On June 25, 2014, the board of directors of Amyris, Inc. appointed Patrick Y. Yang, effective as of July 1, 2014, as a Class III director (whose initial term will expire at the company's annual meeting of stockholders to be held in 2016). Dr. Yang will fill the vacancy on the board created by Arthur D. Levinson's resignation on May 12, 2014. Dr. Yang served as Executive Vice President and Global Head of Technical Operations for F. Hoffmann-La Roche Ltd., where he was responsible for Roche's pharmaceutical and biotech manufacturing operations, process development, quality, regulatory, supply management and distribution functions.

Before joining Roche, Dr. Yang worked for Genentech Inc., where he most recently served as Executive Vice President of Product Operations, and was responsible for manufacturing, process development, quality, regulatory affairs and distribution functions.