Mr. Smither also served in various roles at Amgen, including vice president of finance and administration for Amgen's European Division, head of internal audit, and executive director of corporate accounting. Prior to joining Amgen, he served as an audit partner at Ernst & Young LLP, a public accounting firm. He also served on the Board of Directors and Audit Committee Chairman of Achaogen, Inc., and currently serves on the Board of Directors and Audit Committee Chair of eFFECTOR Therapeutics. Mr. Smither holds a Bachelor of Science in Business Administration from California State University, Los Angeles. Mr. Smither is a Certified Public Accountant (inactive) and a member of the American Institute of Certified Public Accountants, the California Society of Certified Public Accountants and Financial Executives International.