小沢一郎
is a former member of the House of Representatives elected to the 11th District of Hokkaidō, Japan. He is a former secretary to former Democratic Party of Japan (DPJ) Secretary-General Ichirō Ozawa. After Satoshi Arai's candidacy to the 2007 Hokkaido gubernatorial election, Ishikawa took up the seat vacated by Arai through the PR list. In the 2009 DPJ landslide, Ishikawa famously unseated then-incumbent Finance Minister Shōichi Nakagawa.