Mr. Leonhardt joined Halozyme in April 2015 as Senior Vice President, General Counsel, Chief Compliance Officer and Corporate Secretary. At Halozyme, he is responsible for all legal, compliance and intellectual property matters. Mr. Leonhardt brings more than 30 years of executive management, corporate legal, intellectual property, compliance, business development and mergers and acquisitions experience to Halozyme, with an extensive background in the biotechnology sector. Most recently, he served as Senior Vice President, Legal and Compliance, and Corporate Secretary at Amylin Pharmaceuticals, Inc., a biotech company (acquired by Bristol Myers Squibb in September 2012). Prior to Amylin, he served as Senior Vice President, General Counsel and Corporate Secretary at Senomyx, Inc., Executive Vice President, General Counsel and Corporate Secretary at Genoptix, Inc., and Senior Vice President, General Counsel and Corporate Secretary at Nanogen, Inc. Prior to Nanogen, Mr. Leonhardt held positions of increasing responsibility at Allergan, Inc. including Chief Litigation Counsel and General Counsel for European Operations. Early in his career, he was an attorney at Lyon & Lyon where he represented a number of prominent clients in the biotech, pharmaceutical and consumer products areas. Mr. Leonhardt received a B. Sc. In Pharmacy from the University of the Sciences in Philadelphia and a Juris Doctorate from USC Law School.