Hajo Grundmann, born in 1955, studied Sinology, Nursing and Human Medicine at the Universities of Bochum and Freiburg,Germany. He specialised in Clinical Tropical Medicine, Medical Microbiology and Hygiene & Environmental Medicine and received his PhD at the University of Freiburg, Germany and an MSc in Epidemiology of Communicable Diseases at the London School of Hygiene. He worked clinically as a medical doctor at university hospitals inFreiburg,Berlin, and Nottingham and carried out extensive field studies in Taiwan,Venezuela and Tanzania. For eight years, he was the Project Leader of the European Antimicrobial Resistance Surveillance System (EARSS) funded by the European Commission and the Dutch Ministry of Health at the Dutch National Institute for Public Health and the Environment (RIVM) were he is still in charge of the Antimicrobial Resistance and Health Care Associated Infections Programme. Currently, he is the Chair for Infectious Diseases Epidemiology at the University of Groningen where he also holds his clinical appointment. He is also Special Professor at the University of Nottingham, UK and Co-Lead for the 3rd Challenge on Patient Safety of WHO’s Global Alliance on Patient Safety. He is scientific advisor to ReAct –Action on antibiotic resistance. His major research interests are the molecular evolution, epidemiology, population dynamics and health impact of emerging antimicrobial resistance and health care associated infections. –Address: University Medical CentreGroningen, Rijksuniversiteit Groningen, Hanzeplein 1, 9700 RBGroningen, TheNetherlands.