Kori S. Zachrison, MD, MSc, is Associate Professor of Emergency Medicine at Massachusetts General Hospital (MGH) and Harvard Medical School and affiliated faculty with the Onnela Lab at Harvard T.H. Chan School of Public Health. She completed her undergraduate degree at Harvard College, cum laude,her medical degree at the Keck School of Medicine of the University of Southern California, and her residency at Northwestern University. Dr. Zachrison then completed fellowship in the Robert Wood Johnson Foundation Clinical Scholars Program at the University of Michigan, earning a Masters of Science in Health and Healthcare Research, prior to joining the faculty at MGH in 2014. 

Dr. Zachrison’s academic focus is on improving systems of care for time-sensitive emergency care delivery. She studies telemedicine and stroke systems of care; her approach includes applications of network science and mathematical decision modeling. She has been continuously funded as principal and co-investigator on grants including from the Agency for Healthcare Research and Quality, the National Institute of Neurological Disorders and Stroke, the American Heart Association, and the Emergency Medicine Foundation. She has won multiple research awards, including the SAEM Young Investigator Award, the Young Investigator Award at the American Heart Association Quality of Care and Outcomes Research Meeting, and the Stroke Tank: Pitch it to the Judges! Competition at the American Heart Association NorthEast Cardiovascular Consortium Annual Summit.

 Dr. Zachrison has also been committed to improving the quality of stroke care delivery regionally and nationally. She works closely with the Massachusetts Department of Public Health on statewide quality improvement initiatives, and serves as co-lead of a national stroke quality improvement initiative through the American College of Emergency Physicians Emergency Quality Network (E-QUAL). She enjoys mentoring students, residents, fellows, and junior faculty and her mentees have earned abstract awards, first-authored publications, and received an Emergency Medicine Foundation Resident Research Grant.

Kori Zachrison is a 2021 grantee of the Robert Wood Johnson Foundation's Health Data for Action program, managed by AcademyHealth.