WATERTOWN, Mass.--(BUSINESS WIRE)--Enanta Pharmaceuticals, Inc. (NASDAQ:ENTA), a research and development-focused biotechnology company dedicated to creating small molecule drugs for viral infections and liver diseases, today announced the appointment of Lesley Russell, MBChB, MRCPb, to its Board of Directors. Dr. Russell will also serve as a member of Enanta’s audit committee and its nominating and corporate governance committee, effective as of January 1, 2017.