| CASAGRANDE, Henrique Augusto ACTIVE | Director | 31 Jan 2026 | | England | March 1977 | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AJ |
| LITVIN, Dionna Kathleen ACTIVE | Director | 31 Oct 2023 | | United Kingdom | August 1970 | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AJ |
| O'SHAUGHNESSY, Peter James ACTIVE | Director | 02 Jul 2026 | | United Kingdom | June 1970 | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AJ |
| BOUW, Andreas Johannes Louis Maria RESIGNED | Secretary | 18 Apr 2005 | 16 Mar 2007 | | | Intervet Uk Limited, Walton Manor Walton, Milton Keynes, Buckinghamshire, MK7 7AJ |
| BURWOOD, Alan Edward RESIGNED | Secretary | | 18 Apr 2005 | | | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AJ |
| PLAYFORD, Richard RESIGNED | Secretary | 16 Mar 2007 | 05 Dec 2008 | | | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AW |
| VAN HEUMEN, Marcus RESIGNED | Secretary | 05 Dec 2008 | 31 Jan 2013 | | | 3, Falcon Way, Welwyn Garden City, Hertfordshire, AL7 1TW |
| BATTISON, John Robert RESIGNED | Director | 03 Jul 1995 | 01 Apr 2002 | | October 1949 | The Old School House Bucks Lane, Little Eversden, Cambridge, Cambridgeshire, CB3 7HL |
| BAXENDALE, William RESIGNED | Director | | 31 Mar 2004 | | January 1940 | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AJ |
| BOLCSKEI, Andras RESIGNED | Director | 25 Sep 2012 | 01 Oct 2015 | Belgium | March 1966 | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AJ |
| CAN TEMUCIN, Ebru RESIGNED | Director | 05 Jul 2018 | 02 Jul 2026 | United Kingdom | October 1972 | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AJ |
| CASADY, Paul Stoughton RESIGNED | Director | 01 Apr 2002 | 01 Dec 2005 | | November 1956 | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AW |
| COSTA, Andrea Frances RESIGNED | Director | 11 Dec 2014 | 05 Jul 2018 | United Kingdom | July 1974 | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AJ |
| EHREN, Stijn Michiel RESIGNED | Director | 05 Dec 2008 | 13 Dec 2011 | Netherlands | April 1968 | 3, Falcon Way, Welwyn Garden City, Hertfordshire, AL7 1TW |
| HALLAS, David Charles RESIGNED | Director | 05 Dec 2008 | 25 Sep 2012 | United Kingdom | September 1964 | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AJ |
| HARBERG JR., Allen RESIGNED | Director | 31 Jan 2013 | 03 Jun 2019 | United States | March 1971 | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AJ |
| HILADO, Maria Teresa RESIGNED | Director | 05 Dec 2008 | 02 Jul 2009 | | June 1964 | 3, Falcon Way, Welwyn Garden City, Hertfordshire, AL7 1TW |
| KALFF, Tjeerd RESIGNED | Director | | 30 Apr 1994 | | November 1939 | Sterreschansweg 75, Nijmegen 6522 Gl, FOREIGN, Holland |
| KOEHLER, Steven Hubrig RESIGNED | Director | 05 Dec 2008 | 22 Jul 2011 | Usa | August 1950 | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AJ |
| LANZ CANDURIN, Helene Tatiana RESIGNED | Director | 01 Aug 2024 | 31 Jan 2026 | England | September 1973 | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AJ |
| MCCOY JR., Barry Lee RESIGNED | Director | 03 Jun 2019 | 31 Oct 2023 | United States | May 1976 | 2, Giralda Farms, Madison, NJ 07940, United States |
| MCDOWELL, Mark Andrew Charles RESIGNED | Director | 13 Dec 2011 | 25 May 2012 | United Kingdom | January 1955 | Hertford Road, Hoddesdon, Hertfordshire, EN11 9BU |
| MEISLOCH, Karsten Clemens RESIGNED | Director | 01 Jun 2012 | 11 Dec 2014 | United Kingdom | November 1974 | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AJ, United Kingdom |
| MOEHLENBROCK, Jan RESIGNED | Director | 24 Jan 2017 | 01 Aug 2024 | England | October 1970 | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AJ, United Kingdom |
| PRECIOUS, John Frederick RESIGNED | Director | | 03 Jul 1995 | | September 1930 | Old Inn House, Holywell, St Ives, Cambridgeshire, PE1 3TQ |
| STOLP, Ruurd RESIGNED | Director | 31 May 2002 | 15 Dec 2008 | | July 1954 | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AW |
| STOLP, Ruurd RESIGNED | Director | 31 May 2002 | 31 May 2002 | | July 1954 | Roek 19, 5831, Boxmeer, Nh, Holland |
| VAN DOMMELEN, Bernadus Henricus Maria RESIGNED | Director | | 30 Apr 1994 | | April 1932 | Singel 2, Nuland, FOREIGN, Holland |
| VARVELLA VICENTE, Mauricio RESIGNED | Director | 01 Oct 2015 | 24 Jan 2017 | Italy | October 1969 | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AJ, United Kingdom |
| WETTERHAHN, Pieter Paulus RESIGNED | Director | 01 Dec 2005 | 12 Jun 2008 | | July 1958 | Walton Manor, Walton, Milton Keynes, Buckinghamshire, MK7 7AW |
| WIEDHAUP, Koenraad RESIGNED | Director | 01 May 1994 | 15 Jun 2000 | | January 1938 | Kwakkenbergweg 68, Nl 6523 Mp Nijmegen, Holland, FOREIGN |
| WILDERBEEK, Antonius Theodorus Maria RESIGNED | Director | 01 May 1994 | 31 May 2002 | | January 1950 | Bosserheide 23, Well, 5855 Ea, Netherlands |