| BREWSTER, Christopher ACTIVE | Secretary | 21 Jun 2012 | | | | Animalcare, Moorside, Monks Cross, York, YO32 9LB, United Kingdom |
| BREWSTER, Christopher James ACTIVE | Director | 21 Jun 2012 | | United Kingdom | February 1976 | Animalcare, Moorside, Monks Cross, York, YO32 9LB, United Kingdom |
| WINTER, Jennifer Ann Julia ACTIVE | Director | 01 Oct 2018 | | United Kingdom | January 1960 | Animalcare, Moorside, Monks Cross, York, YO32 9LB, United Kingdom |
| BEACOCK, Patrick RESIGNED | Secretary | | 30 Sep 1999 | | | 41 Northwood Falls, Woodlesford, Leeds, West Yorkshire, LS26 8PD |
| FAIRALL, David Lawrence RESIGNED | Secretary | 01 Oct 1999 | 31 Mar 2001 | | | 2 Four Seasons Close, Crewe, Cheshire, CW2 6TN |
| FARRELLY, Ian Brian RESIGNED | Secretary | 12 Jun 2006 | 14 Jan 2008 | | | 20, Park Avenue, Camberley, Surrey, GU15 2NG |
| HALL, Francis RESIGNED | Secretary | 01 Apr 2001 | 10 Dec 2002 | | | 58 Pillory Street, Nantwich, Cheshire, CW5 5BG |
| HALL, Stephen RESIGNED | Secretary | 14 Jan 2008 | 31 Mar 2009 | | | 14, Whitcliffe Lane, Ripon, North Yorkshire, HG4 2JL |
| MENNEER, Iain David, Dr RESIGNED | Secretary | 30 Dec 2011 | 21 Jun 2012 | | | ., Common Road, Dunnington, York, YO19 5RU, England |
| TIMMINS, David Peter RESIGNED | Secretary | 22 Jul 2004 | 12 Jun 2006 | | | Stable Cottage, Mulsford Lane, Worthenbury, Wrexham, Clwyd, LL13 0AW |
| TOBIN, John RESIGNED | Secretary | 01 Jun 2009 | 31 Dec 2010 | | | Friezland House, High Hoyland Lane, High Hoyland, Barnsley, South Yorkshire, S75 4AY |
| VICKERS, Christopher John RESIGNED | Secretary | 10 Dec 2002 | 22 Jul 2004 | | | Cross Lanes, Clandon Road, West Clandon, Surrey, GU4 7UW |
| WARNER, Peter Oluwaseyi Robert RESIGNED | Secretary | 11 Nov 2011 | 30 Dec 2011 | | | ., Common Road, Dunnington, York, YO19 5RU, England |
| WARNER, Peter Oluwaseyi Robert RESIGNED | Secretary | 31 Dec 2010 | 11 Nov 2011 | | | ., Common Road, Dunnington, York, YO19 5RU, England |
| ACTON, Thomas Philip RESIGNED | Director | 04 Aug 1999 | 14 Jan 2008 | United Kingdom | March 1958 | The Old Shop Farm, Aston By Budworth, Northwich, Cheshire, CW9 6LT |
| BODEN, Martin Brett RESIGNED | Director | 02 Apr 2007 | 14 Jan 2008 | | January 1959 | South House, The Green Adderbury, Banbury, Oxford, OX17 3NE |
| BOWEN, Richard James RESIGNED | Director | 31 Mar 2001 | 17 Mar 2003 | England | December 1957 | 4 Lakeside View, Nantwich, Cheshire, CW5 7GA |
| DENNING, Roland John RESIGNED | Director | 20 Aug 1993 | 04 Aug 1999 | England | September 1946 | Swallowfield Grange, The Street, Swallowfield, Berkshire, RG7 1RE |
| FAIRALL, Lawrence David RESIGNED | Director | 04 Aug 1999 | 31 Mar 2001 | | March 1944 | 2 Four Seasons Close, Crewe, Cheshire, CW2 6TN |
| FISHER, Ernest James RESIGNED | Director | | 01 Oct 1999 | | October 1940 | Ryde House, The Ryde, Skelton, Yorkshire, YO3 6XY |
| HALL, Stephen RESIGNED | Director | 14 Jan 2008 | 31 May 2009 | England | October 1953 | 14, Whitcliffe Lane, Ripon, North Yorkshire, HG4 2JL |
| MARQUESS OF DOWNSHIRE, Arthur Francis Nicholas Wills, Lord RESIGNED | Director | 10 Dec 2010 | 07 Jun 2022 | United Kingdom | February 1959 | Unit 7, 10 Great North Way, York Business Park Nether Poppleton, York, YO26 6RB, United Kingdom |
| MCFERRAN, Niall RESIGNED | Director | | 13 Oct 1995 | | October 1954 | 45 Station Road, Upper Poppleton, York, North Yorkshire, YO2 6PX |
| MENNEER, Iain David, Dr RESIGNED | Director | 11 Nov 2011 | 26 Apr 2018 | England | May 1970 | Unit 7, 10 Great North Way, York Business Park Nether Poppleton, York, YO26 6RB, United Kingdom |
| RABONE, Robert RESIGNED | Director | 04 Nov 1994 | 30 Sep 1999 | England | February 1954 | Walkington Park, Little Weighton Road, Walkington, Beverley, East Yorkshire, HU17 8SP |
| RICHARDSON, Grahame RESIGNED | Director | | 04 Nov 1994 | | November 1934 | Church Farm House Main Street, Stillington, York, North Yorkshire, YO6 1JS |
| RIDDELL, Simon Francis RESIGNED | Director | 14 Jan 2008 | 31 Mar 2010 | United Kingdom | February 1961 | Cheeseburn Grange, Stamfordham, Newcastle Upon Tyne, Tyne & Wear, NE18 0PT |
| ROLLER, Michael Roy David RESIGNED | Director | 17 Mar 2003 | 06 Aug 2003 | | June 1965 | Hope Cottage, Livery Road, Salisbury, Wiltshire, SP5 1RF |
| TANDY, John RESIGNED | Director | | 04 Aug 1999 | | February 1935 | Tudor House Kingsley Road, Dentons Green, St Helens, Merseyside, WA10 6JN |
| TIMMINS, David Peter RESIGNED | Director | 29 Mar 2004 | 02 Apr 2007 | | October 1952 | Stable Cottage, Mulsford Lane, Worthenbury, Wrexham, Clwyd, LL13 0AW |
| TOBIN, John RESIGNED | Director | 01 Jun 2009 | 31 Dec 2010 | United Kingdom | February 1954 | Friezland House, High Hoyland Lane, High Hoyland, Barnsley, South Yorkshire, S75 4AY |
| WARNER, Peter Oluwaseyi Robert RESIGNED | Director | 13 Oct 2010 | 11 Nov 2011 | England | June 1962 | ., Common Road, Dunnington, York, YO19 5RU, England |
| WHETSTONE, Stephen RESIGNED | Director | 04 Aug 1999 | 14 Sep 2000 | England | March 1951 | The Grange 7 Lakeside Gardens, Strensall, York, North Yorkshire, YO32 5WB |
| WILDRIDGE, Stephen Michael RESIGNED | Director | 14 Jan 2008 | 31 Oct 2013 | United Kingdom | January 1956 | Unit 7, 10 Great North Way, York Business Park Nether Poppleton, York, YO26 6RB, United Kingdom |
| WOOD, Richard Kenneth RESIGNED | Director | 23 Sep 2005 | 14 Jan 2008 | England | December 1944 | 39 Astra Court, Hythe Marina, Southampton, Hampshire, SO45 6DZ |