- 2019 - 現在 Visiting Professor, Department of Computer Science, Tsuda University (Tokyo, Japan)
- 2018 - 現在 Visiting Professor, Department of Business Administration, Chuo University (Tokyo, Japan)
- 2017 - 現在 Visiting Professor, Department of Business Administration, Chuo University (Tokyo, Japan)
- 2010 - 現在 Professor, Faculty of Business and Commerce, Keio University (Tokyo, Japan)
- 2018 - 2018 Visiting Professor, Faculty of Humanities and Social Sciences, Iwate University (Iwate, Japan)
- 2017 - 2018 Visiting Professor, Department of Management, Faculty of Economics, Sophia University (Tokyo, Japan)
- 2009 - 2017 Visiting Professor, Faculty of Policy Studies, Chuo University (Tokyo, Japan)
- 2009 - 2017 Visiting Professor, Department of Business Administration, Chuo University (Tokyo, Japan)
- 2016 - 2016 Visiting Professor, Faculty of Humanities and Social Sciences, Iwate University (Iwate, Japan)
- 2013 - 2014 Visiting Professor, Department of Management, Faculty of Economics, Sophia University (Tokyo, Japan)
- 2013 - 2013 Visiting Professor, Faculty of Humanities and Social Sciences, Iwate University (Iwate, Japan)
- 2010 - 2013 Visiting Professor, School of Business, Aoyama Gakuin University (Tokyo, Japan)
- 2007 - 2010 Senior Associate Professor, Faculty of Business and Commerce, Keio University (Tokyo, Japan)
- 2009 - 2009 Adjunct Professor, Faculty of Humanities and Social Sciences, Iwate University (Iwate, Japan)
- 2008 - 2008 Visiting Scholar, School of Business Administration, University of Mississippi
- 2006 - 2007 Exchange Scholar, Guanghua School of Management, Peking University (Beijing, China)
- 2003 - 2007 Associate Professor, Faculty of Business and Commerce, Keio University (Tokyo, Japan)
- 2005 - 2006 Visiting Scholar, Haas School of Business, University of California, Berkeley (CA, USA)
- 2005 - 2006 Visiting Scholar, College of Business, San Jose State University (CA, USA)
- 2000 - 2003 Assistant Professor, Faculty of Business and Commerce, Keio University (Tokyo, Japan)
- 1997 - 2000 Lecturer, Faculty of Business and Commerce, Keio University (Tokyo, Japan)