- 2010/04/01 - 現在 Nagoya University Graduate School of Engineering, Graduate School of Engineering
- 2005/04/01 - 2010/03/31 Professor, EcoTopia Science Institute, Nagoya University
- 2004/04/01 - 2005/03/31 Professor, EcoTopia Science Institute, Nagoya University
- 2003/04/01 - 2004/03/31 Professor, Center for Integrated Research in Science and Engineering, Nagoya University
- 2001/04 - 2003/03/31 Associate Professor, Graduate School of Environmental Studies, Nagoya University
- 2002/05/01 - 2002/12/31 スイス連邦工科大学ローザンヌ校客員教授
- 2000/04 - 2001/03 Associate Professor, Dept. of Civil Engineering, Nagoya University
- 1997/07 - 2000/03 Associate Professor, Institute of Industrial Science, University of Tokyo
- 1997/03 - 1997/06 Associate Professor, Dept, of Civl Eng., Tokyo Institute of Technology
- 1995/02 - 1997/02 Assistant Professor, Dept, of Civl Eng., Tokyo Institute of Technology
- 1990/04 - 1995/01 Research Associate, Dept, of Civl Eng., Tokyo Institute of Technology
- 1988/04 - 1990/03 East Japan Railway Co., Ltd.