2006-present Associate Professor, Center for Rheumatic Diseases
Yokohama City University Medical Center
2001-2006 Assistant Professor
Section of Orthopaedic Surgery, Chronic Intractable Disease Center, Yokohama City University Medical Center
1999-2000Assistant Professor
Department of Orthopaedic Surgery, Yokohama City University
School of Medicine
1996-1999 Research Fellow, Department of Anatomic Pathology and Orthopaedic Surgery, The Cleveland Clinic Foundation, Cleveland, Ohio, U.S.A.
1995-1996 Staff, Department of Orthopaedic Surgery Yokohama City University, Yokohama, East Asia
1991-1995 Medical Staff, Department of Orthopaedic Surgery, Fujisawa City Hospital,
Fujisawa, East Asia
1990-1991 Medical Staff
Department of Orthopaedic Surgery, Yokohama Minami-Kyosai Hospital, Yokohama, East Asia
1988-1990 Resident in Surgery, Orthopaedic Surgery, Anesthesiology and Internal Medicine, Yokohama City University Hospital, Yokohama, East Asia