WALTHAM, Mass.--(BUSINESS WIRE)--June 12, 2006--William R. Mattson, Jr. has been elected to Oscient Pharmaceuticals Corporation’s (Nasdaq: OSCI - News) Board of Directors. Mr. Mattson, co-founder and Chairman of the Mattson Jack Group, a healthcare consulting firm, is an industry veteran with over 35 years of experience. At MJG, Mr. Mattson established one of the industry’s most trusted consultancies focused on essential aspects of the biotechnology and pharmaceutical industry: corporate development, market research, brand optimization and strategic planning.