NEW HAVEN, Conn., May 15, 2007 (PRIME NEWSWIRE) -- Achillion Pharmaceuticals, Inc. (Nasdaq:ACHN), a leader in the discovery and development of small molecule drugs to combat the most challenging infectious diseases, today announced the appointment of Robert L. Van Nostrand to its Board of Directors. Mr. Van Nostrand, who is Senior Vice President and Chief Compliance Officer of OSI Pharmaceuticals, Inc., brings extensive experience in corporate accounting, finance and compliance, and will serve on Achillion's audit committee.
