Dr. Yasushi Shibata graduated from the School of Medicine, University of Tsukuba, Tsukuba, Japan. He received medical and surgical training at the University Tsukuba Hospital and affiliated hospitals. He conducted basic and clinical research at the Harvard Medical School, Boston, the Beth Israel Deaconess Medical Center, Boston, and the Massachusetts Institute of Technology, Cambridge, MA, USA. His main research interests are cerebrovascular diseases, head injury, neuroradiology, headache and brain tumor. He published more than 100 research papers and more than 50 edited textbooks. He has received many research grants and awards. He is now the Director and full professor, Department of Neurosurgery, Mito Medical Center, University of Tsukuba. He is the on the board of the Japan Neurosurgical Society, The Japan Stroke Society, Japanese Society of Neuroradiology and The Japanese Headache Society. He is the Editor-in-chief or editorial member of many international journals.