| FOX, Joanne ACTIVE | Secretary | 16 Jun 2026 | | | | Joseph Nickerson Research Centre, Rothwell, Market Rasen, Lincolnshire, LN7 6DT |
| TANN, Jonathan James ACTIVE | Director | 21 May 2019 | | England | August 1965 | Joseph Nickerson Research Centre, Rothwell, Market Rasen, Lincolnshire, LN7 6DT |
| COWLING, Robert John RESIGNED | Secretary | 05 Jan 2015 | 25 Mar 2020 | | | Joseph Nickerson Research Centre, Rothwell, Market Rasen, Lincolnshire, LN7 6DT |
| GALLEY, Keith John RESIGNED | Secretary | 01 Oct 1996 | 30 Jun 1997 | | | 22 Yew Tree Close, Eaton Bray, Dunstable, Bedfordshire, LU6 2ED |
| MICHELSON, Trevor Roy RESIGNED | Secretary | | 30 Sep 1996 | | | Lyttelton House 45 St Michaels, Longstanton, Cambridge, CB4 5BZ |
| PELTIER, Marion RESIGNED | Secretary | 08 Sep 2023 | 29 Jun 2026 | | | Joseph Nickerson Research Centre, Rothwell, Market Rasen, Lincolnshire, LN7 6DT |
| PHILLIPS, George RESIGNED | Secretary | 18 May 2020 | 08 Sep 2023 | | | Joseph Nickerson Research Centre, Rothwell, Market Rasen, Lincolnshire, LN7 6DT |
| ROUX, Yannick RESIGNED | Secretary | 03 Mar 2010 | 05 Jan 2015 | | | Joseph Nickerson Research Centre, Rothwell, Market Rasen, Lincolnshire, LN7 6DT |
| YOXON, Michael Neville RESIGNED | Secretary | 30 Jun 1997 | 03 Mar 2010 | | | Joseph Nickerson Research Centre, Rothwell, Market Rasen, Lincolnshire, LN7 6DT |
| ALDERTON, Kenneth Frederick RESIGNED | Director | | 01 Aug 1994 | | February 1930 | 3 Moss Close, Ramsey, Huntingdon, Cambridgeshire, PE17 1QX |
| BOUISSOUX, Jean Francois RESIGNED | Director | | 31 Jul 1993 | | June 1947 | 35 St Stephens Place, Cambridge, Cambridgeshire, CB3 0JE |
| CANHAM, Paul Christopher RESIGNED | Director | 30 Jun 1997 | 14 Sep 2006 | | August 1947 | Treetops, Hall Lane Tathwell, Louth, Lincolnshire, LN11 9SR |
| COWLING, Robert John RESIGNED | Director | 05 Jan 2015 | 25 Mar 2020 | England | July 1965 | Joseph Nickerson Research Centre, Rothwell, Market Rasen, Lincolnshire, LN7 6DT |
| FERRAND, Jean Louis Ernest RESIGNED | Director | | 24 Dec 1997 | | April 1932 | 25 Route De Rachailler, Saint Pourcain Sur Sioule 03500, France |
| HONNORAT, Stephen RESIGNED | Director | 01 Sep 1995 | 24 Dec 1997 | | February 1946 | 29 Quai Saint Vincent, Lyon, 69001, France |
| REAM, Timothy William RESIGNED | Director | 01 Aug 1993 | 31 Aug 1995 | | March 1953 | 24 Woodend, Bluntisham, Huntingdon, Cambridgeshire, PE17 3LE |
| ROBINSON, Lee Mitchell RESIGNED | Director | 05 Jan 2015 | 31 Jul 2018 | England | March 1961 | Joseph Nickerson Research Centre, Rothwell, Market Rasen, Lincolnshire, LN7 6DT |
| ROUGIER, Emmanuel Marie Rémy Maurice RESIGNED | Director | | 24 Dec 1997 | France | August 1952 | 25 Avenue Raymond Poincare, 03200 Vichy, FOREIGN, France |
| ROUX, Yannick RESIGNED | Director | 03 Mar 2010 | 05 Jan 2015 | United Kingdom | January 1979 | Joseph Nickerson Research Centre, Rothwell, Market Rasen, Lincolnshire, LN7 6DT |
| SNOWDEN, Peter Gavin RESIGNED | Director | 14 Sep 2006 | 05 Jan 2015 | Uk | May 1954 | Joseph Nickerson Research Centre, Rothwell, Market Rasen, Lincolnshire, LN7 6DT |
| VIAL, Dominique RESIGNED | Director | | 08 Oct 1993 | | November 1948 | 10 Cours Sablow, Clermont Ferrand 6300, France |
| YOXON, Michael Neville RESIGNED | Director | 24 Dec 1997 | 03 Mar 2010 | United Kingdom | November 1952 | Joseph Nickerson Research Centre, Rothwell, Market Rasen, Lincolnshire, LN7 6DT |