William W. Burke has served as a member of our board of directors since May 2015. Since November 2015, Mr. Burke has served as President of Austin Highlands Advisors, LLC, a provider of corporate advisory services. He served as Executive Vice President & Chief Financial Officer of IDEV Technologies, a peripheral vascular devices company, from November 2009 until the company was acquired by Abbott Laboratories in August 2013. From August 2004 to December 2007, he served as Executive Vice President & Chief Financial Officer of ReAble Therapeutics, a diversified orthopedic device company which was sold to The Blackstone Group in a going private transaction in 2006 and subsequently merged with DJO Incorporated in November 2007. Mr. Burke remained with ReAble until June 2008. From 2001 to 2004, he served as Chief Financial Officer of Cholestech Corporation, a medical diagnostic products company.

Mr. Burke has served on the board of directors of numerous public and private company boards and currently serves on the board of directors of DeVry Education Group, Tactile Systems Technology, Inc. and Myocardial Solutions, Inc. He previously served on the board of directors of LDR Holding Corporation (acquired by Zimmer Biomet in July 2016) and Medical Action Industries (acquired by Owens & Minor in October 2014). Mr. Burke received his BBA in Finance from the University of Texas at Austin and an MBA from The Wharton School of the University of Pennsylvania. Mr. Burke was selected to serve on our Board of Directors because of his knowledge of accounting matters, his business experience with other medical technology companies and his experience as the chief financial officer of other companies, including other publicly traded companies.