Mills has extensive experience in the fields of accounting, corporate finance, strategic planning, and mergers and acquisitions. Prior to joining Amyris in 2012, Mills served as senior executive vice president of Performance & Growth at Archer-Daniels-Midland Company (ADM), a global agricultural commodity processing company. Previously, he served as ADM’s executive vice president and chief financial officer. Mills joined ADM in 1979, and served in various senior accounting and treasury roles, including 12 years as Controller.
Mills is a director and a member of the audit committee of Black Hills Corporation, a diversified energy holding company, and also serves on the boards of Illinois College, Kirby Medical Center and Hickory Point Bank & Trust.