Andy graduated with Distinction from the Royal (Dick) School of Veterinary Studies at the University of Edinburgh in 1976. Following completion of a Research Studentship and a subsequent two year period as a Lecture in Veterinary Surgery at the University of Edinburgh he was awarded a PhD in equine immunology and protein genetics.  After a period spent in Equine Practice in Warwickshire he returned to Scotland to take up a Partnership with the McKenzie, Bryson and Marshall in Ayrshire. Now retired from practice Andy is based in Angus, Scotland and is focusing on referral eye cases and teaching. His primary and long term clinical interest is in Equine Ophthalmology, in particular ocular immunobiology. Andy has co-authored several textbooks on the subject in addition to having been sole or senior author of over 30 peer reviewed papers, and in 1991 was awarded the BEVA Richard Hartley Clinical Prize for published work. He was awarded Fellowship of the Royal College of Veterinary Surgeons in 1994, and in 2004 became a Diplomate of the European College of Equine Internal Medicine. In 2011 he became one of only two individuals to be awarded honorary Membership of the American College of Veterinary Ophthalmologists. In 2012-2014 he was President of the International Equine Ophthalmology Consortium (IEOC). Andy is an honorary faculty member of both the University of Edinburgh and University of Glasgow Veterinary Schools, and has lectured regularly both in the UK and internationally.