1979                    Graduated from Iwate University School of Medicine Japanese Medical License Registration

1983                    certified with FMGEMS

1979-1985          Resident in St. Luke`s Hospital Tokyo (Surgery)

1985-2000          Medical Staff, Department of Surgery, Teikyo University Hospital

1989                   Visiting Research Fellow, Department of Surgery, Melbourne University, Australia

2000-2004          Director of Breast Surgery, Kameda Medical Centre

2004-2011          Director of Breast Center, Kameda Medical Center