- 2016/04 - 現在 National Institute of Science and Technology Policy
- 2011/04 - 現在 Ministry of Education,Culture,Sports,Science and Technology
- 2016/04 - 2018/03 九州大学 マス・フォア・インダストリ研究所 非常勤講師(客員教授)
- 2014/10 - 2016/03 National Institute of Science and Technology Policy
- 2013/07 - 2014/09 Ministry of Education,Culture,Sports,Science and Technology
- 2013/01 - 2013/06 Ministry of Education,Culture,Sports,Science and Technology
- 2011/04 - 2012/12 Ministry of Education,Culture,Sports,Science and Technology
- 2011/01 - 2011/03 Ministry of Education,Culture,Sports,Science and Technology
- 2007/08 - 2011/03 Ministry of Education,Culture,Sports,Science and Technology
- 2005/04 - 2007/08 Ministry of Education,Culture,Sports,Science and Technology
- 2004/10 - 2005/04 Ministry of Education,Culture,Sports,Science and Technology
- 2003/04 - 2004/10 Ministry of Education,Culture,Sports,Science and Technology
- 2002/04 - 2003/03 Cabinet Office
- 2001/10 - 2002/04 Ministry of Education,Culture,Sports,Science and Technology
- 2001/04 - 2001/10 Ministry of Education,Culture,Sports,Science and Technology
- 2001/01 - 2001/04 Ministry of Education,Culture,Sports,Science and Technology
- 1999/07 - 2000/12 文部省 体育局 体育課 企画係員
- 1998/04 - 1999/07 科学技術庁 原子力安全局 原子力安全課 総括係員
- 1998/04 - 1998/04 科学技術庁 長官官房秘書課