| HENSON, Mark Richard ACTIVE | Secretary | 01 Jan 2020 | | | | Openfield Group Limited, Honey Pot Lane, Colsterworth, Grantham, NG33 5LY, England |
| DALLAS, James Lamond ACTIVE | Director | 16 Nov 2016 | | United Kingdom | November 1965 | Openfield Group Limited, Honey Pot Lane, Colsterworth, Grantham, NG33 5LY, England |
| BRODERICK, Stephen Hugh RESIGNED | Secretary | 04 Aug 1998 | 04 Apr 2002 | | | 1 The Chase, Pinchbeck, Spalding, Lincolnshire, PE11 3RS |
| MAKINS, David Harry Francis RESIGNED | Secretary | | 30 Nov 1997 | | | 23 Amberley Crescent, Boston, Lincs, PE21 7QQ |
| MURRAY, Alan James RESIGNED | Secretary | 01 Feb 2008 | 31 Dec 2019 | | | 19b, Winchester Road, Andover, Hampshire, SP10 2EQ, United Kingdom |
| RAWLINGS, Margaret Louise RESIGNED | Secretary | 04 Apr 2002 | 30 Jun 2004 | | | 33a Saint Paul Street, Chippenham, Wiltshire, SN15 1LJ |
| REDSTONE, Christopher Bruce RESIGNED | Secretary | 30 Jun 2004 | 31 Jan 2008 | | | 94 Mendip Road, Yatton, Bristol, BS49 4HN |
| BELTON, Sidney Michael RESIGNED | Director | | 01 Jul 1998 | | April 1936 | Grantavon, 41 Sibsey Road, Boston, Lincolnshire, PE21 9QY |
| CASSWELL, John Richard RESIGNED | Director | | 16 Jan 1996 | England | May 1948 | Priory Farm, Bridge End Horbling, Sleaford, Lincolnshire, NG34 0JG |
| COATES, Simon Alwyn RESIGNED | Director | | 19 Dec 1995 | United Kingdom | November 1950 | The Oaks Broadgate, Sutton St Edmund, Spalding, Lincolnshire, PE12 0LT |
| COWENS, Jonathan Michael RESIGNED | Director | 04 Aug 1998 | 10 Oct 2003 | England | October 1956 | 15 Les Bois, High Road Layer De La Haye, Colchester, CO2 0EX |
| DODDS, John Burbank RESIGNED | Director | | 19 Oct 1993 | | October 1936 | Graby Farm Graby, Sleaford, Nottingham, Lincolnshire, NG34 0HS |
| LAWSON, John Watson RESIGNED | Director | 01 Jul 1993 | 19 Dec 1995 | United Kingdom | March 1956 | Sotby House, Sotby Market Rasen, Lincoln, Lincolnshire, LN8 5LH |
| MAKINS, David Harry Francis RESIGNED | Director | | 30 Nov 1997 | | September 1953 | 23 Amberley Crescent, Boston, Lincs, PE21 7QQ |
| PROCTOR, Antony Hickman RESIGNED | Director | | 19 Dec 1995 | | October 1935 | Hill House, Gosberton, Spalding, Lincs, PE11 4HL |
| SHEPHERD, Peter Henry RESIGNED | Director | | 23 Jan 1997 | | January 1932 | The Lodge, Baileys Lane, Spalding, Lincs, PE12 8JP |
| SMITH, Haydn Arthur RESIGNED | Director | | 25 Oct 1991 | | July 1926 | Orchardleigh 28 Lowgate, Gosberton, Spalding, Lincolnshire, PE11 4NL |
| SMITH, Peter Nicholas RESIGNED | Director | | 16 Jan 1996 | | April 1946 | Glebe Farm, Oasby, Grantham, Lincolnshire, NG32 3AG |
| STABLES, John RESIGNED | Director | 31 Dec 2011 | 16 Nov 2016 | England | May 1957 | 3, Brooke Close, Oakham, Rutland, LE15 6GD, United Kingdom |
| TINSLEY, Anthony Cole RESIGNED | Director | | 18 Sep 1992 | | November 1952 | Langrick Grange, Langrick, Boston, Lincs |
| TURLEY, Stephen William RESIGNED | Director | 04 Aug 1998 | 31 Dec 2011 | United Kingdom | July 1957 | The Little Grange, Market Rasen Road Welton Hill, Lincoln, Lincolnshire, LN2 3RA |
| WILLOWS, Richard Valentine RESIGNED | Director | | 16 Jan 1996 | | March 1953 | The Gamekeepers Cottage, Somersby, Spilsby, Lincolnshire, PE23 4NR |