Board of Directors

Donald Milder

Chairman of the Board
Donald Milder has served as a member of our board of directors since September 2011 and as its Chair since December 2019. In 1999, Mr. Milder co-founded Versant Venture Management, LLC, or Versant, where he has been a Managing Director since its inception. Versant is a venture capital firm that invests in medical devices, biotechnology, life science, pharmaceuticals and healthcare sectors. Previously, Mr. Milder was a Managing Director with CPVP Management LP from August 1989 to November 1999, where he was responsible for their healthcare investments. Prior to this, Mr. Milder was the Chief Executive Officer of Infusion Systems Corporation from 1984 to 1989. He currently serves as a board member for Eclipse Regenesis, Inc., Okami, NeoSeq Ltd. and Ceres Foundation. Mr. Milder received a B.A. from Union College and an M.B.A. from Harvard Business School.
Independent Director
Chairman of the Board
Member of the Compensation Committee

Jonathan Root, M.D.

Director
Jonathan Root, M.D. has served as a member of our board of directors since September 2011. Dr. Root has served as the Managing Member of Presidio Management Group X, LLC and several U.S. Venture Partners’ funds, which are the general partners of various other venture capital funds, since 1995. Dr. Root currently serves on the board of directors of two public companies – Silverback Therapeutics, Inc., a clinical stage biopharmaceutical company focused on treating cancer, chronic viral infections and other serious diseases, and Edgewise Therapeutics, a clinical stage biopharmaceutical company focused on treating severe, rare muscle disorders. Dr. Root previously served as a board member for OncoMed Pharmaceuticals, Inc., a public pharmaceutical company, from August 2004 until its merger with Mereo BioPharma Group plc in April 2019. Additionally, Dr. Root currently serves on the board of directors for several private companies in the healthcare industry. Dr. Root received an A.B. from Dartmouth College, an M.D. from University of Florida, College of Medicine and an M.B.A. from Columbia Business School.
Independent Director
Chair of the Compensation Committee
Member of the Nominating and Corporate Governance Committee

Kirk Nielsen

Director
Kirk Nielsen has served as a member of our board of directors since September 2011. Mr. Nielsen has been a Managing Partner at Vensana Capital, a medtech-focused investment firm, since January 2019, and a Managing Director of Versant Ventures, a healthcare-focused venture capital firm, since January 2011. He currently serves as a board member for several private companies including: Metavention, Monteris Medical, Respicardia, and Veran Medical Technologies. Mr. Nielsen received an A.B. from Harvard College and an M.B.A. from Harvard Business School.
Independent Director
Member of the Compensation Committee
Chair of the Nominating and Corporate Governance Committee

Cynthia Lucchese

Director
Cynthia Lucchese has served as a member of our board of directors since November 2019. Since November 2015, Ms. Lucchese has been the Chief Administrative Officer and Chief Financial Officer of Hulman & Company, a motorsports competition and entertainment company. Prior to this she was the Senior Vice President and Chief Financial Officer of Hillenbrand, Inc., a public company with multiple brands that serve a range of industries across the globe, from January 2008 until March 2014. Ms. Lucchese has experience with medical device and life sciences companies, including Guidant, Thoratec and Eli Lilly. Ms. Lucchese currently serves on the board of two public companies. Since July 2014, she has been a board member and serves as Chair of the Audit Committee and a member of the Nominating and Corporate Governance Committee of Intersect ENT, Inc., a publicly traded medical device company. Additionally, Ms. Lucchese has been a board member of Hanger, Inc., a public company that delivers orthotic and prosthetic products and patient care, since May 2015. Ms. Lucchese became a member of Hanger’s Audit Committee in November 2017 and previously was a member of the Compensation Committee. Ms. Lucchese is also a board member and Audit Committee Chair for BVI International, Inc., a privately owned global ophthalmic device company. Ms. Lucchese has a B.S. in accounting and an M.B.A. from Indiana University, Kelley School of Business.
Independent Director
Chair of the Audit Committee
Member of the Nominating and Corporate Governance Committee

Catherine Szyman

Director
Catherine Szyman has served as a member of our board of directors since November 2019. Since January 2015, Ms. Szyman has been the Corporate Vice President of Critical Care at Edwards Lifesciences Corp., a public company specializing in artificial heart valves and hemodynamic monitoring. Prior to this, Ms. Szyman worked at Medtronic from August 1991 to December 2014, where she held a number of roles, including President of Global Diabetes, Vice President of Corporate Strategy and Business Developments, Vice President and General Manager for the endovascular business and Vice President of Finance for the vascular business. Ms. Szyman currently serves on the board of director of Endotronix, Inc., a private medical device company, Opus College of Business at the University of St. Thomas and the American Heart Association, a non-profit organization that funds cardiovascular medical research. Ms. Szyman has a B.A. from University of St. Thomas and an M.B.A. from Harvard Business School.
Independent Director
Member of the Audit Committee

Bill Hoffman

Chief Executive Officer
Bill has focused on early stage companies with novel devices in new markets. Prior to Inari Medical, Bill served as CEO of Visualase, Inc., which developed and sold lasers for minimally invasive neurosurgery. The company was acquired by Medtronic for $105M in July, 2014, having raised less than $10m in equity funding. Prior to Visualase, Bill was Vice President of Sales at FoxHollow, Inc., helping to build a commercial team and revenue ramp that led to a successful IPO in 2004 and an acquisition by EV3 in 2007. Bill’s first early stage med tech experience was as head of sales at RITA Medical Systems, an interventional oncology company that enjoyed a successful IPO in 2000. He spent the early part of his career in various sales roles at Ethicon and Medtronic.

Rebecca Chambers

Director
Ms. Chambers has served as member of our board of directors since June 2021. Since July 2021, Ms. Chambers has served as the Chief Financial Officer and Executive Vice President of Veracyte, Inc., a NASDAQ listed global genomic diagnostics company. From June 2019 to July 2021, Ms. Chambers served as the Chief Financial Officer of Outset Medical, Inc., a NASDAQ listed medical technology company pioneering a novel technology to reduce the cost and complexity of dialysis. Prior to that, she was at Illumina, a NASDAQ listed genetic tools company, where she served in a number of roles: as the Vice President, Financial Planning and Analysis from July 2017 to May 2019, as Vice President, Investor Relations and Treasury from April 2015 to June 2017, and as Senior Director, Investor Relations from October 2012 to April 2015. Previously, Ms. Chambers served as Head of Investor Relations and Corporate Communications at Myriad Genetics, a NASDAQ listed molecular diagnostic company, from January 2011 to October 2012, and in various roles in investor relations at Life Technologies, a biotechnology company, from May 2009 to December 2010. She also previously held positions with Bank of America, a financial services company, and Millennium Pharmaceuticals, a biopharmaceutical company that was acquired by Takeda Pharmaceuticals Co. Ms. Chambers holds a B.S. from John Carroll University and an M.B.A. from The S.C. Johnson Graduate School of Management, Cornell University.
Independent Director
Member of the Audit Committee