| CLARKE, Toby, Mr. ACTIVE | Secretary | 06 Aug 2025 | | | | Lands End Way, Oakham, Leicestershire, LE15 6US |
| GRAY, Peter Lloyd ACTIVE | Director | 25 Sep 2017 | | United States | March 1968 | Lands End Way, Oakham, Leicestershire, LE15 6US |
| HOUGHTON, Andrew John, Mr. ACTIVE | Director | 06 Aug 2025 | | England | September 1976 | Lands End Way, Oakham, Leicestershire, LE15 6US |
| MCCRACKEN, Bernard L., Mr. ACTIVE | Director | 11 Apr 2025 | | United States | October 1961 | Lands End Way, Oakham, Leicestershire, LE15 6US |
| HEATHER, Anna RESIGNED | Secretary | 22 Jan 2014 | 09 Jul 2015 | | | Lands End Way, Oakham, Leicestershire, LE15 6US |
| HUGHES, Donald R RESIGNED | Secretary | 21 Mar 2001 | 27 Feb 2004 | | | 610 South Wisconsin Street, Mineral Point, Wisconsin, Wi 53565, Usa |
| MCLARNEY, Justin James RESIGNED | Secretary | 05 Jan 2016 | 18 May 2020 | | | Lands End Way, Oakham, Leicestershire, LE15 6US |
| ORUM, Stephen Arthur RESIGNED | Secretary | | 21 Mar 2001 | | | 1 Lands End Lane, Dodgeville, Wisconsin 53595, Usa |
| PULLEN, James Anthony RESIGNED | Secretary | 14 Jul 2006 | 14 Jun 2013 | | | Lands End Way, Oakham, Leicestershire, LE15 6US |
| WESTENBERGER, Richard Francis RESIGNED | Secretary | 14 Sep 2004 | 10 Mar 2006 | | | 5 Lands' End Lane, Dodgevill Wi, 53595, United States |
| SISEC LIMITED RESIGNED | Nominee Secretary | | 22 Jan 2014 | | | 21, Holborn Viaduct, London, EC1A 2DY, United Kingdom |
| ANDERSON, Richard Charles RESIGNED | Director | | 30 Mar 1993 | | July 1929 | 219 Leicester Road, Chicago, Illinois 60048, Usa |
| BECHWAR, Stephen Patrick RESIGNED | Director | 30 Jun 2005 | 29 Feb 2008 | | August 1961 | 62 Rue De Kohlenberg, 1870 Luxembourg, FOREIGN, Luxembourg |
| BUETTNER, Frank Apostolis RESIGNED | Director | 15 May 1995 | 10 May 2000 | | May 1955 | 5208 Valley Drive, Mcfarland, Wisconsin, Usa |
| CURTIS, Timothy John Morant RESIGNED | Director | 23 Nov 2007 | 23 Dec 2011 | England | November 1961 | Lands End Way, Oakham, Leicestershire, LE15 6US |
| DAHLEN, Karl Andrew RESIGNED | Director | 30 Jun 2005 | 02 Sep 2014 | Usa | December 1961 | Lands End Way, Oakham, Leicestershire, LE15 6US |
| DYER, David Folsom RESIGNED | Director | 30 Mar 1993 | 17 Aug 1994 | | July 1949 | 6203 South Highlands, Madison, Wisconsin, 53705, United States Of America |
| END, William Thomas RESIGNED | Director | | 02 Dec 1994 | | October 1947 | 3532 Timber Lane, Cross Plains, Wisconsin 53528, Usa |
| FEIST, Jason Clark RESIGNED | Director | 01 Sep 2003 | 06 Aug 2007 | | August 1961 | Cavendish House, Cow Lane, Whissendine, Leicestershire, LE15 7HJ |
| GOOCH, James Frederick RESIGNED | Director | 16 Mar 2016 | 27 Jan 2023 | United States | August 1967 | Lands End Way, Oakham, Leicestershire, LE15 6US |
| HEALY, Susan RESIGNED | Director | 14 Jul 2006 | 06 Aug 2009 | | August 1966 | 2009 Adams St, Madison, Dane, 53711, Usa |
| HEAVISIDES, Henry John RESIGNED | Director | | 22 Aug 1997 | | January 1955 | 8 Main Street, Bisbrooke, Oakham, Leicestershire, LE15 9EP |
| LOUIS, Monique RESIGNED | Director | 25 Sep 2017 | 06 Mar 2019 | England | December 1967 | Lands End Way, Oakham, Leicestershire, LE15 6US |
| MAZO-MONTOYA, Claudia, Mrs. RESIGNED | Director | 20 Oct 2023 | 11 Apr 2025 | England | June 1978 | Lands End Way, Oakham, Leicestershire, LE15 6US |
| MILES, Stephen Anthony RESIGNED | Director | 22 Aug 1997 | 27 Jan 1999 | | September 1960 | Pillings Road, Oakham, Rutland, Leicestershire, LE15 6BJ |
| O'NEILL, William Joseph RESIGNED | Director | 30 Mar 1993 | 17 May 1995 | | September 1943 | 5769 North Hill Court, Madison, Wisconsin, 53711, United States Of America |
| PROWSE, Sara Ellen RESIGNED | Director | 19 Oct 2012 | 29 Dec 2014 | United Kingdom | February 1969 | Lands End Way, Oakham, Leicestershire, LE15 6US |
| PULLEN, James Anthony, Mr. RESIGNED | Director | 13 Mar 2012 | 07 Jan 2013 | England | May 1962 | Lands End Way, Oakham, Leicestershire, LE15 6US |
| RADO, Steven RESIGNED | Director | 28 Jan 2016 | 21 May 2016 | Usa | May 1963 | Lands End Way, Oakham, Leicestershire, LE15 6US |
| RIEGER, Angela Sue RESIGNED | Director | 27 Jan 2023 | 20 Oct 2023 | United States | June 1967 | Lands End Way, Oakham, Leicestershire, LE15 6US |
| ROSERA, Michael Paul RESIGNED | Director | 19 Oct 2012 | 29 Jan 2016 | United States | September 1963 | Lands End Way, Oakham, Leicestershire, LE15 6US |
| SMITH, Michael RESIGNED | Director | 23 Feb 1995 | 27 Oct 1998 | | September 1960 | 1140 Sherman Avenue, Madison, Wisconsin, WI 53703, Usa |
| TAYLOR III, Seymour Stillman RESIGNED | Director | 10 May 2000 | 01 Sep 2003 | | March 1961 | 5409 Upland Trail, Middleton, Wisconsin, Wi 53562, Usa |
| WALKER, Richard Williamson RESIGNED | Director | | 11 Mar 1993 | | October 1933 | 39 Egerton Crescent, London, SW3 2EB |
| WILLIAMS, Dorian Robert RESIGNED | Director | 02 Sep 2014 | 21 May 2017 | United States | March 1960 | Lands End Way, Oakham, Leicestershire, LE15 6US |
| YOUNG, Philip Wentworth RESIGNED | Director | 27 Jan 1999 | 14 Mar 2005 | | April 1956 | 8418 Isaac Drive, \114, Madison, Wi, Dane 53717, Usa |
| ZENTMYER JR, David Taylor RESIGNED | Director | | 30 Mar 1993 | | November 1949 | 5101 St Cyr Road, Middleton, Wisconssin 53562, Usa |