J. Duncan Higgons has served as a member of the board of directors of Jounce Therapeutics since November 2015. Mr. Higgons recently served as chief operating officer of Agios Therapeutics, Inc. from 2009 to 2016. Prior to joining Agios, Mr. Higgons served as executive vice-president, and interim president and chief executive officer at Archemix Corporation from 2006 to 2009. Prior to Archemix, Mr. Higgons served as the chief commercial officer at TransForm Pharmaceuticals, Inc., a privately-held biotechnology company, which was acquired by Johnson & Johnson Company. Mr. Higgons holds a B.Sc. in Mathematics from King’s College University of London and an M.Sc. in Economics from London Business School.