Under the mentorship and supervision of Harvard Medical School faculty, the fellow will develop their career skills and expertise in conducting database research (e.g., analysis of existing cohort study or real-world datasets, such as administrative claims or electronic health records) on older adults with cardiovascular disease. Leadership: Has abilities to identify and address areas of inefficiencies in the research process and train other team members (e.g., research assistants, research associates, data scientists, and researchers) to maximize the team performance and productivity.