| WALTON, Vaughn ACTIVE | Secretary | 29 Jan 2020 | | | | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4FF |
| ELLIS, Roderick George Howard ACTIVE | Director | 26 May 2022 | | United Kingdom | March 1967 | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4FF |
| KOKKE, Jorgen ACTIVE | Director | 01 Jul 2023 | | United States | October 1968 | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4FF |
| NOONAN, Denis Mary ACTIVE | Director | 28 Mar 2008 | | England | February 1966 | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4FF |
| RUSSELL, Andrew Paul ACTIVE | Director | 20 Aug 2025 | | United Kingdom | June 1974 | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4FF |
| CRICHTON, Cara RESIGNED | Secretary | 12 Apr 2013 | 29 Jan 2020 | | | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4DZ, England |
| FAIRALL, Lawrence David RESIGNED | Secretary | 13 Nov 1997 | 31 Mar 2001 | | | 2 Four Seasons Close, Crewe, Cheshire, CW2 6TN |
| FARRELLY, Ian Brian RESIGNED | Secretary | 12 Jun 2006 | 12 Apr 2013 | | | Belvedere House, Basing View, Basingstoke, Hampshire, RG21 4HG |
| HALL, Francis RESIGNED | Secretary | 01 Apr 2001 | 10 Dec 2002 | | | 58 Pillory Street, Nantwich, Cheshire, CW5 5BG |
| PYE, George Mason RESIGNED | Secretary | | 13 Nov 1997 | | | 120 Newlands Road, Lancaster, Lancashire, LA1 4JE |
| TIMMINS, David Peter RESIGNED | Secretary | 22 Jul 2004 | 12 Jun 2006 | | | Stable Cottage, Mulsford Lane, Worthenbury, Wrexham, Clwyd, LL13 0AW |
| VICKERS, Christopher John RESIGNED | Secretary | 10 Dec 2002 | 22 Jul 2004 | | | Cross Lanes, Clandon Road, West Clandon, Surrey, GU4 7UW |
| ACTON, Thomas Philip RESIGNED | Director | 12 Mar 2008 | 17 Feb 2012 | United Kingdom | March 1958 | Belvedere House, Basing View, Basingstoke, Hampshire, RG21 4HG |
| ACTON, Thomas Philip RESIGNED | Director | 13 Nov 1997 | 17 Mar 2003 | United Kingdom | March 1958 | The Old Shop Farm, Aston By Budworth, Northwich, Cheshire, CW9 6LT |
| AMIES, Stephen John RESIGNED | Director | 02 Mar 2000 | 01 Apr 2010 | England | November 1950 | Belvedere House, Basing View, Basingstoke, Hampshire, RG21 4HG |
| BIGGS, Ian RESIGNED | Director | 18 May 2010 | 01 Jan 2012 | Usa | June 1958 | Belvedere House, Basing View, Basingstoke, Hampshire, RG21 4HG |
| BITAR, Karim RESIGNED | Director | 30 Sep 2011 | 13 Sep 2019 | United Kingdom | February 1965 | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4DZ, England |
| BODEN, Martin Brett RESIGNED | Director | 02 Apr 2007 | 26 Feb 2009 | | January 1959 | South House, The Green Adderbury, Banbury, Oxford, OX17 3NE |
| CRICHTON, Stewart Alexander Rankin Proctor RESIGNED | Director | 12 Mar 2008 | 15 May 2013 | United Kingdom | July 1951 | Belvedere House, Basing View, Basingstoke, Hampshire, RG21 4HG |
| CROSBY, David Patrick John RESIGNED | Director | 12 Mar 2008 | 18 Apr 2014 | United Kingdom | January 1965 | Belvedere House, Basing View, Basingstoke, Hampshire, RG21 4HG |
| DUANE, Janet Ann RESIGNED | Director | 18 Apr 2014 | 26 May 2022 | England | November 1972 | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4DZ, England |
| HENRIKSEN, Alison Jane RESIGNED | Director | 29 Jan 2020 | 31 Jul 2025 | United Kingdom | October 1967 | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4FF |
| HOLLIDAY, Robert James RESIGNED | Director | 12 Mar 2008 | 31 Jul 2012 | England | November 1955 | Belvedere House, Basing View, Basingstoke, Hampshire, RG21 4HG |
| KELLY, Thomas John RESIGNED | Director | 13 Nov 1997 | 20 Feb 2000 | United Kingdom | October 1940 | Overmead, Alkington Road, Whitchurch, Salop, SY13 1TE |
| LESTER, Jonathan RESIGNED | Director | 01 Feb 2025 | 10 Jun 2025 | Northern Ireland | June 1980 | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4DZ |
| MACLENNAN, Stuart Alexander RESIGNED | Director | 18 Dec 2012 | 04 Apr 2014 | United Kingdom | August 1971 | Belvedere House, Basing View, Basingstoke, Hampshire, RG21 4HG |
| PYE, John Armitage RESIGNED | Director | | 13 Nov 1997 | | September 1925 | Burrow View, 15 Brantwood Drive, Scotforth, Lancaster Lancashire, LA1 4NX, England |
| RATCLIFFE, Hugh James RESIGNED | Director | 25 Sep 2024 | 01 Feb 2025 | England | March 1981 | Genus Breeding Ltd, Alpha Building, London Road, Nantwich, Cheshire, CW5 7JW |
| ROLLER, Michael Roy David RESIGNED | Director | 17 Mar 2003 | 06 Aug 2003 | | June 1965 | Hope Cottage, Livery Road, Salisbury, Wiltshire, SP5 1RF |
| THOMAS, Joseph Glyn RESIGNED | Director | | 13 Nov 1997 | | November 1937 | Greenbank Farm, Over Kellet, Carnforth, Lancashire, LA6 1BS |
| THOMPSON, Andrew Robert RESIGNED | Director | 28 Feb 2013 | 15 Jul 2024 | England | July 1976 | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4DZ, England |
| TIMMINS, David Peter RESIGNED | Director | 29 Mar 2004 | 02 Apr 2007 | | October 1952 | Stable Cottage, Mulsford Lane, Worthenbury, Wrexham, Clwyd, LL13 0AW |
| WATT, John Alexander Menmuir RESIGNED | Director | | 13 Nov 1997 | | March 1935 | Bernkastel, Quernmore, Lancaster, Lancashire, LA2 9EF |
| WILSON, Stephen David RESIGNED | Director | 01 Mar 2013 | 07 Aug 2023 | England | October 1959 | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4DZ, England |
| WOOD, Richard Kenneth RESIGNED | Director | 05 Aug 1999 | 30 Sep 2011 | England | December 1944 | Belvedere House, Basing View, Basingstoke, Hampshire, RG21 4HG |
| WORBY, John Graham RESIGNED | Director | 18 Feb 2009 | 01 Mar 2013 | United Kingdom | November 1950 | Belvedere House, Basing View, Basingstoke, Hampshire, RG21 4HG |
| WRIGLEY, David William RESIGNED | Director | | 21 Jul 1995 | | December 1933 | 43 Wennington Road, Wray, Lancaster, Lancashire, LA2 8QH |