The following three individuals were nominated by SpineEX as the independent board members and have served on the board since July, 2017.

William Enquist: former President of Global Endoscopy, Stryker Corporation; Chairman of the Board, EndoChoice, Inc.

Paul Arnold: Professor, Vice Chair of Research, Department of Neurosurgery, University of Kansas Medical Center; Neurotrauma Consultant, National Football League.

Pat LaVecchia: Founding Principal, LaVecchia Capital LLC; Managing Director and Head of the Private Equity Placement Group, Bear, Stearns & Company (1994 to 1997); Group Head of Global Private Corporate Equity Placements, Credit Suisse First Boston (1997 to 2000).