Jonathan is a vascular and critical care neurologist at Massachusetts General Hospital, Professor of Neurology at Harvard and Associate Member of the Broad Institute. An internationally renowned scientist, clinician, educator, mentor and visionary leader, Dr. Rosand has a track record of creating enduring multidisciplinary teams that are successfully tackling some of the most pressing challenges in brain disease. His research program in cerebrovascular health, launched over 20 years ago, has been a world leader in high-throughput genetic, imaging and epidemiological studies of stroke. In 2007 Dr Rosand launched the International Stroke Genetics Consortium to bring together the world’s pre-eminent stroke investigators and created the Cerebrovascular Disease Knowledge Portal to share data widely. After founding Mass General’s Division of Neurocritical Care and building it into one of the world’s top programs, Dr. Rosand stepped down to establish the McCance Center for Brain Health with neuroscientist Rudy Tanzi and psychiatrist Greg Fricchione. He is now leveraging his extensive global collaborations, his network of former trainees, the rigorous science performed by his team at MassGeneral-Brigham, along with the lessons he has learned from a life devoted to caring for patients, to launch the Global Brain Care Coalition. With academic medical centers and philanthropists at its core, the Coalition is an international network of members from communities, industries, and local and regional governments who have committed to a joint goal of reducing new cases of dementia, stroke and depression by 10% in ten years and 30% by 2050. Their strategy is grounded in the McCance Center’s Brain Care Score. Estimates are that ~40% of dementia, ~60% of stroke, and at least 35% of depression are preventable by modifying our risk factors. Using the Brain Care Score, the Global Brain Care Coalition aims to scale sustained lifestyle and behavioral change through its unparalleled community-engaging, holistic, cooperative approach, which is grounded in the most rigorous science. 

With his brother Eric (Law’95), Jonathan was raised in New York City and Venice, Italy in a family devoted to passionate scholarship and teaching in the humanities. His mother is the George Saden Professor Emerita of Music at Yale. His father was Columbia Art Historian David Rosand (CC’59, PhD’65, Hon’14). After graduating from Columbia College with a degree in Greek and Latin, Jonathan earned his medical degree, Alpha Omega Alpha, from the Vagelos College of Physicians and Surgeons. He then completed his internship, residency, chief residency, and clinical and research fellowships at Massachusetts      General Hospital and the Harvard School of Public Health. Jonathan and his wife, Judy Polacheck (Law’94), have two adult children.

Jonathan serves on the Board of Advisors of the Vagelos College of Physicians and Surgeons, the advisory council of Columbia’s Department of Art History and Archaeology and on the selection committee of the Andrew Mark Lippard Memorial Lecture series at VP&S, established in memory of his childhood friend, who died at the age of seven from acute brain swelling. The Rosand family and their friends endowed the David Rosand Professorship of Italian Renaissance Art History and continue to play leading roles in supporting Casa Muraro, Columbia’s Study Center in Venice, Italy.