Dr. Masashi Miyazaki is a Clinical Professor of Orthopaedic Surgery at Oita University Faculty of Medicine, Japan, specializing in spinal deformity, including adolescent idiopathic scoliosis and adult spinal deformity. He obtained his MD and PhD from Oita University and has extensive academic and clinical experience in spine surgery. His research focuses on surgical strategies for complex deformities, imaging biomarkers, and perioperative optimization. Dr. Miyazaki has authored numerous peer-reviewed publications and is actively involved in international research and education through organizations such as AO Spine and APSS, and is a frequent invited speaker at major spine meetings.