARKS, Roger Clifford RESIGNED | Director | | 01 May 1996 | | July 1948 | The Yews, 64 Bentfield Road, Stansted, Essex, CM24 8HP |
| MATHER, Michael RESIGNED | Director | 12 Mar 1998 | 27 Aug 1999 | | October 1952 | 4 Waterside Point, Anhalt Road, London, W11 |
| OSBOURNE, David Francis RESIGNED | Director | 01 Jan 1993 | 19 Dec 1996 | | October 1937 | Mayflower Cottage, Lower Assendon, Henley On Thames, Oxfordshire, RG9 6AH |
| PHILO, Paul Gregory RESIGNED | Director | | 20 Aug 1997 | | June 1953 | Mashbury House, Mashbury, Chelmsford, Essex, CM1 4SF |
| READ, Martin James RESIGNED | Director | | 31 Dec 1995 | | May 1942 | 25 Upper Brighton Road, Worthing, West Sussex, BN14 9HY |
| REGAN, Catherine Geraldine RESIGNED | Director | 15 Apr 2003 | 19 Jul 2007 | United Kingdom | January 1964 | 22 Keats Close, Horsham, West Sussex, RH12 5PL |
| SHANKS, Geoffrey David Lorimer RESIGNED | Director | 02 Aug 2005 | 31 Dec 2006 | England | March 1954 | 247 Preston Road, Brighton, BN1 6SE |
| TANNETT, Terence Robert RESIGNED | Director | 01 Jun 1998 | 30 Nov 2001 | United Kingdom | May 1953 | Spellbank 2 Wood Drive, Sevenoaks, Kent, TN13 2NL |
| TANZER, Luke Robert RESIGNED | Director | 26 Mar 2003 | 05 Jan 2026 | England | November 1965 | Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, England |
| TILLEY, Antony Charles RESIGNED | Director | 09 Mar 2011 | 31 Mar 2021 | England | October 1965 | Park Gate 161-163, Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| TOPPLE, Christopher Robert RESIGNED | Director | 01 May 1996 | 18 Nov 1996 | | December 1956 | The Georgian House, 21 Blanford Road, Reigate, Surrey, RH2 7DP |
| WANGARD, Jan Erik Hernfrid RESIGNED | Director | 16 Nov 1998 | 14 Apr 1999 | | October 1959 | Karlsholmsvagen 11, Taby 18377, Sweden, FOREIGN |
| WARREN, Robert David RESIGNED | Director | 14 May 2003 | 02 Aug 2005 | | October 1947 | 36 Darby Lane, Bedford, New Hampshire 03110, FOREIGN, Usa |
| WATSON, Michael Clive RESIGNED | Director | 26 Jan 1995 | 31 Mar 2000 | | June 1954 | Apartment B Clink Wharf, Clink Street, London, SE1 9DG |
| WILSON, Nigel Gordon RESIGNED | Director | 16 Nov 1998 | 31 Aug 1999 | United Kingdom | April 1953 | 39 Ripplevale Grove, London, N1 1HS |
| YOKOI, Michitoki RESIGNED | Director | 01 Jun 1998 | 14 Apr 2000 | | December 1957 | 6 Meadowbank, Primrose Hill Road, London, NW3 3AY |