Current Position:

? Professor of USC Departments of Orthopaedic Surgery and Neurosurgery

? Co-Director of USC Spine Center

? Chief of USC Orthopaedic Spine Service

Awards:

? 2018：President, 16th President of the Society for Brain Mapping and Therapeutics,

? 2018：American Academy of Orthopaedic Surgeons Senior Achievement Award

? 2017：American Academy of Orthopaedic Surgeons Senior Achievement Award

? July 28-30th, 2016： Honorary President of the 5th Annual Congress Brazilian Surgery and Techniques of Minimally Invasive of the Vertebral Column (5th Annual Cominco), Sao Paulo, Brazil

Memberships:

? 2018: President of North American Spine Society (NASS)

? 2017: President of Cervical Spine Research Society (CSRS)

? 2017: AO Foundation Board Member

? 2012-2015:  Chairman of AO Spine International