Robert J. Dempsey, MD, FAANS, is the Manucher Javid professor and chairman of the department of neurosurgery at the University of Wisconsin. He specializes in cerebrovascular surgery of intracranial aneurysms, carotid endarterectomy and brain tumors, and co-directs the U.W. stroke program. With over 35 years of NIH funding, Dr. Dempsey has multiple research projects with a focus on cerebral ischemia, vascular cognitive decline, and repair of the injured brain with over 300 publications and over 90 research grants.