- 2012/03 - 現在 Yokohama National University Graduate School of Information and Environmental Sciences Professor
- 2004/06 - 2013/03 Research Fellow, Manufacturing Management Research Center (MMRC), The University of Tokyo
- 2007/04 - 2012/03 Associate Professor, Graduate School of Environment and Information Sciences
- 2008/09 - 2009/05 Visiting Researcher, University of California at Berkeley
- 2005/10 - 2007/03 Associate Professor, Department of Business Administration, Aoyamagakuin University
- 2003/04 - 2005/09 Associate Professor, Division of Industrial and Social Studies (Graduate School) & Faculty of Economics, Shinshu University
- 2001/02 - 2003/03 Visiting Researche Fellow/Associate, The Wharton School, University of Pennsylvania
- 1999/07 - 2003/03 Associate Professor, Faculty of Economics & Division of Industrial and Social Studies (Graduate School), Shinshu University
- 2000/04 - 2001/03 Associate Professor(joint-appointment), Graduate School of Economics, The University of Tokyo
- 1997/07 - 1999/06 Assistant Professor, Faculty of Economics, Shinshu University
- 1996/04 - 1997/06 Research Fellowship for Young Scientists (Post Doctoral), Japan Society for Promotion of Sciences
- 1995/07 - 1996/03 Research Fellowship for Young Scientists (DC2), Japan Society for Promotion of Sciences