Kostas graduated from the Aristotle University of Thessaloniki in 1989. He has completed a PhD and a residency in Feline Gastroenterology and then a residency in Clinical Pathology at the Bristol Veterinary School where he was then a Senior Lecturer in Veterinary Clinical Pathology for 20 years. After leaving academia, Kostas has been the Head of Clinical Pathology at Axiom Veterinary Laboratories and Finn Pathologists (CVS UK), senior clinical pathologist and the scientific standards coordinator for IDEXX Laboratories (UK) and the Head of Clinical Pathology at Lab Services (Medivet UK). Kostas is the current President of the European College of Veterinary Clinical Pathology and works as a clinical pathologist at the Diagnostic Laboratories, Langford Vets, Bristol Veterinary School.