Professor Dirk Pfeiffer is Chow Tak Fung Chair Professor of One Health at City University’s Jockey Club College of Veterinary Medicine and Life Sciences. Dirk is also an Adjunct Professor at the China Animal Health & Epidemiology Centre, Qingdao, China. Dirk graduated from Justus Liebig University, Giessen, Germany in 1984 with a Degree in Veterinary Medicine. He went on to complete a Doctorate of Veterinary Medicine at the same university in 1986. Following this Dirk went on to do a Postgraduate Diploma in Tropical Veterinary Medicine at the Free University of Berlin, which involved fieldwork in Kenya, Somalia, Malaysia and Thailand. In 1987, Dirk moved to Massey University, New Zealand to complete a PhD in veterinary epidemiology and remained there for 11 years, where he became a Lecturer in Production Medicine and Epidemiology in 1992 and was appointed as Senior Lecturer in Veterinary Epidemiology in 1996. Dirk joined the Royal Veterinary College (RVC) of the University of London in 1999 as a Professor in Veterinary Epidemiology. From 2015 to 2017, Dirk took on the part-time role of Chief Epidemiologist at the Animal and Plant Health Agency (APHA) of the UK Government. Since November 2016, he has been Chair Professor of One Health at City University’s newly established Jockey Club College of Veterinary Medicine and Life Sciences. He continues to hold a part-time position at the RVC.