R. Loch Macdonald, M.D., Ph.D.

Dr. Macdonald, one of our co-founders, has served on our board of directors and as our Chief Scientific Officer since inception. Dr. Macdonald is a scientist, researcher and neurosurgeon and a recognized expert on brain hemorrhage, including Delayed Cerebral Ischemia (‘‘DCI’’). For the past 20 years, his research interest has focused on improving patient outcome after brain hemorrhage, with a specific focus on developing a cure for cerebral vasospasm and DCI. From 2007 to 2015, he served as Keenan Endowed Chair, Head, Division of Neurosurgery at St. Michael’s Hospital. He is currently Professor of Neurosurgery at the University of Toronto. Prior to St. Michael’s Hospital, he was Professor of Surgery and Radiation & Cellular Oncology at the University of Chicago Medical Center. Dr. Macdonald holds an M.D. from the University of British Columbia and a Ph.D. in Experimental Surgery from the University of Alberta. He completed his Neurosurgery residency at the University of Toronto.