| CARTER, Lisa ACTIVE | Secretary | 28 Aug 2025 | | | | Centaur House, Torbay Road, Castle Cary, Somerset, BA7 7EU, England |
| HUNT, Emma Louise ACTIVE | Director | 08 Jun 2026 | | United Kingdom | December 1978 | Mwi Animal Health, Torbay Road, Castle Cary, Somerset, BA7 7EU, England |
| SHELL, Steven Daniel ACTIVE | Director | 29 Jun 2022 | | United States | May 1960 | 3041, W. Pasadena Drive, Boise, Idaho, 83705, United States |
| WHITE, Alan John ACTIVE | Director | 01 Jul 2026 | | United Kingdom | October 1971 | Centaur House, Torbay Road, Castle Cary, Somerset, BA7 7EU, United Kingdom |
| BURLEY, Graham John RESIGNED | Secretary | 01 Jul 2019 | 14 Oct 2024 | | | Centaur House, Torbay Road, Castle Cary, Somerset ,, BA7 7EU |
| DERBY, Stephen Joseph RESIGNED | Secretary | | 30 Jun 2002 | | | Dunroamin Smiths Lane, Ditcheat, Shepton Mallet, Somerset, BA4 6PR |
| GREAVES, Leslie RESIGNED | Secretary | 01 Jul 2002 | 09 Oct 2009 | | | Rowan Cottage, Doulting, Shepton Mallet, Somerset, BA4 4QE |
| PAULL, Andrew Denis RESIGNED | Secretary | 01 Jun 2015 | 30 Nov 2018 | | | Centaur House, Torbay Road, Castle Cary, Somerset ,, BA7 7EU |
| TOPPER, Brian RESIGNED | Secretary | 30 Nov 2018 | 01 Jul 2019 | | | Centaur House, Torbay Road, Castle Cary, Somerset ,, BA7 7EU |
| WEBB, Samantha RESIGNED | Secretary | 14 Oct 2024 | 28 Aug 2025 | | | Centaur House, Torbay Road, Castle Cary, Somerset, BA7 7EU, England |
| BUCKLEY, David RESIGNED | Director | 01 Oct 2005 | 18 Aug 2008 | Gb-Eng | October 1951 | The Old Barn, Sepscott Farm Shirwell, Barnstaple, Devon, EX31 4JL |
| BURLEY, Graham John RESIGNED | Director | 14 Oct 2024 | 20 Jun 2025 | England | March 1979 | Centaur House, Torbay Road, Castle Cary, Somerset ,, BA7 7EU |
| CHOU, John Gardner RESIGNED | Director | 14 Jan 2019 | 01 Jul 2022 | United States | October 1956 | 227, Washington Street, Conshohocken, Pennsylvania, 19428, United States |
| CLEARY JR, James F RESIGNED | Director | 08 Feb 2010 | 01 Jul 2026 | United States | July 1963 | 1, West First Avenue, Conshohocken, 19428, United States |
| COOPER, George Magnus RESIGNED | Director | 13 Sep 1995 | 31 Oct 2002 | | August 1948 | Park House, Marden, Hereford, Herefordshire, HR1 3EZ |
| FOSTER, Sidney Jack RESIGNED | Director | 17 Sep 1992 | 18 Aug 2008 | England | August 1940 | Amber House, Stodmarsh Road, Canterbury, Kent, CT3 4AH |
| FOSTER, Sidney Jack RESIGNED | Director | 17 Sep 1992 | 20 Sep 1993 | | August 1940 | 1 White Hill Close, Lower Hardres, Canterbury, Kent, CT4 7AQ |
| FRANKS, Phillip Howard RESIGNED | Director | 05 Dec 1991 | 31 Aug 2003 | | September 1952 | Hearne Farm, Lower Westholme, Shepton Mallet, Somerset, BA4 4HW |
| GERRING, Paul Robert RESIGNED | Director | 17 Sep 2003 | 05 Apr 2011 | England | August 1963 | Appletree Cottage, Church Lane, North Perrott, Crewkerne, Somerset, TA18 7SJ |
| GERRING, Paul Robert RESIGNED | Director | 02 Sep 2003 | 17 Sep 2003 | | August 1963 | Longacre, Queen Street, Keinton Mandeville, Somerset, TA11 6EQ |
| GOSNEY, Leana RESIGNED | Director | 20 Jun 2025 | 08 Jun 2026 | United Kingdom | October 1983 | Centaur House, Torbay Road, Castle Cary, Somerset, BA7 7EU, England |
| GREAVES, Leslie RESIGNED | Director | 16 Feb 2005 | 28 Feb 2010 | United Kingdom | December 1948 | Rowan Cottage, Doulting, Shepton Mallet, Somerset, BA4 4QE |
| GRIPPER, John Norman RESIGNED | Director | | 13 Sep 1995 | United Kingdom | December 1929 | Manor Farm, Ascott Under Wychwood, Chipping Norton, Oxfordshire, OX7 6AL |
| GUNN, Sidney Dixon RESIGNED | Director | | 04 Sep 1997 | | November 1936 | Melness, St Columb, Cornwall, TR9 6RH |
| LAWRENCE, Charles Anthony RESIGNED | Director | 16 Feb 2005 | 18 Aug 2008 | | October 1944 | 19 Allee Aes Magndlias, Biaarritz, 64200, France |
| LITTLE, Geoffrey Peter RESIGNED | Director | | 01 Oct 2005 | | July 1951 | Westover 9 Thorn Road, Bramhall, Stockport, Cheshire, SK7 1HG |
| LOPIANO, Kathleen Mcgovern RESIGNED | Director | 16 Nov 2009 | 08 Feb 2010 | Usa | February 1966 | Centaur House, Torbay Road, Castle Cary, Somerset, BA7 7EU |
| MCGINN, Colm RESIGNED | Director | 06 Apr 2011 | 15 Sep 2015 | England | June 1968 | Centaur House, Torbay Road, Castle Cary, Somerset ,, BA7 7EU |
| MCNAB, Ian RESIGNED | Director | | 18 Sep 2002 | | May 1937 | Foxhill, Closworth Road Halstock, Yeovil, Somerset, BA22 9SZ |
| NAGELE, Michael John RESIGNED | Director | | 17 Sep 2003 | | July 1942 | White Cottage, East End Weedon, Aylesbury, Buckinghamshire, HP22 4NJ |
| PAULL, Nichola Jane RESIGNED | Director | 04 Sep 1997 | 30 Aug 2006 | | January 1956 | 18 Bodmin Hill, Lostwithiel, Cornwall, PL22 0AH |
| PRAILL, Andrew Francis RESIGNED | Director | 01 Oct 2005 | 18 Aug 2008 | England | September 1949 | Enmorefields Croft Lane, Bicton Kingsland, Leominster, Herefordshire, HR6 9PP |
| RILETT, Peter John RESIGNED | Director | 01 Oct 2005 | 18 Aug 2008 | England | April 1950 | Grange Fell, Leigh Woods, Bristol, BS8 3PX |
| SHAW, Mark Jeffrey RESIGNED | Director | 26 Oct 2018 | 01 Dec 2021 | United States | August 1962 | Mwi Animal Health, 3041 W.Pasadena Dr., Boise, Idaho, Ada, 83704, United States |
| THOMPSON, Mary Patricia RESIGNED | Director | 08 Feb 2010 | 26 Oct 2018 | United States | January 1963 | 3790, S Suntree Place, Boise, Idaho 83706, United States |
| TINSLEY, David John RESIGNED | Director | 01 Jul 2019 | 14 Oct 2024 | England | January 1977 | Centaur House, Torbay Road, Castle Cary, Somerset ,, BA7 7EU |
| TOPPER, Brian RESIGNED | Director | 12 Apr 2013 | 01 Jul 2019 | England | February 1973 | Centaur House, Torbay Road, Castle Cary, Somerset ,, BA7 7EU |
| VIVIAN, Martin RESIGNED | Director | | 01 Oct 2005 | England | July 1944 | Good View, Truscott, Launceston, Cornwall, PL15 8LA |
| WADSWORTH, David Fenton RESIGNED | Director | | 16 Feb 2005 | | October 1944 | Holly Bank, Lambs Road, Thornton Cleveleys, Lancashire, FY5 5JJ |
| WAINSCOTT, Boyd Douglas RESIGNED | Director | 08 Aug 2008 | 08 Feb 2010 | Usa | January 1944 | 1016 Mollington Court,, Raleigh, Nc 27614, Usa |
| WALSBY, Jack Brian RESIGNED | Director | | 17 Sep 1992 | | May 1926 | Lullington House, Lullington, Frome, Somerset, BA11 2PG |
| WISZNIEWSKI, Adam Tomasz RESIGNED | Director | 22 Sep 2010 | 12 Apr 2013 | England | April 1970 | Centaur House, Torbay Road, Castle Cary, Somerset ,, BA7 7EU |