Frank Fischer, age 84, has served as a member of our Board of Directors since 1997 and as the Chairman of our Board of Directors since August 2019. From 2000 to July 2019, Mr. Fischer served as our President and Chief Executive Officer and as a part-time employee of ours from July 2019 to January 2020. Prior to that, Mr. Fischer was President and Chief Executive Officer of Heartport, Inc., a medical device company, from 1998 to 1999, and served on Heartport s board of directors from 1992 to 1999. Previously, Mr. Fischer was President and Chief Executive Officer of Ventritex, Inc., a company that pioneered implantable cardiac defibrillators, from 1987 until the sale of the company to St. Jude Medical, Inc. in 1997. Mr. Fischer served as a member of the board of directors of Nevro Corp., a medical device company, from 2012 to 2024. Mr. Fischer previously served as a member of the board of directors of Tenon Medical, Inc., a medical device company, from April 2022 to December 2023. Since 2024, Mr. Fischer has served on the Board of Directors of CoMind, which is developing a non-invasive brain monitoring system, and in March 2025, Mr. Fischer was appointed as the Chairman of the Board of Directors. Mr. Fischer received a B.S. in Mechanical Engineering and a M.S. in Management from Rensselaer Polytechnic Institute. We believe that Mr. Fischer is qualified to serve on our Board of Directors because of his extensive experience with medical device companies and the historical knowledge and continuity he brings to our Board of Directors.