Dr. Tomohiko Hasegawa is Vice Director of Ensyu Hospital, Japan, and Associate Professor of Orthopaedic Surgery at Hamamatsu University School of Medicine. He obtained his MD and PhD from Hamamatsu University and has held progressive academic positions within the same institution. His clinical expertise focuses on spine surgery, particularly adult spinal deformity and spinal cord tumors, with extensive experience in complex reconstructive procedures. His research interests include spinal instrumentation, bone fusion, and nerve regeneration, contributing to advancements in spine surgery and clinical outcomes.