L. John Doerr has served as one of our directors since March 2015. Mr. Doerr has been Chairman of Kleiner Perkins, a venture capital firm,since March 2016, and was previously its General Partner since August 1980. He currently serves on the board of directors of Alphabet Inc., the parent holding company of Google, Inc., and several private companies, including Amyris, Inc., a renewable products company. Mr. Doerr previously served as a director of Bloom Energy Corporation, a clean energy company, Zynga Inc., a social gaming company, QuantumScape Corporation, a renewable energy company, Coursera, an education tech company, and Amazon. He holds a B.S. in Electrical Engineering and an M.S. in Electrical Engineering and Computer Science from Rice University and an M.B.A. from Harvard Business School.