Kōji Hirayama (平山 幸司, Hirayama Kōji, born November 9, 1969) is a Japanese politician of the Democratic Party of Japan, a member of the House of Councillors in the Diet (national legislature). A native of Goshogawara, Aomori and graduate of Kanto Gakuin University and Keio University, he was elected for the first time in 2007.
Kōji Hirayama (平山 幸司, Hirayama Kōji, born November 9, 1969) is a Japanese politician of the Democratic Party of Japan, a member of the House of Councillors in the Diet (national legislature). A native of Goshogawara, Aomori and graduate of Kanto Gakuin University and Keio University, he was elected for the first time in 2007.