| ECKHARD, Edward Newton ACTIVE | Secretary | 03 Jan 2017 | | | | Jacksons, Weir Street, Lincoln, LN5 8DT |
| ECKHARD, Edward Newton ACTIVE | Director | 01 Jan 2019 | | United Kingdom | July 1980 | Jacksons, Weir Street, Lincoln, LN5 8DT |
| MACKINDER, Alistair James ACTIVE | Director | | | United Kingdom | November 1960 | Jacksons, Weir Street, Lincoln, LN5 8DT |
| MACKINDER, Melanie Jane, Dr ACTIVE | Director | 01 Feb 2026 | | England | December 1968 | Jacksons, Weir Street, Lincoln, LN5 8DT |
| MACKINDER, William George ACTIVE | Director | 01 Jul 2023 | | United Kingdom | July 2005 | Jacksons, Weir Street, Lincoln, LN5 8DT |
| PEARCE, Steven Brian ACTIVE | Director | 01 Jan 2019 | | United Kingdom | October 1968 | Jacksons, Weir Street, Lincoln, LN5 8DT |
| WILSON, Michael Ian RESIGNED | Secretary | 01 Feb 2013 | 03 Jan 2017 | | | Jacksons, Weir Street, Lincoln, LN5 8DT |
| WOOD, John RESIGNED | Secretary | 18 Jan 1993 | 01 Feb 2013 | | | 57 Kings Road, Metheringham, Lincoln, Lincolnshire, LN4 3HT |
| ADCOCK, Joanna Sarah RESIGNED | Director | | 31 Jan 2018 | England | January 1963 | 84 Arbor Lane, Winnersh, Wokingham, Berkshire, RG41 5JD |
| EATON-EVANS, Ann Priscilla Lovibond RESIGNED | Director | | 01 Jan 2007 | | August 1923 | 5 St Giles Avenue, Lincoln, Lincolnshire, LN2 4PE |
| MACKINDER, Donald David Clarke RESIGNED | Director | | 08 Dec 2021 | England | August 1928 | Jacksons, Weir Street, Lincoln, LN5 8DT |
| MACKINDER, Sarah Bigsby RESIGNED | Director | 01 Apr 1992 | 01 Jun 2021 | England | February 1937 | Jacksons, Weir Street, Lincoln, LN5 8DT |
| MITCHAM, Derek RESIGNED | Director | | 01 Jan 1993 | | April 1931 | 49 Main Street, Scopwick, Lincoln, Lincolnshire, LN4 3NW |
| NORTON, Joseph John RESIGNED | Director | | 01 Jan 1993 | | February 1932 | Greenaway 3 High Street, Eagle, Lincoln, Lincolnshire, LN6 9DH |
| WELLS-COLE, Caroline Jane RESIGNED | Director | | 31 Jan 2018 | England | November 1958 | 7 Monks Manor Drive, Lincoln, Lincolnshire, LN2 4AT |
| WILSON, Michael Ian RESIGNED | Director | 03 Jan 1995 | 14 Apr 2023 | England | May 1959 | Jacksons, Weir Street, Lincoln, LN5 8DT |
| WOOD, John RESIGNED | Director | 18 Jan 1993 | 01 Feb 2013 | England | September 1947 | 57 Kings Road, Metheringham, Lincoln, Lincolnshire, LN4 3HT |