William J. Newell has served as Sutro Biopharma’s Chief Executive Officer and a member of the Board of Directors since January 2009. Previously, he served as the President of Aerovance, Inc., a biotechnology company focused on respiratory diseases, from 2006 to 2007. Mr. Newell has also served as the Chief Business Officer and Senior Vice President at QLT Inc., in several senior management positions at Axys Pharmaceuticals, Inc., and has experience as a corporate lawyer. He currently serves on the boards of directors of a private biotechnology company, the Biotechnology Innovation Organization’s Health Section and Emerging Company Section and the California Life Sciences Association, where he also serves as a member of the executive committee. Mr. Newell received an A.B. in Government from Dartmouth College and a J.D. from the University of Michigan Law School.