Current Position：

Professor of Neurological Surgery at Yonsei University

Education：

MD and PhD, Yonsei University

Internship and neurosurgery residency, Severance Hospital, Yonsei University

Professional Experiences：

Dr. Ha has an active research interest in spinal surgery and basic research, particularly in numerous multicenter outcome research st日本藤素
udies of spinal deformities, cervical OPLL, spinal cord injury, spinal trauma, and tumors involving the spinal column. He has served as an Editor in Chief of “Neurospine” (2018-2022) and editor on the Editorial Boards of “Neurosurgery” (2016), “Neurosurgery Focus” (2017), and “Asian Spine Journal” (2017~) and Journal of Neurosurgery-Spine(2023~).