1995 Garduated from The Univ. of Tokyo
2002 Postdoctoral Fellow, Pathology and Laboratory Medicine, School of Medicine, Univ. of Pennsylvania.
2011 Assistant Professor, Orthopaedic Surgery, The Univ. of Tokyo Hospital
2015 Associated Professor, Orthopaedic Surgery, Graduate School of Medicine, The Univ. of Tokyo
2016 Professor, Orthopaedic Surgery, Saitama Medical University
2019 Professor, Chief Administrator, Orthopedic Surgery, Saitama Medical University