Misao Nishikawa, M.D., D.M.Sc., Ph.D., is the President of Moriguchi-Ikuno Memorial Hospital, Koudoukai Health System, and Executive Officer of the Health System. He is also the Executive Officer of the Osaka Prefectural Hospitals Association and a Clinical Professor of Neurosurgery at Osaka Metropolitan University Hospital. In 1987, he graduated from Osaka Metropolitan University Medical School and earned an M.D. degree. In 1994, he achieved a D.M.Sc. and Ph.D. Since 2001, he has worked as an associate professor of neurosurgery at Osaka Metropolitan University Graduate School of Medicine. Since 2006, he has worked as Research Director of Neurosurgery at The Chiari Institute, North Shore University Hospital, Long Island, New York, USA, with Thomas H. Milhorat and Paolo A. Bolognese. He has occupied his current position since 2014. He specializes in surgery and clinical research of Chiari malformation and its related disorders and craniocervical junction disease. He has published many chapters and articles about pathogenesis and the classification of Chiari malformations and their related disorders in large journals (Journal of Neurosurgery, Neurosurgery, Journal of Neurological Surgery Skull Base B, etc.). He has treated most cases of Chiari malformations in Japan. He is interested in the genetic, developmental, and pathophysiological research of diseases at craniocervical junctions using morphometric studies and developmental biological approaches to experimental studies.
Kentaro Naito has been a Lecturer at the Graduate School of Medicine, Department of Clinical Medical Science, and School of Medicine, Department of Medical Science, Osaka Metropolitan University, since 2022. He graduated from Hamamatsu University School of Medicine. His research interests include neurosurgery and spinal and spinal cord surgery. He won the Osaka City University Faculty of Medicine Dean’s Award in 2016. He is a member of the Japan Neurosurgical Society, Japanese Congress of Neurological Surgeons, Neurospinal Society of Japan, Japanese Society for Spine Surgery and Related Research, Japanese Society of Spinal Cord Disorders Medicine, and Japanese Society of Spine and Spinal Nerve Surgery Techniques.
Mitsuhiro Hara, M.D., Ph.D., is the Director of the Spine and Spinal Cord Center at Moriguchi Ikuno Memorial Hospital, a Visiting Professor at the Department of Neurosurgery at North Shore University Hospital, and a Part-time lecturer at the Department of Neurosurgery, Osaka City University Graduate School. He graduated from Osaka City University School of Medicine in 1985 and got a Doctor of Medicine at Osaka City University Graduate School in 1994. He won the Japanese Society of Spinal Spine Surgery Tsuru Award in 1998. His field of interest includes spine and spinal cord diseases. Among them, he has treated many diseases of the craniocervical junction, Chiari malformation, syringomyelia, and spinal cord tethering syndrome. He is a physician certified by the Japanese Society of Neurosurgery and a member of the Board of Trustees of the same society. He is also an instructor at the Japanese Society of Spinal Spine Surgery and a specialist at the Japan Stroke Society.
