Dr. Zaccardelli served on Cempra’s board of directors starting in August 2016. He was the Acting Chief Executive Officer of Cempra from December 2016 until Cempra’s merger with Melinta. From 2004 until 2016, Dr. Zaccardelli served in several senior management roles at United Therapeutics Corporation (NASDAQ: UTHR), including chief operating officer, chief manufacturing officer and executive vice president, pharmaceutical development and operations. Prior to joining United Therapeutics, Dr. Zaccardelli founded and led a startup company focused on contract pharmaceutical development services, from 1997 through 2003. From 1988 to 1996, Dr. Zaccardelli worked at Burroughs Wellcome & Co. and Glaxo Wellcome, Inc. in a variety of clinical research positions. He also served as director of clinical and scientific affairs for Bausch & Lomb Pharmaceuticals from 1996 to 1997. Dr. Zaccardelli currently serves on the board of directors of Evecxia, Inc. and CoreRx, Inc., both privately held companies. Dr. Zaccardelli received a Pharm.D. from the University of Michigan. Among other experience, qualifications, attributes and skills, Dr. Zaccardelli’s experience in the pharmaceutical industry led to the conclusion of Cempra’s board of directors that he should serve as a director of Cempra in light of Cempra’s business and structure.