Akira Uchino, M.D., Ph.D., is Chief Radiologist of Saitama Sekishinkai Hospital and Visiting Professor of Saitama Medical University, Saitama, Japan. He graduated from Kyushu University Faculty of Medicine. He completed a radiology residency and neuroradiology fellowship at Kyushu University Hospital. He is a Board Certified Diagnostic Radiologist of Japan Radiological Society, and Honorary Member of Japanese Society of Neuroradiology. He was a Councilor of Japan Radiological Society, Japanese Society of Neuroradiology, Japanese Society for Magnetic Resonance in Medicine, and Japanese Society of Interventional Radiology. He was an Associate Member of the European Society of Neuroradiology, the American Society of Neuroradiology, and the Radiological Society of North America. His clinical and research interests include craniocervical arterial variations. He has published numerous papers mainly in Springer Journals.craniocervical arterial variations. He has published numerous papers mainly in Springer Journals.