Diane G. Gerst has served as a member of our Board of Directors since June 2019. She previously served as our Executive Vice President of Quality Assurance and Regulatory Affairs from June 2015 until February 2018 and also served as the President of Amphastar Nanjing Pharmaceuticals Inc., one of our subsidiaries, from March 2014 until February 2018. From August 2013 to June 2015, Ms. Gerst served as our Corporate Senior Vice President of Quality Assurance. She served as Corporate Vice President of Quality Assurance from August 2003 until her promotion to Senior Vice President in August 2013 and as Vice President of Regulatory Affairs from June 2001 to July 2002. Prior to joining us, Ms. Gerst held various management level positions in regulatory and quality including eight years at Braun-McGaw and seven years at IMS. Ms. Gerst received a B.A. from the University of California, Berkeley. We believe that Ms. Gerst is qualified to serve on our Board of Directors because of her perspective, experience and leadership as a former executive of our Company. Ms. Gerst serves as chair of our nominating and corporate governance committee.