| DEL RIO DONOSO, Rafael Julio ACTIVE | Director | 26 Aug 2024 | | Chile | January 1960 | 1, Bow Churchyard, London, EC4M 9DQ, United Kingdom |
| RANA, Jagresh Kumar ACTIVE | Director | 02 Apr 2025 | | United States | May 1970 | 1, Bow Churchyard, London, EC4M 9DQ, United Kingdom |
| HOVEY, Jeffrey RESIGNED | Secretary | 12 Jun 2020 | 23 Jul 2020 | | | 2626, Glenwood Avenue, Suite 350, Raleigh, North Carolina, 27608, United States |
| KENNEDY, Christina Lillian RESIGNED | Secretary | 16 Jun 2004 | 30 Jun 2005 | | | Walnut House, Walnut Gardens Claydon, Banbury, Oxfordshire, OX17 1NA |
| MAZZONE, Christine RESIGNED | Secretary | 14 Jun 2016 | 12 Jun 2020 | | | Plant Health Care, 2626 Glenwood Avenue, Suite 350, Raleigh, NC 27608, United States |
| SUTTON, Catherine Julia RESIGNED | Secretary | 30 Jun 2005 | 31 Dec 2006 | | | 28 Lee Park, Blackheath, London, SE3 9HU |
| WOOD, Andrew Christopher RESIGNED | Secretary | 01 Jan 2007 | 14 Jun 2016 | | | 38a, Hove Street, Hove, East Sussex, BN3 2DH, England |
| ACI SECRETARIES LIMITED RESIGNED | Nominee Secretary | 30 Apr 2004 | 30 Apr 2004 | | | 2nd Floor, 7 Leonard Street, London, EC2A 4AQ |
| AMBA SECRETARIES LIMITED RESIGNED | Secretary | 23 Jul 2020 | 10 Nov 2024 | | | 400, Thames Valley Park Drive, Reading, Berkshire, RG6 1PT, England |
| SALANS SECRETARIAL SERVICES LIMITED RESIGNED | Secretary | 30 Apr 2004 | 16 Jun 2004 | | | Millennium Bridge House, 2 Lambeth Hill, London, EC4V 4AJ |
| BRADY, John RESIGNED | Director | 30 Apr 2004 | 16 Sep 2013 | Usa | July 1954 | 55 Antrim Road, Hancock, Nh 03449, Usa |
| BRATKOWSKI, Walter Victor RESIGNED | Director | 03 Mar 2006 | 16 May 2007 | | November 1954 | 517 Kellingwood Drive, Pittsburgh, PA 15238, Usa |
| BUCKERIDGE, David James RESIGNED | Director | 30 Oct 2008 | 16 Sep 2013 | United Kingdom | February 1960 | Yaverland Manor, Yaverland Road, Sandown, Isle Of Wight, PO36 8QW, United Kingdom |
| CHANSON, Robert Henri, Dr Inr RESIGNED | Director | 16 Jun 2004 | 06 Jun 2008 | | February 1950 | Ackersteinstrasse 45, Zurich, 8049, FOREIGN, Switzerland |
| COPPINGER, Katherine Jane RESIGNED | Director | 31 Jan 2023 | 20 Aug 2024 | United Kingdom | May 1970 | 242, South Main Street, Suite 216, Holly Springs, North Carolina 27540, United States |
| EDE-GOLIGHTLY, James Lawrence RESIGNED | Director | 31 Jan 2023 | 31 Dec 2023 | United Kingdom | August 1979 | 242, South Main Street, Suite 216, Holly Springs, North Carolina, 27540, United States |
| EDE-GOLIGHTLY, James Lawrence RESIGNED | Director | 07 Jun 2013 | 30 Nov 2016 | United Kingdom | August 1979 | Bluebell Cottage, La Route De Sausmarez, St. Martins, Guernsey, GY4 6SE, Channel Islands |
| FISCHER, Albert Edward Maria Joseph, Dr RESIGNED | Director | 16 Jun 2004 | 15 Apr 2010 | Netherlands | May 1957 | Amalia Van Solmslaan 67, Zeist, 3708 Cm, The Netherlands |
| HIGGINS, Michael James RESIGNED | Director | 09 May 2013 | 30 Sep 2019 | United Kingdom | August 1956 | 19, Bovingdon Road, London, SW6 2AP, England |
| HOVEY, Jeffrey Scott RESIGNED | Director | 01 Nov 2019 | 31 Jan 2026 | United States | September 1968 | 1, Bow Churchyard, London, EC4M 9DQ, United Kingdom |
| ISLER, Thomas RESIGNED | Director | 16 Jun 2004 | 05 Jun 2009 | | November 1944 | Seestrasse 99, Ch 8803 Ruschlikon, Switzerland |
| KOECHLIN, Dominik, Dr. RESIGNED | Director | 30 Jan 2009 | 13 Apr 2012 | Switzerland | March 1959 | 39, Wenkenstrasse, Ch 4125, Riehen, CH 4125, Switzerland |
| LEWIS, William Martin RESIGNED | Director | 01 Apr 2015 | 20 Aug 2024 | United States | June 1960 | 242, South Main Street, Suite 216, Holly Springs, North Carolina, 27540, United States |
| MARX, Donald RESIGNED | Director | 30 Apr 2004 | 06 Jun 2008 | | October 1936 | 775 Eddings Point Road, Frogmore, Sc 29920, Usa |
| RICHARDS, Christopher Gareth Joseph, Dr RESIGNED | Director | 01 Aug 2012 | 20 Aug 2024 | England | October 1953 | 242, South Main Street, Suite 216, Holly Springs, North Carolina, 27540, United States |
| SARNA, Rajnish RESIGNED | Director | 11 Dec 2024 | 18 May 2026 | India | June 1969 | 1, Bow Churchyard, London, EC4M 9DQ, United Kingdom |
| SCHMIDT, Paul Martin RESIGNED | Director | 02 Apr 2013 | 30 Nov 2016 | Usa | December 1958 | 219, Hawthorne Road, Raleigh, Nc 27605, Usa |
| SCUDAMORE, Jeremy Paul RESIGNED | Director | 30 Oct 2008 | 29 Aug 2011 | United Kingdom | April 1947 | White House, Cliff Road Acton Bridge, Northwich, Cheshire, CW8 3QP |
| TWEEDY, Jeff RESIGNED | Director | 01 Nov 2019 | 31 Mar 2025 | United States | January 1967 | 1, Bow Churchyard, London, EC4M 9DQ, United Kingdom |
| VAN ZWANENBERG, Guy Christopher RESIGNED | Director | 01 Nov 2019 | 20 Aug 2024 | England | June 1954 | 242, South Main Street, Suite 216, Holly Springs, North Carolina, 27540, United States |
| WAUCHOPE, Samuel Alan RESIGNED | Director | 16 Jun 2004 | 02 Apr 2013 | United Kingdom | January 1952 | 90, Theydon Grove, Epping, Essex, CM16 4QA |
| WEAVER, Stephen Douglas RESIGNED | Director | 28 Mar 2008 | 16 Sep 2013 | Usa | December 1953 | 259, Trotwood Drive, Pittsburgh, Pennsylvania, PA 15241, U.S.A. |
| WEBB, Richard Hannam, Dr RESIGNED | Director | 16 Sep 2013 | 22 Jun 2022 | England | January 1959 | 242, South Main Street, Suite 216, Holly Springs, North Carolina, 27540, United States |
| WHITCOMB, Steven Michael RESIGNED | Director | 30 Apr 2004 | 21 Jul 2005 | | September 1951 | 1310 Westridge Drive, Hidden Valley, Pa 15502, Usa |
| ACI DIRECTORS LIMITED RESIGNED | Nominee Director | 30 Apr 2004 | 30 Apr 2004 | | | 2nd Floor, 7 Leonard Street, London, EC2A 4AQ |