Po-Shun Lee, M.D.

Executive Vice President, Chief Medical Officer

Dr. Lee has been serving as our Executive Vice President since December 2015 and Chief Medical Officer since May 2015. He previously served as our Senior Vice President, Clinical Development from May 2015 to December 2015 and as our Vice President, Clinical Development from November 2014 to May 2015. From February 2013 to November 2014, he served as Translational Medicine Expert at the Novartis Institute for Biomedical Research. From August 2010 to January 2013, Dr. Lee served as the Associate Medical Director at Vertex Pharmaceuticals Incorporated (NASDAQ: VRTX) where he supported the clinical development and registration of Kalydeco® and led a CFTR corrector program to positive proof-of-concept. From May 2005 to August 2010, Dr. Lee served as a physician-scientist at the Brigham and Women’s Hospital/Harvard Medical School. He received a B.A. in Biology from the Johns Hopkins University and an M.D. from the University of Pennsylvania.