SAN DIEGO--(BUSINESS WIRE)--Metabasis Therapeutics, Inc. (Nasdaq:MBRX), a biopharmaceutical company focused on the discovery, development and commercialization of novel drugs for the treatment of metabolic and liver diseases by targeting the liver and liver pathways, announced today that Dr. George F. Schreiner, chief executive officer of Raven Biotechnologies, Inc., was elected to the Company’s Board of Directors at its annual shareholder meeting held on June 1, 2007. Dr. Schreiner brings to Metabasis extensive key executive management and drug discovery and development experience amassed during his career in the biotechnology and pharmaceutical industries, as well as from his years in academic medicine.