Jeremy A. Rassen, MS, ScD is a pharmacoepidemiologist with nearly 25 years of academic and industry experience. He is Co-Founder, President and Chief Science Officer at Aetion, a health care technology company that delivers real-world evidence for life sciences companies, payers, providers, and regulatory agencies. Dr. Rassen leads Aetion’s efforts to designing scale scientific products and methodologies for obtaining valid answers on treatments, costs, and outcomes from real-world data. Prior to Aetion, Dr. Rassen was Assistant Professor of Medicine at Harvard Medical School, where he focused on methods for improving the quality and validity of studies based on real-world data. Before coming to Harvard, Dr. Rassen worked in Silicon Valley in a variety technology companies, focusing on high-performance software for the creation and analysis of large databases. Dr. Rassen received his bachelor’s degree in Computer Science from Harvard College and his masters and doctorate degrees in Epidemiology from the Harvard T.H. Chan School of Public Health.