| Apr 2017 - | Associate Professor, Faculty of Data Science, Shiga University |
| Apr 2016 - Mar 2017 | Associate Professor, The Center for Data Science Education and Research, Shiga University |
| Aug 2015 - Mar 2016 | Associate Professor, Promotion Office for Data Science Education and Research,
Faculty of Economics, Shiga University |
| Apr 2015 - Sep 2015 | Part-time Lecturer, College of Economics, Aoyama Gakuin University |
| Oct 2012 - Jul 2015 | Assistant Professor, Department of Computer and Information Science,
Faculty of Science and Technology, Seikei University |
| Apr 2008 - Sep 2012 | Project researcher, Transdisciplinary Research Integration Center,
Research Organization of Information and Systems |
| Apr 2007 - Mar 2008 | Research Fellow, Faculty of Mathematics, Kyushu University |