Dr. M. Michelle Berrey, M.D., MPH, has been the Chief Executive Officer and President of Chimerix, Inc. since April 09, 2014. Dr. Berrey has been the Chief Medical Officer of Chimerix, Inc. since November 12, 2012 until September 02, 2014. Dr. Berrey served as the Chief Medical Officer of Pharmasset, Inc. from January 24, 2007 to January 2012. Dr. Berrey served as Vice President of Viral Diseases, Clinical Pharmacology and Discovery Medicine of GlaxoSmithKline. Dr. Berrey was responsible for the early development and clinical strategy of Phase I-2a studies for new targets against HIV, hepatitis viruses and hepatic fibrosis at GlaxoSmithKline. Her experience includes the design, early development, medical governance, clinical strategy and product life cycle management for antiviral products and she has simultaneously managed multiple clinical trials across all phases of development. She was a Senior Fellow in Infectious Disease Medicine at the University of Washington, Seattle, where she conducted research in HIV transmission and acute HIV infection. Dr. Berrey has been a Director of Chimerix, Inc. since June 2014. Dr. Berrey received a Master of Public Health from Emory University and she received her M.D. from the Medical College of Georgia. She completed her Internship and Residency in Internal Medicine at the University of North Carolina, Chapel Hill.