(As of April 2026)
| Career: | |
| 1998 | Staff member, Office of Member of the House of Councillors |
| 2003 | First elected to the House of Representatives (3rd District of Kyoto Prefecture) |
| 2005 | Chair, Youth Committee, Democratic Party of Japan |
| 2009 | Parliamentary Vice-Minister of Cabinet Office (Sept 2009 - Sept 2010) |
| 2016 | Senior Director, HR Standing Committee on Land, Infrastructure, Transport and Tourism |
| Senior Director, HR Standing Committee on Rules and Administration | |
| 2018 | Chair, Diet Affairs Committee, Democratic Party For the People |
| 2020 | Chairperson, Policy Research Committee, Constitutional Democratic Party (CDP) |
| 2021 | President, CDP |
| 2024 | Chair, HR Standing Committee on Fundamental National Policies |
| 2025 | Chair, HR Standing Committee on Environment |
| 2026 | Chairperson for the meeting of Party's house members, Centrist Reform Alliance |