B. Kristine Johnson

Ms. Johnson has served as one of our directors since March 2017. Ms. Johnson is currently President of Affinity Capital Management, a venture capital firm that invests primarily in seed and early-stage health care companies in the United States, a position she has held since 2000. Prior to her role at Affinity, Johnson was employed for 17 years at Medtronic, serving most recently as senior vice president and chief administrative officer from 1998 to 1999. Her experience at Medtronic also includes service as President and General Manager of its vascular business and President and General Manager of its tachyarrhythmia management business, among other roles. In addition to her role at Affinity, Ms. Johnson currently serves on the Board of Directors of Piper Jaffray (NYSE: PJC) and Chair of the Investment Advisory Board of the University of Minnesota Foundation and on the boards of several private entities. Her previous public board experience includes service on the Board of Directors of Spectranetics Corporation, which was acquired by Philips, ADC Telecommunications, which was acquired by Tyco Electronics, and Pentair. Ms. Johnson received her B.A. from St. Olaf College. Ms. Johnson brings extensive knowledge of health care and medical technology industries to the Board as well as broad experience in finance and corporate governance.