Kim D. Blickenstaff

Mr. Blickenstaff has served as the Chairman of our board of directors since March 2020. Mr. Blickenstaff previously served as Executive Chairman of our board of directors since March 2019, and on our board of directors since September 2007. Mr. Blickenstaff also previously served as our President and Chief Executive Officer from September 2007 to March 2019. Prior to joining us, Mr. Blickenstaff served as Chairman and Chief Executive Officer of Biosite Incorporated, or Biosite, a provider of medical diagnostic products, from 1988 until its acquisition by Inverness Medical Innovations, Inc. in June 2007. Mr. Blickenstaff previously served as a director of Medivation, Inc., a biotechnology company, from 2005 to 2016, until its acquisition by Pfizer, and as a director of DexCom, Inc. (NASDAQ: DXCM), a provider of continuous glucose monitoring systems, from June 2001 to September 2007. Mr. Blickenstaff was formerly a certified public accountant and has more than 20 years of experience overseeing the preparation of financial statements. He holds a B.A. in Political Science from Loyola University, Chicago, and an M.B.A. from the Graduate School of Business, Loyola University, Chicago.