After graduating from the Ecole Nationale Vétérinaire of Alfort in 1977, Patrick Nguyen worked as an Assistant in the Department of Nutrition for two years before joining the Ecole Nationale Vétérinaire of Nantes. In 1982 he passed his Agrégation in Nutrition to become a teacher. He obtained an Authorization to Direct Research at the Université de Nantes and became a Diplomate of the European College of Comparative Veterinary Nutrition (ECVCN). Principle assessor of the Ecole Vétérinaire of Nantes in 1992 - 1996, he became the head of the Nutrition and Food Unit, and has also headed the Biology and Pharmacology Department since 2001. Patrick is responsible for the teaching and research programs in nutrition. His primary field of research is obesity and insulin resistance in companion animals, in association with the Centre de Recherche de Nutrition Humaine in Nantes. He is also involved in research projects on the effects of neutering in cats and on the digestive sensitivity of large-breed dogs. Patrick has more than 100 publications and papers. He became the President of ECVCN in 2004.