Dr. Yoon Ha, MD, PhD, received his medical degree and PhD from Yonsei University. He completed his internship and neurosurgery residency at Severance Hospital, Yonsei University in 1999. In 2015, he was appointed Professor of Neurological Surgery at Yonsei University, where he is board certified in the field of Neurological Surgery.
Dr. Ha has an active research interest in spinal surgery and basic research, particularly in numerous multicenter outcome research studies 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~).
During his career in Neurosurgery, Dr. Ha has won numerous awards for his work. He received the Synthes Award for Research in Spinal Cord Injury and Spinal Column Injury at the Congress of Neurological Surgeons in 2004 (San Francisco). He also received basic science research awards in Cervical Spine Research Societies in 2004 (Boston) and 2009 (Salt Lake City). 
He has served as the Editor in Chief of Neurospine (2018 ~ ), Academic Program Chair of Korean Spinal Neurosurgery Society (2022-2023), Section editor of Yonsei Medical Journal (2020~ ), The President of Korean Spine Research Society (2023~2024), The President of Korean Aerospace Medical Association (2015~2019), The President of Korea-Canada Science, Technology and Innovation Forum (2017), Vice president of Korean Cervical Spine Research Society (2023 ~ ), Secretary General of Asia Pacific Cervical Spine Society (2015 – ), President of Korean Spinal Deformity Research Society (2025- ). 
He is also an active full member of the World Academy of Neurological Surgery (2024~) and the American Academy of Neurological Surgery (2024~ ).

Dr. Ha’s clinical fields of interest include Adult Spinal Deformity Surgery, Cervical Deformity and Correction Surgery, Cervical OPLL and spondylotic myelopathy, Lumbar Degenerative Disease in aged population, Robotic Spinal Surgery for Spine Tumor Resection, and Biologic Therapy for Malignant Spinal Cord Tumor and Spinal Cord Injury.