On December 28, the Democratic Party of Japan (DPJ) announced the new line-up for the DPJ Political Reform Promotion Headquarters, details as follows:

Chair: Katsuya Okada (Supreme Advisor)
Deputy Chair: Goshi Hosono (Secretary General)
Director General: Sumio Mabuchi (Deputy Secretary General)
Vice Directors-General: Yasuo Ichikawa (Secretary General, DPJ Caucus, House of Councillors), Takeaki Matsumoto (Acting Chair, Policy Research Committee), Hitoshi Goto (Deputy Chair, Diet Affairs Committee)