関口 健太郎

Kentaro Sekiguchi is a Japanese politician currently serving his second term as a member of the Tokyo Metropolitan Assembly. Born in Maebashi, Gunma Prefecture, he graduated from Nihon University's Faculty of Law. He gained significant political experience working as a secretary for former Minister of Health, Labour and Welfare Akira Nagatsuma, which shaped his core political philosophy of prioritizing life and livelihood. Before his election to the Tokyo Metropolitan Assembly, he served as a member of the Suginami Ward Council. As a parent of two children, he is particularly focused on improving childcare environments, addressing youth poverty, and enhancing regional medical systems. He advocates for responsible, long-term policy-making that considers the needs of future generations.