柴慎一

Shinichi Shiba is a Japanese politician currently serving as a member of the House of Councillors, representing the Constitutional Democratic Party of Japan. Born in Kawasaki, Kanagawa Prefecture, he began his career in 1984 at the Shinagawa Oi Post Office. Before entering national politics, he held significant leadership roles within the Japan Post Group Labor Union, including serving as the Central Vice Executive Committee Chairman. He was first elected to the House of Councillors in the 26th regular election held in July 2022, where he ran as a proportional representation candidate. As an organization-backed legislator, he focuses on labor issues and postal service policies.