Veterinarian, graduated from Ghent University in Belgium in 1978. PhD in veterinary pathology from Ghent University in 1983. Scientific advisor for the Belgian government from 1985 till 1989. Professor at Ghent University, Belgium, since 1989. Diplomate of the European College of Poultry Veterinary Science. President of WVPA Belgian branch since 1991. Past-president of the European Society of Veterinary Pathology. Author or co-author of more than 700 scientific publications listed in the Web of Science (h-index = 56) and more than 500 abstracts in proceedings of international congresses. Invited speaker at more than 200 national and international congresses. Research interest is mainly in gastro-intestinal health, with a focus on poultry, calves and pigs. Mentor of 36 PhD theses in this field of research.