MELVILLE, N.Y.--(BUSINESS WIRE)--OSI Pharmaceuticals, Inc. (NASDAQ: OSIP) announced today that Michael Atieh, Executive Vice President and Chief Financial Officer of OSI Pharmaceuticals, will present at the Wachovia Healthcare Conference in Boston, MA on Wednesday, January 30, 2008 at 10:15am (Eastern Standard Time). Mr. Atieh will provide an overview on the Company’s product portfolio and business developments.