| 07/1- | Post-Doctoral Fellow in Mahematical Biology at Program for Evolutionary Dynamics, Harvard University |
| 06/5-06/12 | Research Scientist at Program for Evolutionary Dynamics, Harvard University |
| 05/4-06/12 | Research Fellow of the Japan Society for the Promotion of Science (JSPS) |
| 06/3 | PhD, Kyushu University (Science) |
| 03/3 | M.S., University of Tokyo (Information Science and Technology) |
| 01/3 | B.S., University of Tokyo (Science) |
| 05/4-06/12 | Research Fellowships of the Japan Society for the Promotion of Science for Young Scientists (2005-2007) |
| 05/9-05/12 | Program for Evolutionary Dynamics, Harvard University, USA (visiting researcher) |
| 04/10 | Adaptive Dynamics Network, IIASA, Austria |
| 04/9-04/10 | Program for Evolutionary Dynamics, Harvard University, USA (visiting researcher) |