Deputy Director General of the Hospital,and Chair, Department of Stroke and Cerebrovascular Diseases, National Cerebral and Cardiovascular Center Specialty: stroke neurology Executive Committee member of Asia Pacific Stroke Organization Consulting editor of STROKE, American Stroke Association Board member of World Stroke Organization, Japanese Society of Neurology, Japan Stroke Society, Japanese Society of Hypertension, Japanese Society of Cerebral Blood Flow and Metabolism and Cardiovascular Stroke Society of Japan