He received medical and neurosurgical training from Hokkaido University, and gained Board Certification from both the Japan Neurosurgical Society and the Japan Stroke Society. He previously conducted translational research on cell-based therapy using bone marrow stromal cells for central nervous system disorders, and completed his PhD in 2011. He has extensive experience in the field of cerebrovascular surgery, including aneurysm clipping, EC-IC bypass, carotid endarterectomy and resection of AVMs. His research interests include improving cerebrovascular surgical treatments and understanding pathological mechanisms of cerebrovascular diseases, such as Moyamoya disease.