Peter qualified in medicine from the University of Edinburgh in 1987 and after completing his early postgraduate clinical training he moved to Oxford as Clinical Lecturer in Neurology in 1996. He was awarded an MRC Senior Clinical Fellowship in 1999 and set up the Stroke Prevention Research Unit in 2000, which now employs over 40 research staff. He was awarded a Professorship in 2004 and was elected a fellow of the Academy of Medical Sciences in 2008, a National Institute of Health Research Senior Investigator in 2009 and a Wellcome Trust Senior Investigator in 2011. He has published over 400 scientific papers and several books. His research interests include primary and secondary prevention of stroke, the effects of blood pressure on the brain, and the risks and benefits of aspirin.