Kori Sauser Zachrison, MD, MSc is an Associate Professor of Emergency Medicine at Massachusetts General Hospital and Harvard Medical School, and is affiliated faculty with the Onnela Lab at Harvard T. H. Chan School of Public Health. She is also the MGH Trustees Endowed Scholar in Emergency Medicine Research.

Dr. Zachrison’s research focuses on improving systems of care for time-sensitive emergency care delivery. She studies telemedicine and stroke systems of care, using innovate methods including 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 Young Investigator Award from the Society for Academic Emergency Meidcine, 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 served on expert panels (e.g., RAND, American Heart Association), served as a grant reviewer (PCORI, American Heart Association), and holds multiple leadership positions (including as Chair of the Early Career Committee for the American Heart Association Quality of Care and Outcomes Research Council). 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.

Dr. Zachrison received her AB in biochemical sciences from Harvard College, cum laude, her medical degree from the University of Southern California Keck School of Medicine, and completed her training in emergency medicine in the Northwestern University Emergency Medicine residency program. She received formal research training with a Masters in Health and Healthcare Research from the University of Michigan as a Robert Wood Johnson Foundation Clinical Scholar.


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