Shelley Thunen has served as a member of our board of directors and as chair of the audit committee since July 2015. Since January 2016, Ms. Thunen has served as the Chief Administrative Officer and Chief Financial Officer of RxSight, Inc., a medical device company. From January 2013 to October 2015, Ms. Thunen served as the Chief Financial Officer and Corporate Secretary of Endologix Inc., a medical device company. From August 2010 to December 2012, Ms. Thunen served as Associate General Manager of LenSx, Inc., an indirect wholly-owned subsidiary of Alcon, Inc., a developer and manufacturer of vision care products, which Novartis International AG acquired in April 2011. From April 2008 to August 2010, Ms. Thunen served as a board member and chair of the audit committee and from November 2009 to August 2010, Ms. Thunen served as Chief Financial Officer and Vice President, Operations of LenSx, Inc., which Alcon, Inc. acquired in August 2010. Prior to LenSx, Inc., Ms. Thunen served in a variety of management and executive roles at public and private medical device companies. Ms. Thunen received a B.A. in economics and an M.B.A. from the University of California, Irvine.