| HENRY, Fraser ACTIVE | Secretary | 19 Jul 2007 | | | | Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, England |
| CAIN, Michael Roger ACTIVE | Director | 30 Oct 2023 | | 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 |
| INSLEY, James Christopher Paul ACTIVE | Director | 07 Jan 2026 | | United Kingdom | October 1974 | Riverstone Management Limited, Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| DRAKE, Jonathan Vaughan RESIGNED | Secretary | 30 Sep 1998 | 18 Dec 2002 | | | The Chestnut 33 Hollywell Close, Orpington, Kent, BR6 9XP |
| GARROD, Sarah Louise RESIGNED | Secretary | 15 Jan 2016 | 15 Jun 2020 | | | Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU |
| 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 | 08 Jul 1992 | 30 Sep 1998 | | | Garden Flat 1 33 Brondesbury Villas, Kilburn, London, NW6 6AH |
| CLYDE SECRETARIES LIMITED RESIGNED | Secretary | 24 Apr 1992 | 08 Jul 1992 | | | 51 Eastcheap, London, EC3M 1JP |
| BATOR, John Joseph RESIGNED | Director | 31 Dec 2002 | 31 Mar 2016 | United States Of America | June 1964 | Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, England |
| BENTLEY, Nicholas Craig RESIGNED | Director | 08 Jun 2000 | 23 Aug 2021 | United States | February 1960 | Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, England |
| COOK, Neil Lyndale RESIGNED | Director | 01 May 1995 | 22 May 1998 | | December 1955 | Flat 4, 22 Banks Road, Poole, Dorset, BH13 7QE |
| DEAN, Ian Hall RESIGNED | Director | 24 Apr 1992 | 28 Dec 1995 | | September 1944 | Lawn Cottage, 27 West Hill Avenue, Epsom, Surrey, KT19 8LE |
| EHRLICH, Charles Gordon RESIGNED | Director | 10 Sep 1999 | 08 May 2003 | | April 1949 | 61 Shore Road, Gilford, New Hampshire 03246, Usa |
| FORNESS, Robert Joseph RESIGNED | Director | 03 Nov 1997 | 03 Feb 2000 | | October 1965 | 68 Blackheath Park, Blackheath, London, SE3 0ET |
| GIBBS, Dennis Coyle RESIGNED | Director | 10 Sep 1999 | 30 Jun 2010 | | July 1952 | Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, England |
| GILLETT, William John RESIGNED | Director | 10 Sep 1999 | 09 Mar 2007 | | June 1958 | 128 Loudoun Road, London, NW8 0ND |
| HARRIS, Richard John RESIGNED | Director | 04 Jan 1996 | 30 Apr 2003 | | November 1961 | 35 Woodland Avenue, Hove, East Sussex, BN3 6BH |
| HEAD III, John C RESIGNED | Director | 08 Jul 1992 | 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 |
| KIMURA, Katsuya RESIGNED | Director | 26 Feb 1993 | 01 May 1995 | | June 1944 | 4-15-13 Seta, Setagaya-Ku, Tokyo, FOREIGN, Japan |
| KUZUHARA, Isao RESIGNED | Director | 08 Jul 1992 | 01 May 1995 | | July 1936 | 4-19-20 Nishi-Shiba Kamazawa-Ku, Yokohama City, Kanagawa Pref, Japan |
| OSBOURNE, David Francis RESIGNED | Director | 08 Jul 1992 | 01 May 1995 | | October 1937 | Mayflower Cottage, Lower Assendon, Henley On Thames, Oxfordshire, RG9 6AH |
| PHILO, Paul Gregory RESIGNED | Director | 13 Oct 1992 | 20 Aug 1997 | | June 1953 | Mashbury House, Mashbury, Chelmsford, Essex, CM1 4SF |
| POLLACK, Bruce Glenn RESIGNED | Director | 04 Dec 1992 | 01 May 1995 | | March 1959 | 525 East 72nd Street, Apt 33e, New York, Ny 10021, Usa |
| POLLACK, Lester RESIGNED | Director | 08 Jul 1992 | 01 May 1995 | | August 1933 | Polly Park Road, Rye, New York 10580, Usa |
| REGAN, Catherine Geraldine RESIGNED | Director | 09 Aug 2005 | 19 Jul 2007 | United Kingdom | January 1964 | 22 Keats Close, Horsham, West Sussex, RH12 5PL |
| SALSBERG, Eric Paul RESIGNED | Director | 09 Dec 1997 | 17 Dec 1997 | | January 1945 | 1 Carnwath Crescent, Willowdale, Ontario, M2p 1j4, Canada |
| SCHOKKING, Ronald RESIGNED | Director | 09 Dec 1997 | 17 Dec 1997 | | November 1953 | 38 Sycamore Drive, Thornhill, Ontario, L3T 5V6, Canada |
| STODDART, Michael Craig RESIGNED | Director | 08 Jul 1992 | 01 May 1995 | United Kingdom | March 1932 | Compton House, Kinver, Stourbridge, West Midlands, DY7 5LY |
| STRAIGHT, Candace Lee RESIGNED | Director | 08 Jul 1992 | 31 Dec 1993 | | October 1947 | 518 E Passaic Avenue, Bloomfield, New Jersey 07003, Usa |
| TANZER, Luke Robert RESIGNED | Director | 06 Sep 2008 | 05 Jan 2026 | England | November 1965 | Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, England |
| WANGARD, Jan Erik Hernfrid RESIGNED | Director | 16 Nov 1998 | 14 Apr 1999 | | October 1959 | Karlsholmsvagen 11, Taby 18377, Sweden, FOREIGN |
| WATSON, Michael Clive RESIGNED | Director | 01 May 1995 | 31 Mar 2000 | | June 1954 | Apartment B Clink Wharf, Clink Street, London, SE1 9DG |
| THE DAI-TOKYO FIRE AND MARINE INSURANCE COMPANY LIMITED RESIGNED | Director | 08 Jul 1992 | 26 Feb 1993 | | | 1-6 Nihonbashi 3-Chome, Chuo-Ku, Tokyo, FOREIGN, Japan |