ROCKVILLE, Md., July 20, 2012 (GLOBE NEWSWIRE) -- Supernus Pharmaceuticals, Inc. (Nasdaq:SUPN) today announced that Dr. Stefan Schwabe MD, PhD has joined the Company as Executive Vice President of Research and Development and Chief Medical Officer. In this role, Dr. Schwabe will be responsible for product development activities including Clinical, Regulatory, and Pharmaceutical Sciences for Supernus’ pipeline products.