Board of Directors

Ms. Clinton serves as Executive Vice President, General Counsel, and Secretary for Meritage Homes Corporation. Previously, she was Senior Vice President, General Counsel, and Secretary at The Aerospace Corporation. She has also served in multiple management positions at Northrop Grumman, rising through the leadership ranks to become Senior Counsel for Special Projects in the Office of the General Counsel, and worked at the law firm Tuttle and Taylor. Since 2016, Ms. Clinton has served on the board of City of Hope, a leading independent research and treatment center for cancer, diabetes and other life-threatening diseases. She also is a board member of the Arizona State University Foundation. Ms. Clinton holds a Bachelor of Science degree in Political Science and Government from Arizona State University and received her Juris Doctor from the Stanford Law School.

Previously, Mr. Curran was a Director of Profound Medical, a public company developing a treatment for prostate cancer using ablative ultrasound and guided by magnetic resonance imaging and thermometry. Mr. Curran also served as non-executive Chairman and Director of Resonant Medical, an early-stage privately owned company specializing in three-dimensional ultrasound image-guided adaptive radiotherapy products, until May 2010 at which time Resonant was sold to Elekta A.B. He also served until May 2009 as a director of Ventracor, a global medical device company which produced an implantable blood pump, at which time the directors brought in an administrator under Australian law. For more than five years prior to 2004, he held diverse functional and senior management positions with Philips Electronics and Philips Medical Systems. His experience at Philips Medical Systems, a medical device manufacturer, included positions as Chief Operating Officer and Chief Financial Officer, and while at Philips Electronics North America he served as President and Chief Executive Officer as well as Chief Financial Officer. Mr. Curran brings to our Board wide experience in operations, finance and executive management both in the United States and abroad.

Claudia Napal Drayton serves as the Chief Financial Officer of Quantum-Si, a life sciences company focused on technology related to protein sequencing and genomics for the healthcare industry. She began her career in public accounting with Arthur Andersen LLP and then moved to Medtronic, a global leader in medical devices, where she held positions of increasing responsibility in the finance organization over her 15-year tenure. These included Chief Financial Officer for both the Peripheral Vascular and the Integrated Health Solutions business units. Ms. Drayton also served as the Chief Financial Officer of Nuwellis, Inc., a publicly traded medical device company. These leadership roles provided tremendous exposure to all aspects of a successful and disciplined healthcare business, including international operations gained through her ex-patriot assignment in Europe with Medtronic. Ms. Drayton received a master’s in business administration from the University of Minnesota’s Carlson School of Management and a Bachelor of Science from the University of Mary Hardin-Baylor.

Mr. Erickson has been President and Chief Executive Officer of ECG Ventures, Inc., an investment firm, since 1987. He has also served as Chairman of Western Dental Services, Inc., a dental services provider, from November 2012 to September 2015; Interim Chief Executive Officer of Western Dental Services, Inc. from April 2013 to January 2014 and Chairman of the Board of Inmar, Inc., a reverse logistics and revenue recovery company, from April 2010 to February 2014. Mr. Erickson has also served as a Senior Advisor to New Mountain Capital, LLC, a private equity firm; Chairman and Interim President of National Medical Health Card Systems, Inc., a publicly traded pharmacy benefits manager; Chairman of the Board of PathWays, Inc., an operator of post-acute care facilities; Chairman of the Board of TransHealthcare, Inc., a health care services company; Chairman and Interim Chief Executive Officer of LifeCare Holdings, Inc., an operator of long-term acute care hospitals; Interim President and Chief Executive Officer of Luminex Corporation, a publicly traded biotechnology company; and Interim President and Chief Executive Officer of Omega Healthcare Investors, Inc., a publicly traded healthcare-focused real estate investment trust. Mr. Erickson was also co-founder, President and Chief Executive Officer of CareSelect Group, Inc., a physician practice management company. Mr. Erickson is currently a Director of American Renal Associates, Luminex Corporation, and Syncreon Group Holdings Limited. Mr. Erickson brings to our Board extensive executive management and operational experience, particularly in the healthcare industry.

Dr. Jeffrey Graves is President and CEO of 3D Systems and joined the company in May 2020. Prior to joining 3D Systems, from 2012 to May 2020, he served as CEO, President and Director of MTS Systems Corporation, a global supplier of test, simulation, and measurement systems. From 2005 until 2012, he served as President and CEO of C&D Technologies, Inc. He also held leadership roles with Kemet Corporation as Chief Operating Officer (2001-2003) and CEO (2003 to 2005). Previously he held a number of leadership and technical roles with GE, Rockwell Automation and Howmet Corporation. Jeff currently serves on the Board of Directors of Hexcel Corporation.

He holds a bachelor’s degree in metallurgical engineering from Purdue University. He also holds a master’s degree and PhD in metallurgical engineering from the University of Wisconsin. He has been recognized with the distinguished alumni award from both universities. He is also a master black belt in six sigma.

Mr. Kever has been a Principal in Voyent Partners, LLC, a venture capital firm, since 2001. He is also a director of Luminex Corporation, a manufacturer of laboratory testing equipment. He previously served as a director of Tyson Foods, Inc., an integrated processor of food products, until 2015; as director of Emdeon Business Services LLC and EBS Master, a provider of healthcare revenue and payment cycle solutions, until 2011; as a director of Transaction Systems Architects, Inc., a supplier of electronic payment software products and network integration solutions, until 2007; and as the President and Co-Chief Executive Officer of the Transaction Services Division of WebMD Corporation (formerly Envoy Corporation), an internet healthcare services company, from 1995 to 2001. Prior to 1995 he served as Envoy Corporation’s Executive Vice President, Secretary and General Counsel. Mr. Kever brings to our Board wide experience in operations, finance and executive management.

Mr. McClure has served as the Chairman of the Board of Directors of 3D Systems since October 2018. Mr. McClure has served as a Managing Partner of Michigan Capital Advisors since 2014 and has more than 35 years of experience in the transportation industry. Prior to founding Michigan Capital Advisors, Mr. McClure served as Chairman of the Board, CEO and president of Meritor, Inc. from 2004 through 2013. From 2002 through 2004, Mr. McClure served as CEO, president and member of the Board of Federal Mogul Corp. Mr. McClure joined Federal Mogul in 2001 as president, COO and a member of the Board. Before joining Federal Mogul, Mr. McClure served as president, CEO and a member of the Board of Detroit Diesel. He joined Detroit Diesel in 1997 after 14 years in a variety of management positions with Johnson Controls. Mr. McClure currently sits on the Boards of DTE Energy, Crane Co and Penske Corporation. He previously sat on the Boards of R.L. Polk, General Cable Corporation and Remy International. He is an Ex-Officio member of the Executive Committee of the Detroit Regional Chamber of Commerce and a past Chair of the Chamber. Additionally, McClure is a member of the Board of Trustees of Henry Ford Health Systems, Board of Directors of Invest Detroit and a member of Business Leaders for Michigan. Mr. McClure brings to our Board broad experience in operations and executive management and significant expertise in the automotive industry, a key vertical for our Company.

Mr. Moore has been with The Clark Estates, Inc., a private investment firm and a major company stockholder, for more than 20 years, where he is currently President and a director. He is also a director of Aspect Holdings, LLC, The Clark Foundation and the National Baseball Hall of Fame & Museum, Inc. and Vice Chairman of the Board of Trustees of Mary Imogene Bassett Hospital. Mr. Moore brings to our Board wide experience in operations, finance and executive management and, as President of a major stockholder, perspective on strategy and growth for the benefit of our stockholders.

Dr. Padmanabhan has served as President, Research and Development, at Smith+Nephew, a global portfolio medical technology company operating in the markets for orthopedic reconstruction, trauma, sports medicine, and advanced wound management, since 2016. Prior to this role, he was Senior Vice President of Technical Operations at Thoratec Corporation, a leader in mechanical circulatory support solutions for the treatment of heart failure. Prior to Thoratec, Dr. Padmanabhan had an 18-year career at Medtronic, starting as a Staff Scientist and progressing through more senior roles, ultimately becoming Vice President of Product Development for the implantable defibrillator business. He holds a Doctorate and a Master of Science in Biomedical Engineering from Rutgers University and a Master of Business Administration from the University of Minnesota - Carlson School of Management. He earned a Bachelor of Science, Electrical Engineering from the National Institute of Technology (Trichy, India). Dr. Padmanabhan is also a member of the Trice Medical Board of Directors, a privately held medical technology company seeking to improve orthopedic diagnostics for patients and physicians.

Dr. Tracy most recently served as Chief Technology Officer and Senior Vice President, Engineering, Operations and Technology at The Boeing Company from 2006 until 2016. Prior to that he served as Vice President, Engineering and Mission Assurance for Boeing Integrated Defense Systems and Vice President Structural Technologies, Prototyping ad Quality of Phantom Works at Boeing, after serving in increasing roles at Hercules Aerospace Company, McDonnell Douglas Corporation and The Boeing Company since 1979. During his tenure at The Boeing Company, he led engineering teams to achieve innovation breakthroughs and led notable aerospace products, including the Boeing 787 Dreamliner commercial plane. He has also authored more than 40 publications in the areas of structural mechanics, launch vehicle structures, smart structures and aging aircraft, and has received numerous awards and recognitions from the Hispanic community, including being named the 2006 Hispanic Engineer of the Year. Dr. Tracy has strong leadership in technology, operations, quality and engineering, and brings specialized expertise in aircraft manufacturing, structure and materials.