Shunichi Mizuoka

Shunichi Mizuoka
水岡 俊一
Official portrait, 2011
President of the Constitutional Democratic Party
Incumbent
Assumed office 19 January 2026
Deputy	Masayo Tanabu
Preceded by	Yoshihiko Noda
Special Advisor to the Prime Minister (Political and Parliamentary Affairs)
In office 2 September 2011 – 1 October 2012
Prime Minister	Yoshihiko Noda
Member of the House of Councillors
Incumbent
Assumed office 29 July 2019
Constituency	National PR
In office 26 July 2004 – 25 July 2016
Preceded by	Shōji Motooka
Succeeded by	Takae Itō
Constituency	Hyōgo at-large
Personal details
Born	(1956-06-13) 13 June 1956 Takeno, Hyōgo, Japan
Party	CDP (since 2018)
Other political affiliations	DPJ (2004–2016) DP (2016–2018)
Alma mater	Nara University of Education

Shunichi Mizuoka (水岡 俊一, Mizuoka Shun'ichi; born June 13, 1956) is a Japanese politician of the Constitutional Democratic Party of Japan, a former member of the House of Councillors in the Diet (national legislature).

Early life

A native of Takeno, Hyogo, Mizuoka graduated from Nara University of Education.

Political career

Mizuoka was elected to represent the Hyogo at-large district in 2004 and was re-elected in 2010. He lost his seat in 2016, but was reelected in 2019, and is still currently serving in the House of Councillors as of early 2025.

Cabinet positions

Mizuoka served as an assistant to the Prime Minister in the Noda Cabinet from 2011 to 2012.

References

• 政治家情報 〜水岡 俊一〜. www.senkyo.janjan.jp ザ･選挙 (in Japanese). JANJAN. Archived from the original on 2007-12-08. Retrieved 2007-11-20.

External links

• Official website in Japanese.