Back Masakazu Sekiguchi German Masakazu Sekiguchi ID 関口昌一 Japanese 세키구치 마사카즈 Korean มาซากาซุ เซกิงูจิ Thai
Masakazu Sekiguchi | |
|---|---|
関口 昌一 | |
 Official portrait, 2013 | |
| President of the House of Councillors | |
| Assumed office 11 November 2024 | |
| Monarch | Naruhito |
| Vice President | Hiroyuki Nagahama |
| Preceded by | Hidehisa Otsuji |
| Member of the House of Councillors | |
| Assumed office 26 October 2003 | |
| Preceded by | Takujirō Hamada |
| Constituency | Saitama at-large |
| Member of the Saitama Prefectural Assembly | |
| In office 1995–2003 | |
| Constituency | Kita 2nd |
| Personal details | |
| Born | 4 June 1953 Minano, Saitama, Japan |
| Political party | Liberal Democratic |
| Alma mater | Josai Dental University |
Masakazu Sekiguchi (関口 昌一, Sekiguchi Masakazu; born June 4, 1953) is a Japanese politician of the Liberal Democratic Party who serves as the President of the House of Councillors since 2024.
Born in Saitama Prefecture, Sekiguchi was a dentist and a member of the Saitama Prefectural Assembly before his first election to the House of Councillors in 2003. He served as parliamentary vice minister for Foreign Affairs, senior vice minister for Internal Affairs and Communications and chairman of the LDP caucus in the House of Councillors, before he was elected President of the House of Councillors in 2024.