Jaap Wagenaar was trained as veterinarian and completed his PhD study at Utrecht University and the USDA-National Animal Diseases Center, Ames, IA, US. He worked at the reference institute of the Dutch Ministry of Agriculture in Lelystad, with WHO (Geneva, Switzerland), CDC (Atlanta, US) and USDA (Albany, Ca, US). In 2006 he was appointed as chair in Clinical Infectious Diseases at the Faculty of Veterinary Medicine, Utrecht University, the Netherlands. The main topics of his research are on antimicrobial resistance and on Campylobacter. He is member of the WHO-Global Foodborne Infections Network, a global capacity building network. As member of the scientific panel of the Netherlands Veterinary Medicines Institute he was involved in the major reduction of antimicrobial use in livestock. He is member of the Technical Advisory Group of the Fleming Fund. He is director of the WHO Collaborating Center for Campylobacter and Antimicrobial Resistance from a One Health perspective, and the OIE-reference laboratory for Campylobacteriosis, and is acting frequently as expert for WHO, FAO and OIE.