LEXINGTON, Mass.--(BUSINESS WIRE)--Sept. 6, 2006--Cubist Pharmaceuticals, Inc. (Nasdaq: CBST) has announced the appointment of Gordon L. Archer, M.D., to its Board of Directors. Dr. Archer is Associate Dean of Research at Virginia Commonwealth University (VCU) School of Medicine, Director of the school’s M.D./Ph.D. program, and Professor of Medicine and Microbiology/Immunology.