DVM, PhD, EBVS® European Specialist in Poultry Veterinary Science
Sjaak gained his veterinary qualification at the University of Utrecht in 1989 and completed a PhD degree concerning diagnosis and transmission of infectious bronchitis virus, in 1997 at the University of Utrecht. He is senior researcher at Royal GD and professor Integrated Poultry Health at the veterinary faculty of the University of Utrecht. Since 2023, he is president of the World Veterinary Poultry Association.
He has been actively involved in applied and fundamental research related to the diagnosis and control of poultry diseases, especially viral diseases as infectious bronchitis virus, infectious bursal disease, Newcastle Disease, and Avian Influenza.
