Dr. Karen Sims joined Arbutus in April 2017 and held positions of increasing seniority, including most recently as Vice President, Clinical Development, before being promoted to Chief Medical Officer. Dr. Sims is a board-certified infectious disease physician with more than 12 years of industry experience in conducting and overseeing early stage through global Phase 2 clinical trials. Prior to joining Arbutus, Dr. Sims held multiple positions during her seven-year tenure at Bristol-Myers Squibb (NYSE: BMY). Most recently she served as Medical Director in the Virology and Immunoscience therapeutic areas where she oversaw Phase 1 and 2 studies in the HCV direct-acting antiviral program and several HIV discovery programs, as well as support for HIV marketed products. Prior to joining BMS, Karen was an Attending Physician and Instructor in Medicine at the Hospital of the University of Pennsylvania, with a focus on solid organ transplant infectious disease, HIV clinical care and translational research in lung transplantation. Dr. Sims obtained her BS in Biological Psychology at Bates College, her PhD in Neuroscience from the University of Pennsylvania, and received her MD from the University of Pennsylvania School of Medicine. Karen completed her Internal Medicine and Infectious Diseases training at the Hospital of the University of Pennsylvania.