| 2019–present | Professor, Department of Information Networking for Innovation and Design (INIAD), Toyo University, Tokyo |
| 2016–2019 | Professor, Graduate School of Interdisciplinary Information Studies, University of Tokyo |
| 2006–2016 | Associate Professor, Graduate School of Interdisciplinary Information Studies, University of Tokyo |
| 2006–2016 | Associate Professor, Center for Spatial Information Science, University of Tokyo |
| 2005–2006 | Associate Research Scientist, Lamont-Doherty Earth Observatory, Columbia University |
| 2002–2004 | Postdoctoral Research Scientist, Lamont-Doherty Earth Observatory, Columbia University |
| 2002 | Ph.D. in Geography (with an emphasis in Cognitive Science), Department of Geography, University of California, Santa Barbara |
| 1996 | Master of Engineering, Department of Urban Engineering, University of Tokyo |
| 1994 | Bachelor of Engineering, Department of Urban Engineering, University of Tokyo |