宮内康幸

Yasuyuki Miyauchi is a Japanese politician currently serving as the Mayor of Sosa City in Chiba Prefecture. Born in 1974, he graduated from Chiba Prefectural Toso Technical High School and worked as a section manager in the private sector before entering politics. He served two terms as a member of the Sosa City Council, having been first elected in 2014. In 2022, he was elected Mayor of Sosa City, and he subsequently secured re-election in 2026. Beyond his political career, he has held leadership roles including director of JA Chiba Midori and chairman of the Sosa City Ethics Corporate Association.