John started learning the ropes about pigs at the age of 11. He qualified as a veterinarian in 1982. After 5 years in general practice he returned to university to complete a Leverhulme residency in pigs and the PhD in urinary tract problems of pigs at Liverpool specializing in microbiology and pathology. He has a Diploma in Pig Medicine and is a Diplomate of the European College of Pig Health Management. His is recognised by the Royal College of Veterinary Surgeons as a pig specialist and by the Australasian Veterinary College Board. He has taught production medicine at several universities: UK; Liverpool and Royal Veterinary College, London, US; North Carolina and Iowa State and in Western Australia at Murdoch and now James Cook University. John runs a consultancy practice with clients in North America, Europe, Asia, Australia and Africa. John specialises in maintaining the health of pigs through promoting excellence in stockmanship and production practices.