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.

Brian is a native of Akron, Ohio, USA and received his veterinary degree from The Ohio State University in Columbus, Ohio. After a 1-year internship at The Animal Medical Center in New York City and a 3-year ophthalmology residency at Auburn University in Alabama, he returned to The Ohio State University as an Assistant Professor of Ophthalmology in 1992. In October of 1995, Brian joined the faculty at North Carolina State University as an Associate Professor of Ophthalmology and is now a Professor of Ophthalmology and head of clinical ophthalmology at NC State University. He is a Diplomate of the American College of Veterinary Ophthalmologists and a Diplomate of the American Board of Toxicology. Brian is the immediate past president of the American College of Veterinary Ophthalmologists. His clinical interests include treatment of equine recurrent uveitis, corneal disease, and intraocular surgery. Brian's main research interest is ocular immunology, imaging, and drug delivery. He is the author of over 100 peer-reviewed publications, 30 book chapters, and 3 books, including two editions of 'Equine Ophthalmology'. He is also the co-founder of the International Equine Ophthalmology Consortium and serves as a member of its governing board. 

Katrin graduated from vet school in Munich (Germany) in 2005. She then started to work in the Musculoskeletal Research Unit of the University of Zurich (Switzerland) where she completed her doctoral thesis in 2007. After almost 3 years of working as a veterinarian in a small animal referral clinic in Switzerland, she moved to Ivory Coast where she worked as a general vet in Abidjan. From 2011-2014 Katrin completed her alternate residency training program of the European College of Veterinary Medicine at the University of Zurich, Switzerland and Paris, France. Katrin passed her ECVO Board Exam in 2015 and is working at the Teaching Hospital at the University of Zurich as Deputy Head of Veterinary Ophthalmology. She has completed a PhD at the Graduate College of Bern, Switzerland with a focus on treatment of uveitis. Katrin has published several clinical articles in peer-reviewed journals and lectures regularly at national and international courses/conferences on veterinary ophthalmology.

Dr. McMullen began pursuing his higher education during his military service in Germany, obtaining his veterinary degree from the Ludwig-Maximilians University College of Veterinary Medicine. Dr. McMullen teaches classes in ophthalmology and conducts research in the area of vision, equine recurrent uveitis and immune mediated keratitis, particularly, novel methods of disease management by intravitreal injections and photodynamic therapy. Dr. McMullen is a Diplomate, American College of Veterinary Opthalmologists; Diplomate, European College of Veterinary Opthalmologists; Certificate of Additional Qualification, Equine Opthalmology, Zusatzeichnung Augenheilkunde – Pferde (Germany). He holds veterinary licenses in Alabama and in Germany, and has received numerous professional honors and awards in the United States and Europe.