Mark Goldberg, M.D. has served as a member of the board of directors since June 2015. Dr. Goldberg has served as a member of the board of directors of ImmunoGen, Inc. since November 2011, a member of the board of directors of GlycoMimetics, Inc. since July 2014 and a member of the board of directors of Idera Pharmaceuticals, Inc. since March 2014. Dr. Goldberg served as a member of the board of directors of Synageva Biopharma Corp., or Synageva, from October 2008 until November 2011, when he stepped down to become a member of the executive management team at Synageva. Dr. Goldberg served as a member of the executive management team at Synageva until late 2014, rising to executive vice president, medical and regulatory strategy. In late 2014, Dr. Goldberg stepped down from the executive management team at Synageva and continued to be employed part-time, contributing to medical and regulatory strategy until leaving Synageva in June 2015 upon its acquisition by Alexion Pharmaceuticals, Inc. Prior to joining Synageva, Dr. Goldberg served in various management capacities of increasing responsibility at Genzyme from November 1996 to July 2011, including most recently as senior vice president, clinical development and global therapeutic head, oncology, genetic health, and as chairman of Genzyme’s early product development board. Prior to joining Genzyme, Dr. Goldberg was a full-time staff physician at Brigham and Women’s Hospital and the Dana-Farber Cancer Institute, where he still holds appointments. Dr. Goldberg is a part-time Associate Professor of Medicine at Harvard Medical School and currently serves as acting chief medical officer of CANbridge Life Sciences Ltd., a privately held biopharmaceutical company. Since 2010, Dr. Goldberg has also served as a volunteer on the board of directors of the New England Division of the American Cancer Society. Dr. Goldberg received an A.B. in biochemistry and molecular biology from Harvard University and an M.D. from Harvard Medical School. We believe Dr. Goldberg is qualified to serve on the board of directors due to his extensive healthcare and regulatory experience.