Hiroto Kumagai is a Japanese politician who is a member of the House of Councillors of Japan.
He was born on March 23, 1962, and graduated from Chuo University.
Afterwards, he joined LOTTERIA Co., Ltd., a chain of fast-food restaurant for a year.
He later joined the Policy Secretary to Kazuhito Wada and Mie Ishida.
[1] In 2007, he was a member of the Saitama City Assembly for three terms.