Ronald Corbee is an employee of the University Clinic for Companion Animals since 2008. After becoming a Diplomate of the European College of Veterinary and Comparative Nutrition in Zaragoza on September 13th 2011, he works as specialist in Clinical Nutrition of Companion Animals. He teaches Clinical Nutrition, runs the pet obesity clinic and provides nutritional advice. For clinicians and practitioners he has a nutrition consultation service for nutritional advice, ration calculation, and parenteral nutrition.