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Frank Fischer has served as the Chairman of the board of directors since November 1997. From 2000 to July 2019, Mr. Fischer served as the 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 Heartportā€™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 has served as a member of the board of directors of Nevro, Inc., a medical device company, since 2012. Mr. Fischer received a B.S. in Mechanical Engineering and an M.S. in Management from Rensselaer Polytechnic Institute. They believe Mr. Fischer is qualified to serve on the board of directors because of his extensive experience with medical device companies and the historical knowledge and continuity he brings to the board of directors.