Prof. S. Claiborne Johnston University of California, San Francisco, USA

S. Claiborne Johnston is Professor of Neurology and Epidemiology at the University of California, San Francisco, where he also directs the Stroke Service. He received an MD from Harvard Medical School and a PhD in epidemiology from the University of California, Berkeley. Clay studies stroke prevention, with a particular emphasis... read moreon transient ischemic attack (TIA) and also on subarachnoid hemorrhage. He recently received the Feinberg Award from the American Heart Association for Excellence in Clinical Stroke.