(As of April 2026)
YAMAOKA Tatsumaru
- Member of the House of Representatives (HR) for Hokkaido bloc (proportional representation), elected five times
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In-House Group: Centrist Reform Alliance
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Born: 22 July 1979, Tokyo
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Education:
- Faculty of Economics, Keio University
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Career:
- Reporter, Japan Broadcasting Corporation (NHK)
- Secretary General, Hokkaido Youth Committee, Democratic Party of Japan
- Vice Secretary-General, Democratic Party For the People
- Head, Economy, Trade and Industry Division, Constitutional Democratic Party of Japan (CDP)
- Deputy Secretary-General, CDP
- Director, CDP General Affairs Department
- Senior Deputy Chairperson, CDP Policy Research Committee
- Executive Deputy Director-General, Public Relations Committee, Centrist Reform Alliance
- Director, HR Standing Committee on Economy, Trade and Industry