| September 2007 | Special Advisor to the Prime Minister for Education Rebuilding (Fukuda Cabinet)
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| August 2007 | Special Advisor to the Prime Minister for Education Rebuilding (Abe Cabinet / Reshuffled)
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| September 2006 | Special Advisor to the Prime Minister for Education Rebuilding (Abe Cabinet)
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| November 2005 | Parliamentary Secretary of the Cabinet Office
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| January 2005 | Member of the Committee on Budget, House of Councillors
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| October 2004 | Member of the Special Committee on North Korean Abduction Issue and Related Matters, House of
Councillors
Director of the Research Committee on Aging Society with Declining Birthrate, House of Councillors
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| July 2004 | Elected for the first time to the House of Councillors (Proportional-representation constituency)
Member of the Committee on Foreign Affairs and Defense, House of Councillors
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| June 2000 | Elected for the first time to the House of Representatives (Proportional-representation constituency)
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| 1985 | Editor-in-Chief of Sankei Living Shimbun
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| 1976 | Dispatched to the United States as special correspondent for radio, magazines, and newspapers
After returning to Japan, reporter for Sankei Living Shimbun, wrote articles for the Living section of Sankei Shimbun, television anchor, essayist, member of various committees, etc.
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| 1973 | Graduated from the Department of Psychology, Faculty of Liberal Arts, University of the Sacred Heart, Tokyo
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| 1969 | Graduated from Tokyo Metropolitan Komaba Senior High School
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