Leslie Cross serves as Chairman and Chief Executive Officer at Alphatec Spine. Leslie Cross is the Chairman of the Board of Directors and is serving as the interim Chief Executive Officer of Alphatec Spine. Cross previously served as the Chairman and Chief Executive Officer of Alphatec Spine until April 2014. He has served as the Chairman since July 2011 and as a director since March 2011. Cross is the former President and Chief Executive Officer of DJO Global, Inc. Cross served as a Director of DJO Global until December, 2012. DJO Global is a manufacturer and worldwide leading distributor of electrotherapy products for pain therapy and rehabilitation, clinical devices for the treatment of patients in physical therapy clinics, knee, hip and shoulder implant products, and orthopedic rehabilitation products, including rigid knee bracing, orthopedic soft goods, cold therapy systems, vascular systems and bone growth stimulation devices. Cross has held principal executive roles at DJO Global and its predecessors since 1995. From 1990 to 1994, Cross held the position of Senior Vice President of Marketing and Business Development of the Bracing & Support Systems division of Smith & Nephew. He was a Managing Director of two different divisions of Smith & Nephew from 1982 to 1990.