Dr. James H. Thrall is a Director and a member of the Nominating and Corporate Governance Committee and the Chair of the Science and Technology Committee, serving on the Board of Directors since February 2018. Dr. Thrall currently holds the Juan M. Taveras Professorship of Radiology at Harvard Medical School, having also served as Chairman of the Department of Radiology at the Massachusetts General Hospital from 1988 until 2013. Previously, Dr. Thrall served as Chairman of Radiology at the Henry Ford Hospital between 1983 and 1988, where he also served as a Physician Trustee and held the position of Vice Chairman of the Board of Governors of the Henry Ford Medical Staff. Dr. Thrall is a member of the National Academy of Medicine and has served in leadership and board of directors positions at many U.S. and international medical and professional societies. Dr. Thrall received his M.D. from the University of Michigan in 1968 and trained in Radiology and Nuclear Medicine at the Walter Reed Army Medical Center, Washington, D.C. Dr. Thrall returned to the University of Michigan in 1975 and was promoted to Professor in 1981.

Gary J. Pruden is a Director and a member of the Audit Committee and the Compensation Committee, serving on the Board of Directors since February 2018. Most recently, Mr. Pruden held a number of senior commercial leadership positions across both the medical device and pharmaceutical sectors of Johnson & Johnson (“J&J”) from 1985 until 2017. In April 2016, Mr. Pruden was appointed as a member of the Executive Committee of J&J, where his official title was Executive Vice President, Worldwide Chairman, Medical Devices. Prior to that, he held roles of increasing responsibility within J&J, serving as Worldwide Chairman in the Medical Devices division from 2015 to 2016, as Worldwide Chairman of Global Surgery Group from 2012 to 2015, as Company Group Chairman of Ethicon, Inc. from 2009 to 2012, as Worldwide President of Ethicon, Inc., a J&J subsidiary, from 2006 to 2009, and as President of the J&J subsidiary, Janssen-Ortho Inc. in Canada, from 2004 to 2006. Mr. Pruden has also served in several capacities, including Chairman of Technology & Regulatory Committee and Executive Committee Member with the Advanced Medical Technology Association, a medical device trade association. Mr. Pruden currently serves on the Board of Directors of Motus GI Holdings, Inc. Mr. Pruden received his Bachelor of Science in Finance at Rider University, where he later served on the Board of Trustees from 2011 until 2015.