Michael D. Kishbauch has served as a member of our Board of Directors since April 2016. Mr. Kishbauch previously served as President and Chief Executive Officer of Achillion Pharmaceuticals from July 2004 until his retirement in September 2013. Prior to that, he founded and, from 1996 to 2004, served as President and Chief Executive Officer of OraPharma, a commercial-stage pharmaceutical company focused on oral health care that was acquired by Johnson & Johnson in 2003. Mr. Kishbauch also held senior management positions with MedImmune, Inc., a biotechnology company, from 1992 to 1995. Mr. Kishbauch formerly served as a director of Achillion Pharmaceuticals, Inc., a biotechnology company, from July 2004 to January 2020, Progenics Pharmaceuticals, Inc., a biopharmaceutical company, from 2013 to 2019, and TetraLogic Pharmaceuticals Corporation from 2014 to 2016. Mr. Kishbauch holds an M.B.A. from the Wharton School of the University of Pennsylvania and a B.A. in biology from Wesleyan University.