Professor Day is Pro-Vice-Chancellor of the Faculty of Medical Sciences at Newcastle University. He qualified from Cambridge in 1983 and subsequently trained in General Medicine and Hepatology in Newcastle, becoming a Consultant Hepatologist on the Liver Unit at the Freeman Hospital Newcastle upon Tyne in 1994 and Professor of Liver Medicine at Newcastle University in 2000. His research interests are focused largely on fatty liver disease related both to obesity and to alcohol with additional interests in drug-induced liver injury and liver fibrosis. He is a Fellow and Councillor of the Academy of Medical Sciences and an NIHR Senior Investigator. He is also Co-Editor for the Journal of Hepatology, and is a member of the Council of MRC and the Executive of the Medical Schools Council. Outside of work, he is a father of three children and a keen sportsman with particular interests in running, football, tennis and rugby.