Dr. Ken Ishii is the Professor and Chairman of Department of Orthopaedic Surgery, School of Medicine, International University of Health and Welfare (IUHW), the director of spine and spinal cord centers in IUHW Mita and Narita hospitals in Tokyo and Chiba, Japan. He was an international research fellow at Georgetown University (2000-2001) and Harverd University (2002-2003). His clinical interests include minimally invasive treatment of complex degenerative disorders, spinal deformities, and spinal tumors. He also specializes in the treatment of dropped head syndrome. He is a board member of JOA, JSSR, JASMISS, SMISS-AP, and CSRS-AP. He is a founder and a current president of the Society for Minimally Invasive Spinal Treatment (MIST). He is also a member of CSRS, SMISS, and ISSLS. His research work has won the AAOS Guest Nation Poster Award, The JOA Encouragement Award, CSRS travelling fellowship, CSRS-AP Award, etc.