GI Dynamics® Inc. announced that it has increased the size of the Board from four to five directors and elected Dr. Praveen Tyle, Ph.D. to fill such vacancy and serve as a Class III director to serve until the 2020 Annual Meeting of Stockholders and thereafter in accordance with the Company's Bylaws. Dr. Tyle is the executive vice president of research and development for Lexicon Pharmaceuticals, Inc. since May 2016. Dr. Tyle was previously a member of the executive management team at Osmotica Pharmaceutical Corp., serving as president and chief executive officer from January 2013 through April 2016 and prior to that as executive vice president and chief scientific officer.