Dr. Epstein is an epidemiologist and strategic consultant to life sciences companies and serves on the board of directors of Illumina, Inc., Veracyte, Inc., a molecular diagnostic company, Proteus Digital Health, Inc., a healthcare technology company, and Decipher Biosciences, a urologic cancer diagnostics company. From 2010 to 2012, Dr. Epstein served as president of the Medco-UBC Division and as Chief Research and Development officer of Medco Health Solutions, Inc., a managed healthcare company. In these roles, Dr. Epstein was responsible for all of Medco’s clinical research initiatives, including the Medco Research Consortium and United BioSource Corporation. Dr. Epstein served as Medco’s Chief Medical Officer from 1997 to 2010, leading formulary development, clinical guideline development, drug information services, personalized medicine program development, and client analytics and reporting. Dr. Epstein is the former President of the International Society of Pharmacoeconomics and Outcomes Research (ISPOR), and served on the board of directors of the Drug Information Association (DIA) and the International Society of Quality of Life, and was also elected to the AHRQ CERT (Centers for Education and Research on Therapeutics) Committee. Dr. Epstein holds a B.S. and an M.D. from the University of Michigan and an M.S. from the University of Maryland.