Tetsuo Saito

Tetsuo Saito (斉藤 鉄夫, Saitō Tetsuo, born 5 February 1952) is a Japanese politician who serves as chief representative of the Komeito since 2024. He served as Minister of Land, Infrastructure, Transport and Tourism from 2021 to 2024 and Minister of the Environment from 2008 to 2009.

Tetsuo Saito
斉藤 鉄夫
Official portrait, 2021
Chief Representative of Komeito
Incumbent
Assumed office 9 November 2024
Preceded by	Keiichi Ishii
Minister of Land, Infrastructure, Transport and Tourism
In office 4 October 2021 – 11 November 2024
Prime Minister	Fumio Kishida Shigeru Ishiba
Preceded by	Kazuyoshi Akaba
Succeeded by	Hiromasa Nakano
Minister of the Environment
In office 2 August 2008 – 16 September 2009
Prime Minister	Yasuo Fukuda Tarō Asō
Preceded by	Ichirō Kamoshita
Succeeded by	Sakihito Ozawa
Member of the House of Representatives
Incumbent
Assumed office 19 July 1993
Preceded by	Multi-member district
Constituency	Hiroshima 1st (1993–1996) Chugoku PR (1996–2021) Hiroshima 3rd (2021–present)
Personal details
Born	(1952-02-05) 5 February 1952 (age 73) Ōnan, Shimane, Japan
Political party	Komeito
Other political affiliations	New Frontier
Alma mater	Tokyo Institute of Technology
Occupation	Physical engineer Politician

Born in Shimane Prefecture, he was educated at the Tokyo Institute of Technology and worked as an engineer before entering politics. He was elected to serve as chief representative of the Komeito to succeed Keiichi Ishii, who was defeated in the 2024 election.

Career

Tetsuo Saito was born on 5 February 1952, in Ōchi District, Shimane. His father was a village councilman belonging to the Liberal Democratic Party and the head of a local group supporting Noboru Takeshita.^[1]

Saito attended the Tokyo Institute of Technology as an undergraduate studying applied physics, graduating in 1976, and received a Ph.D. in engineering from the same school. His first employment was with the major construction firm Shimizu Corporation. Saito was a visiting researcher at Princeton University for three years beginning in 1986. He was elected to the Diet for the first time in 1993.^[2]

Saito is known for his ties with NASA as well as expert knowledge of lunar bases and clean energy technology. Due to his knowledge in these areas, he was appointed parliamentary secretary of science and technology in 1999 in the Keizo Obuchi administration.^[2]

Saito was appointed Minister of the Environment by Prime Minister Yasuo Fukuda on 1 August 2008.^{[2] [3]} In the Cabinet of Prime Minister Tarō Asō, appointed on 24 September 2008, Saito was retained in his post.^[4]

On 9 November 2024, Saito was selected as leader of Komeito following an extraordinary party convention to replace Keiichi Ishii, who lost his parliamentary seat in the 2024 Japanese general election.^[5]

Personal life

His main hobbies are swimming and trains.^[2][6]