| RIVERSTONE MANAGEMENT LIMITED ACTIVE | Secretary | 23 Jul 2026 | | | | Park Gate, 161-163 Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| CAIN, Michael Roger ACTIVE | Director | 08 Jan 2026 | | 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 | 12 Mar 2021 | | United Kingdom | June 1983 | Park Gate 161-163, Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| BUCKNELL, Zoe Claire RESIGNED | Secretary | 20 Dec 2002 | 31 Dec 2006 | | | Flat 1, 20 Collingham Gardens, London, SW5 0HL |
| BURGE, Julia Rose RESIGNED | Secretary | 09 Aug 2001 | 21 Oct 2001 | | | Walnut Tree Cottage, School Street, Stoke By Nayland, Suffolk, CO6 4QX |
| EWING, Neil Murdoch RESIGNED | Secretary | 01 Sep 2008 | 11 Dec 2020 | | | 2nd, Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| HERBERT, David Ian John RESIGNED | Secretary | | 22 Oct 1993 | | | 18 Leys Road, Cambridge, Cambridgeshire, CB4 2AT |
| HILSUM, John Barry RESIGNED | Secretary | 23 Sep 1994 | 11 Nov 1996 | | | The Lodge, Great Waldingfield, Sudbury, Suffolk, CO10 0TJ |
| HILSUM, John Barry RESIGNED | Secretary | 22 Oct 1993 | 09 Mar 1994 | | | The Lodge, Great Waldingfield, Sudbury, Suffolk, CO10 0TJ |
| JOHNSON, Nicholas Paul RESIGNED | Secretary | 11 Dec 2020 | 23 Jul 2026 | | | Park Gate 161-163, Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| PERDONI, Giuseppe RESIGNED | Secretary | 01 Jan 2007 | 17 Jul 2008 | | | The Old Coach House, 295 Waldegrave Road, Strawberry Hill, Twickenham, TW1 4SU |
| PERDONI, Giuseppe RESIGNED | Secretary | 22 Oct 2001 | 20 Dec 2002 | | | The Old Coach House, 295 Waldegrave Road, Strawberry Hill, Twickenham, TW1 4SU |
| PERDONI, Giuseppe RESIGNED | Secretary | 11 Nov 1996 | 09 Aug 2001 | | | The Old Coach House, 295 Waldegrave Road, Strawberry Hill, Twickenham, TW1 4SU |
| AMBRIDGE, Trevor John RESIGNED | Director | 20 Oct 2009 | 23 Aug 2021 | United Kingdom | May 1959 | 2nd, Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| BEVERIDGE, William Erskine RESIGNED | Director | 20 Sep 2013 | 31 Dec 2018 | England | April 1969 | 2nd, Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| BOHLING, Hugh Hovey RESIGNED | Director | 25 Jun 2010 | 28 Feb 2019 | England | August 1957 | 2nd, Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| CAUDLE, Brian Frank RESIGNED | Director | | 13 Dec 2006 | England | September 1935 | Walnut Cottage, Roundwood Avenue Hutton, Brentwood, Essex, CM13 2ND |
| CLOUTIER, Jean RESIGNED | Director | 25 Jul 2013 | 28 Feb 2019 | Canada | December 1963 | 2nd, Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| CRESSWELL, Peter William John RESIGNED | Director | 07 Apr 1999 | 22 Oct 2014 | England | May 1944 | 2nd, Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| DAVIDSON, Kenneth Muir RESIGNED | Director | 15 Aug 2001 | 30 Sep 2002 | United Kingdom | November 1948 | Cherith House, Little Easton, Great Dunmow, Essex, CM6 2ES |
| DOW, Harold Peter Bourner RESIGNED | Director | | 18 Dec 2000 | | April 1921 | Mustow House, Mustow Street, Bury St Edmunds, Suffolk, IP33 1XL |
| FINN, Richard George Maxwell RESIGNED | Director | 19 Nov 2007 | 23 Oct 2013 | United Kingdom | July 1945 | 2nd, Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| FITZGERALD, Nigel Patrick RESIGNED | Director | 01 Nov 2012 | 31 Dec 2018 | Australia | August 1977 | 2nd, Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| GREEN, Philip James RESIGNED | Director | 04 Oct 2006 | 19 Jan 2016 | England | July 1967 | 2nd, Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| HEWITT, Ian RESIGNED | Director | 01 Aug 2008 | 31 Mar 2021 | England | September 1962 | 2nd, Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| HILSUM, John Barry RESIGNED | Director | | 31 Oct 2001 | | September 1941 | The Lodge, Great Waldingfield, Sudbury, Suffolk, CO10 0TJ |
| HILSUM, John Barry RESIGNED | Director | | 11 Nov 1996 | | September 1941 | The Lodge, Great Waldingfield, Sudbury, Suffolk, CO10 0TJ |
| LEE, Simon Philip Guy RESIGNED | Director | 13 May 2015 | 28 Feb 2019 | England | March 1961 | 2nd, Floor, 2 Minster Court, London, EC3R 7BB |
| LESTER, Maurice Robert RESIGNED | Director | | 21 Jan 2001 | | May 1928 | Old Buckenham Hall, Old Buckenham, Attleborough, Norfolk, NR17 1PQ |
| LUMMIS, Duncan RESIGNED | Director | 22 Jul 2008 | 31 Dec 2013 | England | July 1964 | 2nd, Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| MIGLIRIONI, James Edward RESIGNED | Director | 01 Jan 2012 | 30 Sep 2013 | England | February 1952 | 2nd, Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| MURPHY, Clifford Edward RESIGNED | Director | 09 Aug 2001 | 31 May 2006 | United Kingdom | February 1959 | 8 Harts Grove, Woodford Green, Essex, IG8 0BN |
| PERDONI, Giuseppe RESIGNED | Director | 09 Aug 2001 | 17 Jul 2008 | England | November 1964 | The Old Coach House, 295 Waldegrave Road, Strawberry Hill, Twickenham, TW1 4SU |
| PEXTON, Richard Anthony RESIGNED | Director | | 14 Oct 1992 | | August 1958 | 21 Pickets Street, London, SW12 8QB |
| PRYKE, John William RESIGNED | Director | 07 Jun 1994 | 30 Sep 1996 | Uk | December 1933 | Ridgetop 188 Hanging Hill Lane, Hutton, Brentwood, Essex, CM13 2QH |
| ROWBOTHAM, Brian William RESIGNED | Director | 28 Apr 2003 | 25 May 2010 | England | May 1931 | 2nd, Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| SALTER, Raymond Muir RESIGNED | Director | 07 Apr 1999 | 02 May 2006 | | January 1934 | The Old Rectory, Cheriton, Alresford, Hampshire, SO24 0PZ |
| SMITH, Neil Roy Stuart RESIGNED | Director | 18 May 1993 | 20 Jul 2001 | | March 1963 | 6 Wisdoms Green, Coggeshall, Essex, CO6 1SG |
| SMITH, Nigel Hugh Hamilton RESIGNED | Director | 04 Jul 2014 | 28 Feb 2019 | England | July 1949 | 2nd, Floor, 2 Minster Court, London, EC3R 7BB |
| STOCKMAN, Darren John RESIGNED | Director | 22 Jul 2008 | 28 Mar 2013 | England | January 1967 | 2nd, Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| TANZER, Luke Robert RESIGNED | Director | 12 Mar 2021 | 05 Jan 2026 | England | November 1965 | Park Gate 161-163, Preston Road, Brighton, East Sussex, BN1 6AU, United Kingdom |
| THOMPSON, Keith Donald RESIGNED | Director | 01 Jul 1994 | 31 Aug 2011 | England | October 1957 | 2nd, Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| TOWERS, John Charles RESIGNED | Director | 16 Aug 2001 | 23 Oct 2013 | United Kingdom | March 1954 | 2nd, Floor, 2 Minster Court, London, EC3R 7BB, United Kingdom |
| TUNNICLIFFE, Lloyd RESIGNED | Director | 27 Sep 1999 | 04 Apr 2008 | United Kingdom | March 1960 | Gate Cottage Little London, Berden, Bishops Stortford, Hertfordshire, CM23 1BE |
| UPTON, Paul David RESIGNED | Director | 13 Sep 2001 | 30 Sep 2003 | | August 1960 | Ockley House, Ockley Lane, Keymer, West Sussex, BN6 8NY |