- 2013/04 - 現在 Hosei University Dept. of Civil and Environmental Engineering, Faculty of Engineering and Design Professor
- 2023/05 - 2024/01 University of Pavia Department of Civil Engineering and Architecture Visiting Professor
- 2021/04 - 2023/03 HOSEI University Faculty of Engineering and Design Dean
- 2018/04 - 2020/03 Laboratory of Regional Design with Ecology, Hosei University Director
- 2012/04 - 2013/03 HOSEI University Dept. of Civil and Environmental Engineering, Faculty of Engineering and Design Associate Professor
- 2008/10 - 2012/03 The University of Tokyo Center for Sustainable Urban Regeneration, Graduate School of Engineering Project Associate Professor
- 2007/10 - 2008/09 National Institute for Land and Infrastructure Management, Ministry of Land, Infrastructure, Transport and Tourism Landscape and Ecology Division, Environment Department Senior Researcher
- 2005/10 - 2007/09 National Institute for Land and Infrastructure Management, Ministry of Land, Infrastructure, Transport and Tourism Landscape and Ecology Division, Environment Department Researcher
- 2005/04 - 2005/09 The University of Tokyo Dept. of Civil Engineering, Graduate School of Engineering Assistant Professor
- 2000/05 - 2005/03 The University of Tokyo Dept. of Civil Engineering, Graduate School of Engineering Research Associate
- 1996/04 - 2000/04 Shimizu Corporation Dept. of Civil Engineering design Engineer
- 1995/04 - 1996/03 Shimizu Corporation Kyushu Branch Engineer