Portola Pharmaceuticals, Inc.® announced the appointment of John B. Moriarty, J.D., as executive vice president and general counsel, effective immediately. Mr. Moriarty will report to William Lis, chief executive officer, and will serve as Portola’s chief legal officer, responsible for leading all legal, regulatory, governance and compliance initiatives. He also will be directly involved in strategic business transactions and corporate expansion as a member of Portola’s Executive Committee. Mr. Moriarty joins Portola from Alexion Pharmaceuticals where, as executive vice president and general counsel for more than five years, he was responsible for overseeing all global legal matters spanning 50 countries, as well as managing Alexion’s Global Government Affairs and Global Corporate Communications teams during his tenure. Previously, he was senior vice president, general counsel and chief legal officer at Elan Corporation plc, and served as a member of Elan’s Executive Management team.