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Kenneth E. Ludlum has served as a member of the board of directors since May 2019. Mr. Ludlum has served on the board of over a dozen companies and currently serves on the board of directors and as Chairman of the audit committee of NATUS Medical, Inc., a medical device and equipment company. Mr. Ludlum also currently serves on the boards of other biotechnology and medical technology companies, including biotechnology company, Personalis, Inc., since 2015 and laser ophthalmic company, IRIDEX Corp., since April 2019. He has served as Chief Financial Officer for other private and publicly traded companies, including CareDx, Inc., a biotechnology company, from 2014 to 2016, and medical technology company, EndoGastric Solutions, Inc., from 2014 to 2015. Mr. Ludlum holds a B.S. in Business Administration from Lehigh University and an M.B.A. from Columbia University Graduate School of Business.