Miki Fujimura, M.D., Ph.D. is currently the Professor and Chairman at Department of Neurosurgery, Hokkaido University Graduate School of Medicine, Sapporo. He graduated from Tohoku University School of Medicine, Sendai, in 1994. He has been consistently interested in the management/research of cerebrovascular diseases and benign brain tumors, publishing more than 320 academic peer-reviewed articles in these fields. He is particularly focusing on Moyamoya disease, attending many international workshops and symposia organized by WFNS for this topic. He also worked with Professor Pak H. Chan at Stanford University.