1981: Graduated from Tohoku University School of Medicine, Sendai, Japan and obtained M.D 1987: graduated from Tohoku University Graduate School of Medicine and obtained Ph.D. 1988: Assistant Professor, Department of Neurosurgery, Tohoku University School of Medicine, Sendai, Japan 1992.4-1992.11: Visiting scientist at Department of Neuropathology, University Hospital, Zurich, Switzerland 1992.12-1993.4: Visiting scientist at Department of Molecular biology, Harvard Medical School, Boston, USA 1998-2003.9: Lecturer, Department of Neurosurgery, Tohoku University School of Medicine 2003.9-2005: Chief director, Dept. of Pituitary surgery, Kohnan Hospital, Sendai, Japan 2008.7: Head of Research Institute for Pituitary disease. Southern Tohoku General Hospital, Koriyama, Japan 1981: Graduated from Tohoku University School of Medicine, Sendai, Japan and obtained M.D 1987: graduated from Tohoku University Graduate School of Medicine and obtained Ph.D. 1988: Assistant Professor, Department of Neurosurgery, Tohoku University School of Medicine, Sendai, Japan 1992.4-1992.11: Visiting scientist at Department of Neuropathology, University Hospital, Zurich, Switzerland 1992.12-1993.4: Visiting scientist at Department of Molecular biology, Harvard Medical School, Boston, USA 1998-2003.9: Lecturer, Department of Neurosurgery, Tohoku University School of Medicine 2003.9-2005: Chief director, Dept. of Pituitary surgery, Kohnan Hospital, Sendai, Japan 2008.7: Head of Research Institute for Pituitary disease. Southern Tohoku General Hospital, Koriyama, Japan

Pituitary disease