| 2011.7
      - 2012.7 | Senior Analyst, Currency Department, Bank of Canada | 
| 2012.7
      - 2015.6 | Post-Doctoral Researcher, Department of Economics, University of Mannheim | 
| 2015.7
      - 2022.3 | Assistant Professor (Tenure Track), Graduate School of Economics, The University of Tokyo | 
| 2022.4
      - 2025.3 | Associate Professor, Graduate School of Economics, Hitotsubashi University | 
| 2025.4
      - | Specially Appointed Professor, Graduate School of Economics, Hitotsubashi University | 
| 2025.4
      - | Professor, Faculty of Business and Commerce, Keio University | 
| No. | Committee | Group | Year | 
| 1. | Counselor | Financial Services Agency | 2022.11
      - 2024.6 | 
| 2. | 令和4年度電波の利用状況調査の実行及び令和5年度電波の利用状況調査の準備等の検討委員会・委員 | 総務省 | 2022.6
      - 2023.3 | 
| 3. | Chief Researcher, Competition Policy Research Center | Japan Fair Trade Commission | 2022.4
      - | 
| 4. | Member, Economic Research Study Group on Information and Telecomunication, Institute for Information and Communication Policy, | Ministry of Internal Affairs and Communication | 2021.9
      - 2024.8 | 
| 5. | Associate Research Fellow | Financial Services Agency | 2020.8
      - 2021.7 | 
| 6. | Special Research Fellow | Financial Services Agency | 2019.6
      - 2020.7 |