Gregory S. Day, MD, MSc, MSCI, FAAN

Mayo Clinic

Dr. Day completed his Neurology Residency at the University of Toronto in Canada and his fellowship in memory and aging at Washington University in St. Louis in 2015. He joined the Mayo Clinic in Florida in 2020 and is currently an Assistant Professor of Neurology, Vice Chair of Research for the Department of Neurology, and Director of the Division of Behavioral Neurology. He continues his clinical research in dementia. He is particularly interested in developing and applying biomarkers to determine the causes and predict outcomes in patients with rapidly progressive dementia, including autoimmune-causes of cognitive impairment. His work is supported by a career development grant from the National Institutes of Health, and funding from the Chan-Zuckerberg Initiative, the Alzheimer’s Association and other funding partners.


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