Andreas Busch, Ph.D., has been appointed executive vice president, head of R&D and chief scientific officer at Shire plc. Dr. Bush will become a member of the company’s executive committee beginning in January. Howard Mayer, MD, currently serving as head of R&D on an interim basis, has been appointed chief medical officer. “Andy is an outstanding scientist with extensive experience leading research and development functions, and an established track record of building broa...