Dr. Lin is a Pharmacoepidemiologist in the Division of Pharmacoepidemiology and Pharmacoeconomics at the Brigham and Women’s Hospital and a practicing hospitalist at the Massachusetts General Hospital. He is an Assistant Professor at Harvard Medical school and the Executive Director of the Mass General Brigham (MGB) Center for Integrated Healthcare Data Research. In this role, he has built a highly valuable research database, linking multiple health insurance claims data with a variety of clinical data from electronic health records of the MGB institutions. Leading a team of investigators, research scientists, and administrators, he has built an efficient infrastructure that makes these rich data sources readily available for researchers at Harvard Medical School to facilitate scientific discovery. As Principal Investigator of three NIH-funded R01 research projects (1R01LM012594, 1RF1AG063381 [1R01AG063381], and 1R01LM013204), his research has focused on optimal prescribing in vulnerable populations using large routine-care databases and to establish a rigorous and generalizable framework to optimize validity and precision of comparative effectiveness research with detailed evaluation of treatment effect heterogeneity using electronic health records and insurance claims data.