Edward Owens has served as a director since 2013. Mr. Owens was previously partner, portfolio manager and global industry analyst at Wellington Management Company, LLP where he worked in investment management beginning in 1974. He was the portfolio manager of the Vanguard Health Care Fund for 28 years from its inception in May 1984 until his retirement from Wellington in December 2012. Mr. Owens is a member of the board of Stealth BioTherapeutics. Mr. Owens has a B.S. in physics from the University of Virginia and an MBA from Harvard Business School.