Robert S. Langer, Sc.D., has served as a member of our board of directors since September 2016. Dr. Langer has served as a David H. Koch Institute Professor at the Massachusetts Institute of Technology since 2005. Dr. Langer currently serves on the board of directors of Rubius Therapeutics, Inc., Moderna, Inc., and Puretech Health plc, and previously served on the board of directors of Momenta Pharmaceuticals, Inc., Kala Pharmaceuticals, Inc., Fibrocell Science, Inc. and Millipore Corp. Dr. Langer holds a Sc.D. in Chemical Engineering from MIT and a B.S. in Chemical Engineering from Cornell University.