| HAYLER, Jacob Pao ACTIVE | Secretary | 14 Dec 2014 | | | | 158, Buckingham Palace Road, London, SW1W 9TR, England |
| BRADSHAW, Kevin Michael ACTIVE | Director | 01 Nov 2021 | | England | February 1969 | 158, Buckingham Palace Road, London, SW1W 9TR, England |
| BROOKE, Richard Michael ACTIVE | Director | 14 Mar 2026 | | England | September 1968 | 158, Buckingham Palace Road, London, SW1W 9TR, England |
| GRUNDON, Neil Norman ACTIVE | Director | 21 Nov 2014 | | England | August 1969 | Grundon Waste Management, Lakeside Industrial Estate, Colnbrook By Pass, Colnbrook, Slough, SL3 0EG, England |
| HILL, Mike ACTIVE | Director | 31 Dec 2018 | | England | March 1968 | 158, Buckingham Palace Road, London, SW1W 9TR, England |
| LONGDON, Steven John ACTIVE | Director | 01 Jun 2024 | | England | May 1966 | 158, Buckingham Palace Road, London, SW1W 9TR, England |
| MAUDSLEY, Mike ACTIVE | Director | 14 Oct 2022 | | England | March 1968 | 158, Buckingham Palace Road, London, SW1W 9TR, England |
| PHILLIPS, Helen Mary, Dr ACTIVE | Director | 14 Mar 2026 | | England | May 1966 | 158, Buckingham Palace Road, London, SW1W 9TR, England |
| SCANLON, John James, Mr. ACTIVE | Director | 31 Jan 2020 | | England | November 1969 | 158, Buckingham Palace Road, London, SW1W 9TR, England |
| SUTHERLAND, Douglas Iain ACTIVE | Director | 10 Jun 2019 | | United Kingdom | March 1965 | 158, Buckingham Palace Road, London, SW1W 9TR, England |
| SWAN, Bill ACTIVE | Director | 14 Mar 2026 | | England | June 1966 | 158, Buckingham Palace Road, London, SW1W 9TR, England |
| TOPHAM, Michael Robert Mason ACTIVE | Director | 31 Dec 2018 | | United Kingdom | November 1972 | 158, Buckingham Palace Road, London, SW1W 9TR, England |
| BURY, Keith RESIGNED | Secretary | | 04 Dec 1995 | | | Threeways The Avenue, Hale, Altrincham, Cheshire, WA15 0LX |
| DENNIS, Barry Edward RESIGNED | Secretary | 04 Dec 1995 | 15 Dec 2014 | | | Hope Cottage 73 Mostyn Road, Merton Park, London, SW19 3LW |
| ADAMS, Terence Charles RESIGNED | Director | 22 Nov 1995 | 19 Nov 1998 | England | October 1939 | Greendale House, Clyst St Mary, Exeter, Devon, EX5 1AW |
| ANCELL, James Ross RESIGNED | Director | 19 Nov 1998 | 27 Nov 2003 | | August 1953 | 21 Shaplands, Stoke Bishop, Bristol, Avon, BS9 1AY |
| ARMSTRONG, Robert Peter Leonard RESIGNED | Director | 19 Nov 1998 | 23 Nov 2001 | England | December 1948 | 2 Newcastle Circus, The Park, Nottingham, Nottinghamshire, NG7 1BJ |
| ARMSTRONG, Robert Peter Leonard RESIGNED | Director | | 23 Nov 1994 | England | December 1948 | 2 Newcastle Circus, The Park, Nottingham, Nottinghamshire, NG7 1BJ |
| AVERILL, Michael Charles Edward RESIGNED | Director | 22 Nov 1995 | 30 Sep 2007 | United Kingdom | May 1951 | Little Meadow Upton Road, Dinton, Aylesbury, Buckinghamshire, HP17 8UQ |
| BAKER, Leslie Essler RESIGNED | Director | | 22 Nov 1995 | | September 1946 | Silvercroft, Godshill Wood, Fordingbridge, Hampshire, SP6 2LR |
| BARLOW, Andrew Richard RESIGNED | Director | | 19 Nov 1998 | | January 1941 | Badgers Bend Bagshot Road, Chobham, Woking, Surrey, GU24 8SJ |
| BARNES, John Tindle RESIGNED | Director | | 22 Nov 1995 | United Kingdom | December 1942 | The Granary, Belle Vue Villa, Belle Vue Lane, East Boldon, Tyne And Wear, NE36 0AN |
| BARRIE, Henry John RESIGNED | Director | 19 Nov 1998 | 18 Nov 1999 | United Kingdom | April 1941 | 26 Rosemount, Durham, DH1 5GA |
| BEADLE, David Thomas RESIGNED | Director | 18 Nov 1999 | 22 Oct 2009 | England | January 1953 | 6 Churston House, Churston Close, Bracondale, Norwich, Norfolk, NR1 2BD |
| BENJAFIELD, Douglas William RESIGNED | Director | 29 Jun 2001 | 30 Sep 2004 | England | January 1944 | Sunningdale Fambridge Road, Althorne, Chelmsford, Essex, CM3 6DB |
| BETTINGTON, Martin John RESIGNED | Director | | 31 Mar 2008 | | August 1952 | 93 Sherbourne Court, 180/186 Cromwell Road, London, SW5 0SU |
| BIFFA, Richard Charles RESIGNED | Director | | 22 Nov 1995 | United Kingdom | December 1939 | Summerhill Park, Harpsden Wood Henley, Marlow, Buckinghamshire, RG9 2AE |
| BOWDEN, Shaun Michael Peter RESIGNED | Director | 23 Nov 1994 | 28 Nov 1997 | | August 1947 | 47 Framingham Road, Sale, Cheshire, M33 3RH |
| BRAY, Richard David RESIGNED | Director | | 25 Nov 1992 | United Kingdom | December 1949 | 3 Hill Gardens, Streatley On Thames, Reading, RG8 9QF |
| BREW, Richard John Devereau RESIGNED | Director | | 01 Jan 1993 | | October 1944 | 313 Liverpool Road, Southport, Merseyside, PR8 3DE |
| BROOM, Keith RESIGNED | Director | 23 Nov 1994 | 22 Nov 1995 | | May 1939 | Tanglewood The Green, Hilton, Huntingdon, Cambridgeshire, PE18 9NB |
| BURFORD, Colin Charles RESIGNED | Director | 22 Nov 1995 | 19 Nov 1998 | United Kingdom | September 1943 | Oak House, Wennington, Lancaster, LA2 8NX |
| BURY, Keith RESIGNED | Director | | 04 Dec 1995 | | October 1934 | Threeways The Avenue, Hale, Altrincham, Cheshire, WA15 0LX |
| CAMM, Anthony William RESIGNED | Director | | 22 Nov 1995 | | October 1942 | Bryn 8 Enville Road, Bowdon, Altrincham, Cheshire, WA14 2NR |
| CARE, Roger RESIGNED | Director | 05 Oct 1993 | 22 Nov 1995 | | November 1951 | 3 Marshfield Close Church Hill North, Redditch, Worcestershire, B98 8RW |
| CARNEAU, Pierre RESIGNED | Director | 19 Nov 1998 | 18 Nov 1999 | England | February 1952 | 239 Popes Lane Gunnersbury Park, Ealing, London, W5 4NH |
| CARTER, Marion Joan, Dr RESIGNED | Director | | 23 Nov 2001 | United Kingdom | April 1950 | Glenfield Cottage Sheepy Road, Sibson, Nuneaton, Warwickshire, CV13 6LE |
| COOMBS, Nigel James RESIGNED | Director | 09 Dec 1993 | 22 Nov 1995 | | November 1944 | Dutch Road Farm Dutch Road, Mark, Highbridge, Somerset, TA9 4QR |
| CORDINER, Alex RESIGNED | Director | 13 Oct 1994 | 22 Nov 1995 | | April 1945 | Myne Holne Norwich Road, Ludham, Great Yarmouth, Norfolk, NR2 5PB |
| COX, Jonson RESIGNED | Director | 23 Nov 1994 | 22 Nov 1995 | | October 1956 | Rockwood Mews 107 Barnsley Road, Denby Dale, Huddersfield, West Yorkshire, HD8 8XF |
| DALES, Kristian Johann RESIGNED | Director | 14 Oct 2022 | 31 May 2024 | England | August 1974 | 158, Buckingham Palace Road, London, SW1W 9TR, England |
| DAVIES, Stewart John Rodney RESIGNED | Director | 27 Nov 2015 | 31 Dec 2018 | England | May 1960 | 154 Buckingham Palace Road, London, SW1W 9TR |
| DEAN, Anthony Paul Raymond RESIGNED | Director | 18 Nov 1999 | 29 Jun 2001 | United Kingdom | June 1953 | 8 Trevone Close, Knutsford, Cheshire, WA16 9EJ |
| DEWSNAP, Philip Samson RESIGNED | Director | 25 Nov 1992 | 22 Nov 1995 | England | December 1951 | 88 Currier Lane, Ashton Under Lyne, Lancashire, OL6 6TB |
| DRINKWATER, Colin RESIGNED | Director | | 22 Nov 1995 | | May 1932 | Reynolds Nugents Park, Hatch End, Pinner, Middlesex, HA5 4RA |
| DRUMMOND, Colin Irwin John Hamilton RESIGNED | Director | 01 Apr 2013 | 29 Nov 2013 | England | February 1951 | Viridor House, Youngman Place, Priory Bridge Road, Taunton, Somerset, TA1 1AP, England |
| DRURY, Thomas Waterworth RESIGNED | Director | 04 Oct 2007 | 09 Oct 2008 | United Kingdom | September 1961 | Legh Cottage, Legh Road, Knutsford, Cheshire, WA16 8LS |
| DU PELOUX, Cyrille RESIGNED | Director | 22 Nov 2002 | 05 Jul 2007 | France | February 1954 | 40 Avenue De Saxe, F-75007 Paris, France, N1 9PE |
| DUPONT MADINIER, Edouard Jacques RESIGNED | Director | 23 Nov 1994 | 18 Nov 1999 | | September 1954 | 235 South Lodge, Knightsbridge, London, SW7 1DG |
| EGLINTON, Peter Damian RESIGNED | Director | 21 Nov 2014 | 01 Dec 2016 | England | March 1969 | Dunedin House, Auckland Park, Mount Farm, Milton Keynes, MK1 1BU, United Kingdom |
| ENGSTED, Michael RESIGNED | Director | 26 Nov 2004 | 24 Jun 2005 | United Kingdom | February 1960 | 12 Rushbury Close, Shirley, Solihill, West Midlands, B90 3LD |
| FINLAYSON, Alastair Crawford RESIGNED | Director | 22 Nov 2002 | 27 Jun 2005 | England | April 1949 | The Oast House, Pristling Lane, Staplehurst, Tonbridge, Kent, TN12 0HH |
| FLECK, Ute, Dr RESIGNED | Director | 01 Dec 2017 | 28 Sep 2021 | Switzerland | April 1971 | 154 Buckingham Palace Road, London, SW1W 9TR |
| GAZULLA PLANELLAS, Alejendro RESIGNED | Director | 21 Nov 2014 | 01 Dec 2016 | Spain | September 1962 | 109, Av Barcelona, Saint Joan, Barcelona, Spain |
| GERSTROM, Peter Anton RESIGNED | Director | 02 Aug 2010 | 01 Dec 2016 | England | May 1955 | 2, Coldbath Square, London, EC1R 5HL |
| GOODCHILD, Norman Chares RESIGNED | Director | | 04 Nov 1993 | | May 1938 | 9 North Lawn, Ipswich, Suffolk, IP4 3LL |
| GOODFELLOW, Ian Frederick RESIGNED | Director | 09 Oct 2008 | 01 Jul 2014 | England | January 1954 | Highlands Harewood Drive, Cold Ash, Thatcham, Berkshire, RG18 9PF |
| GOODFELLOW, Ian Frederick RESIGNED | Director | 18 Nov 1999 | 16 Jun 2003 | England | January 1954 | Highlands Harewood Drive, Cold Ash, Thatcham, Berkshire, RG18 9PF |
| GOODFELLOW, Ian Frederick RESIGNED | Director | 27 Oct 1993 | 22 Nov 1995 | | January 1954 | The Stables, Staward, Langley, Northumberland, NE47 5NR |
| GORDON, Marek Robert RESIGNED | Director | 25 Nov 1992 | 19 Nov 1998 | England | February 1953 | 7 Woodbank Avenue, Gerrards Cross, Buckinghamshire, SL9 7PY |
| GOURVENNEC, Michel Jean Jacques RESIGNED | Director | 07 Jan 2000 | 22 Nov 2002 | | May 1944 | 77 Wheel House, Burrells Wharf Westferry Road, London, E14 3TB |
| GRAVESON, Gavin Howard RESIGNED | Director | 23 Jan 2015 | 04 Sep 2026 | England | August 1963 | 210, Veolia, 210 Pentonville Road, London, N1 9JY, England |
| GRAY, Richard Innes John RESIGNED | Director | 27 Nov 2009 | 27 Nov 2015 | United Kingdom | November 1953 | 154, Buckingham Palace Road, London, SW1W 9TR |
| GREEDY, Derek Roy RESIGNED | Director | 04 Nov 1993 | 23 Nov 1994 | England | March 1947 | 34 Birmingham Road, Ansley, Nuneaton, Warwickshire, CV10 9PS |
| GRUNDON, Norman Stephen RESIGNED | Director | 25 Nov 1992 | 23 Nov 1994 | England | November 1941 | Tara Colley Hill Lane, Hedgerley, Slough, Buckinghamshire, SL2 4AT |
| HARRISON, Michael RESIGNED | Director | | 31 Jan 1994 | | September 1933 | 4 Richmond Road, Taunton, Somerset, TA1 1EW |
| HAZELL, Dirk Nicholas Downing RESIGNED | Director | 02 Jul 1999 | 29 Mar 2010 | United Kingdom | April 1956 | 6 Deepdale, Wimbledon, London, SW19 5EZ |
| HEATH, Peter Alexander Milnes RESIGNED | Director | 23 Nov 1994 | 05 Oct 1996 | United Kingdom | February 1942 | 11 Seckford Street, Woodbridge, Suffolk, IP12 4LY |
| HELLINGS, Michael RESIGNED | Director | 28 Nov 1997 | 30 Mar 2013 | United Kingdom | March 1951 | 5 Powell Close, Creech St Michael, Taunton, Somerset, TA3 5TE |
| HEMMINGS, Samuel RESIGNED | Director | | 18 Nov 1999 | | September 1943 | Wychelm, 11a Stoke Hill Stoke Bishop, Bristol, Avon, BS9 1JL |
| HEWITT, Michael Roger RESIGNED | Director | 25 Nov 2011 | 31 May 2024 | England | February 1942 | 158, Buckingham Palace Road, London, SW1W 9TR, England |
| HJORT, Per-Anders RESIGNED | Director | 03 Jul 2003 | 30 Sep 2008 | | December 1958 | Flat 76, 21 Sheldon Square, Paddington London, W2 6DS |
| HOATHER, Hugh Allen, Dr RESIGNED | Director | 07 Jan 2000 | 24 Nov 2000 | England | November 1947 | Oak House, Hassalls Lane Bridge Trafford, Chester, Cheshire, CH2 4GA |
| HORBACH, Jan Andreas Leonardus RESIGNED | Director | 24 Apr 2009 | 24 May 2010 | United Kingdom | October 1962 | Middlefield Barns, Middlefield Lane, Newbold On Stour, Stratford Upon Avon, Warwickshire, CV37 8TY |
| HORNSBY, Geoffrey Allan, Mr. RESIGNED | Director | | 11 Oct 1996 | England | April 1954 | 4 Oaklands, Darras Hall Ponteland, Newcastle Upon Tyne, NE20 9PH |
| HUNTINGTON, John Michael RESIGNED | Director | 18 Nov 1999 | 21 Sep 2000 | | November 1951 | Skelton Hall, Skelton Lane Thorner, Leeds, West Yorkshire, LS14 1AE |
| JENKINSON, Stephen Thomas, Professor RESIGNED | Director | 27 Nov 2003 | 24 Apr 2009 | England | December 1951 | 9 Masefield Drive, Winwick Park, Winwick, Warrington, WA2 8XH |
| JENKINSON, Stephen Thomas, Professor RESIGNED | Director | 28 Nov 1997 | 23 Nov 2001 | England | December 1951 | 9 Masefield Drive, Winwick Park, Winwick, Warrington, WA2 8XH |
| LEVETT, Paul Michael RESIGNED | Director | 07 Jul 2005 | 30 Sep 2006 | United Kingdom | December 1957 | 106 Thames Side, Staines, Middlesex, TW18 2HG |
| LYNCH, Michael Denis RESIGNED | Director | 27 May 1992 | 22 Nov 1995 | | October 1940 | Heathcote House, Heath Road, Bradfield, Berkshire, RG7 6HD |
| MACKRILL, David RESIGNED | Director | | 23 Nov 1994 | | March 1935 | 83 Southgate Street, Bury St Edmunds, Suffolk, IP33 2BJ |
| MALLETT, Jean Dominique RESIGNED | Director | 05 Jul 2007 | 31 Jul 2012 | United Kingdom | April 1952 | Flat 14, 58-59 Hyde Park Gate, London, SW7 5ED |
| MAY, Richard Nathaniel RESIGNED | Director | 24 Nov 2000 | 22 Nov 2001 | | May 1944 | 35 Rydon Lane, Exeter, Devon, EX2 7AN |
| MCAULAY, Ian James RESIGNED | Director | 29 Nov 2013 | 01 Dec 2016 | England | April 1965 | Viridor House, Youngman Place, Priory Bridge Road, Taunton, Somerset, TA1 1AP, England |
| MEREDITH, James Robert RESIGNED | Director | 24 Apr 2009 | 27 Nov 2009 | | August 1960 | Ground Floor West 900, Pavilion Drive, Northampton Business Park, Northampton, Northamptonshire, NN4 7RG |
| MEREDITH, James Robert RESIGNED | Director | 09 Oct 2003 | 21 Jul 2004 | | August 1960 | Ground Floor West 900, Pavilion Drive, Northampton Business Park, Northampton, Northamptonshire, NN4 7RG |
| MEREDITH, Jim RESIGNED | Director | 01 Dec 2017 | 31 Dec 2018 | England | August 1960 | 154 Buckingham Palace Road, London, SW1W 9TR |
| MICHAELSON, Richard Owen RESIGNED | Director | 14 Oct 2022 | 14 Nov 2025 | United Kingdom | October 1966 | 158, Buckingham Palace Road, London, SW1W 9TR, England |
| MILLER, Brian Dermot RESIGNED | Director | | 14 Jul 1993 | | October 1945 | The Laurels, Bell Lane, Syresham, Brackley, Northants, NN13 5HP |
| MITCHELL, Anthony John RESIGNED | Director | 12 Oct 1994 | 31 Mar 2002 | | March 1942 | Evergreen 56 Macdonald Road, Lightwater, Surrey, GU18 5XY |
| MOLENAAR, Robert RESIGNED | Director | 02 Dec 2016 | 01 Dec 2017 | England | July 1960 | 154 Buckingham Palace Road, London, SW1W 9TR |
| MORIN, Kenneth Robert RESIGNED | Director | | 22 Nov 1995 | | July 1950 | 20 Cromarty Crescent, Bearsden, Glasgow, G61 3LU |
| NEILL, Peter Anthony RESIGNED | Director | | 29 Jun 1999 | United Kingdom | August 1949 | 81 Clifton Drive, Lytham, Lancashire, FY8 1BZ |
| NEWTON, James Edward RESIGNED | Director | 25 Nov 1992 | 23 Nov 1994 | England | April 1951 | The Sycamores, Matfen, Newcastle Upon Tyne, NE20 0RP |
| PALMER-JONES, David Courtenay RESIGNED | Director | 01 Oct 2008 | 31 Jan 2020 | United Kingdom | April 1963 | Monbrook House, Hotley Bottom Lane, Prestwood, Great Missenden, Buckinghamshire, HP16 9PL |
| PARDOE, Alan George RESIGNED | Director | 23 Nov 2007 | 14 Jan 2011 | England | February 1950 | Glenennie Parsonage Vale, Collingbourne Kingston, Marlborough, Wiltshire, SN8 3SZ |
| PIDDINGTON, Phillip Charles RESIGNED | Director | 01 Dec 2016 | 28 Sep 2021 | England | November 1956 | 154 Buckingham Palace Road, London, SW1W 9TR |
| PLATTS, Anthony Russell RESIGNED | Director | | 22 Oct 1992 | | May 1941 | 27 Lichfield Road, Four Oaks, Sutton Coldfield, West Midlands, B74 2XH |
| POLLARD, Charles Nicholas RESIGNED | Director | 01 Dec 2016 | 10 Jun 2019 | England | June 1958 | 154, Buckingham Palace Road, London, SW1W 9TR, England |
| PONTIN, Alan RESIGNED | Director | 27 Nov 1996 | 23 Nov 2001 | United Kingdom | November 1945 | Peel Fold, Mill Lane, Henley On Thames, Oxfordshire, RG9 4HB |