Faculty Directory

Xiaojuan Li


Xiaojuan Li, PhD, MSPH is an Instructor in the Department of Population Medicine at Harvard Medical School and Harvard Pilgrim Health Care Institute. Her research interest is in generating valid and actionable evidence regarding the uses, benefits, and harms of medical treatment from real-world data to inform clinical decisions and healthcare delivery. Dr. Li has expertise in large electronic healthcare databases, advanced pharmacoepidemiologic and causal inference methods, and comparative effectiveness research. She has training and extensive experience in the use of high-dimensional electronic health data, including administrative claims and electronic health records, to assess effects of complex treatments. Dr. Li has developed an innovative research program in Alzheimer’s disease and related dementias (ADRD), leveraging her expertise in pharmacoepidemiology and causal inference. She is PI of an NIA-funded project to optimize the use of symptomatic dementia drugs in persons living with ADRD (R03AG070661). She is also PI of a new Demonstration Project Co-CARE-AD, supported by the NIA IMPACT Collaboratory, for an embedded pragmatic clinical trial to evaluate the effectiveness of a multicomponent care coordination program for community-dwelling members living with ADRD and their care partners.

Dr. Li received her doctoral degree in Epidemiology from the University of North Carolina at Chapel Hill and completed a postdoctoral fellowship at the Department of Population Medicine.