Dr Jeffrey K. Aronson is a consultant clinical pharmacologist and physician in the Department of Primary Health Care in the University of Oxford and a consultant physician in the Oxford Radcliffe Hospitals Trust. He has been associated with the Meyler series since 1977 and has published many research papers on adverse drug reactions. He is President of the British Pharmacological Society and serves on many committees concerned with drug therapy, including the Technology Appraisal Committee of the UK’s National Institute for Health and Clinical Excellence (NICE) and the Joint Formulary Committees of the British National Formulary and the British National Formulary for Children.