| EDMONDSON, William Somerville ACTIVE | Secretary | 05 Aug 2026 | | | | 21, Cromwell Road, Henley-On-Thames, RG9 1JH, England |
| CLEMINSHAW, Richard Albert ACTIVE | Director | 20 Apr 2014 | | England | November 1943 | Barn House, Church Street, Kilham, Driffield, North Humberside, YO25 4RG, England |
| EDMONDSON, William Somerville ACTIVE | Director | 24 Dec 2004 | | United Kingdom | February 1969 | 21, Cromwell Road, Henley-On-Thames, Oxon, RG9 1JH |
| HEPWORTH, John Peter ACTIVE | Director | 01 Apr 2007 | | England | October 1961 | Manor House, Shire Garth, Welbury, Northallerton, North Yorkshire, DL6 2SS, England |
| MACJANNETTE, Barrie ACTIVE | Director | | | United Kingdom | September 1946 | Larchfield, Abbey Road, Knaresborough, North Yorkshire, HG5 8HX, England |
| MCILROY, Katie Louise ACTIVE | Director | 20 Apr 2025 | | England | August 1974 | 32, Adey Road, Lymm, WA13 9QX, England |
| POCHIN, Felicity Frances ACTIVE | Director | 30 Sep 2021 | | England | May 1973 | Nicholaston Lodge, Cross Lanes, Tarvin, Chester, CH3 8NQ, England |
| FARMER, Andrew Peter RESIGNED | Secretary | 01 Jan 2012 | 05 Aug 2026 | | | 21, Cromwell Road, Henley-On-Thames, RG9 1JH, England |
| ROBERTS, George Alan RESIGNED | Secretary | | 31 Dec 2011 | | | Manor Farm High Fold Lane, Keighley, West Yorkshire, BD20 6ES |
| CROOK, Maurice Anthony RESIGNED | Director | | 22 Apr 2005 | | November 1918 | 4 Westfield Park, Wakefield, West Yorkshire, WF1 3RP |
| EDMONDSON, Robert Somerville, Dr RESIGNED | Director | | 20 Apr 2014 | United Kingdom | August 1937 | 17, Park Parade, Harrogate, North Yorkshire, HG1 5AF, United Kingdom |
| FARMER, Andrew Peter RESIGNED | Director | 06 Nov 2000 | 30 Sep 2021 | United Kingdom | May 1946 | Gisburn House, 65a Bidston Road, Oxton, Merseyside, CH43 6TR |
| FARMER, Edward Desmond, Professor RESIGNED | Director | | 07 Oct 1999 | | April 1917 | Heath Moor, Beacon Lane, Heswall, Wirral Merseyside, L60 0DG |
| PERKS, Catherine Charlotte RESIGNED | Director | 13 Apr 2003 | 01 Apr 2007 | | March 1959 | 6 Lander Close, Milton, Cambridgeshire, CB4 6EB |
| PERKS, Norman RESIGNED | Director | | 01 Dec 1991 | | March 1928 | Stretton Lodge, Princethorpe, Rugby, Warwickshire |
| PERKS, Simon James Knowles RESIGNED | Director | 24 Mar 2002 | 13 Apr 2003 | | September 1962 | Le Bourg, 86510 Brux, France |
| THORPE, William Anthony Hamilton RESIGNED | Director | | 24 Dec 2004 | United Kingdom | June 1947 | Roach Road, Samlesbury, Preston, PR5 0RB |
| WEBSTER, Judith Anne RESIGNED | Director | 20 Mar 2006 | 20 Apr 2025 | United Kingdom | April 1941 | 21, Adey Road, Lymm, Cheshire, WA13 9QX, England |