CHESHIRE, Conn.--(BUSINESS WIRE)--Alexion Pharmaceuticals, Inc. (Nasdaq: ALXN) today announced that Dr. Leonard Bell, Chief Executive Officer of Alexion Pharmaceuticals, will present at Credit Suisse’s 2009 Healthcare Conference in Phoenix, Arizona at 8:00 a.m., local time (10:00 a.m. ET) on Thursday, November 12, 2009.