Stefan Unterer is Professor of Small Animal Internal Medicine and Director of the Small Animal Internal Medicine Clinic at the Vetsuisse Faculty Zurich, Switzerland. He completed his internship and residency in small animal internal medicine at the University of Zürich,Switzerland and University of Georgia,USA. Stefan Unterer became board-certified by the European College of Veterinary Internal Medicine in 2003. After one year in private practice, he returned to academia and became a faculty member at the University of Munich/Germany. He finished his habilitation thesis in 2016. Stefan Unterer is member of the Comparative Gastroenterology Society (CGS), the European Society of Comparative Gastroenterology (ESCG), and the Society of Comparative Hepatology. He supports the Examination Committe of the European College of Veterinary Internal Medicine.

His clinical research projects include the intestinal microbiome, acute hemorrhagic diarrhea in dogs, intestinal barrier function and longterm consequences of acute enteritis.