He
Sengoku was born in Tokushima Prefecture on 15 January 1946. left Tokyo University's Law Department without graduating. Before entering national politics, he worked as a lawyer and was the Chairman of the Social Democratic Party's Prefectural Policy Board
He was elected to the House of Representatives for the first time in the February 1990 election for the Tokushima constituency. Lower House.
He is a member of the Finance Committee in the