William Howard Guest Rees CB (21 May 1928 – 20 January 2018)[1] was the Chief Veterinary Officer of the United Kingdom from August 1980 to May 1988.
[2][3][4] Rees was born in Llanelli and attended the Royal Veterinary College, qualifying as a vet in 1951.
He became Chief Veterinary Officer in 1980, dealing with issues of salmonella in eggs and bovine spongiform encephalopathy in cattle.
[2] After retirement in 1988, he became president of the World Organisation for Animal Health animal health code commission.
[2] He was appointed a Companion of the Order of the Bath in the 1988 New Year Honours.