| April 2020 | - | | : |
Professor, Graduate School of Natural Science and Technology, Okayama University, Japan. |
| August 2014 | - | July 2016 | : |
Program Officer, Ministry of Education, Culture, Sports, Science and Technology, Japan. |
| September 2012 | - | March 2015 | : |
Visiting Associate Professor, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Japan. |
| January 2009 | - | March 2020 | : |
Associate Professor, Graduate School of Natural Science and Technology, Okayama University, Japan. |
| April 2007 | - | December 2008 | : |
Assistant Professor, Organization of Advanced Science and Technology, Kobe University, Japan. |
| May 2005 | - | March 2007 | : |
Assistant Professor, Graduate School of Science and Technology, Kobe University, Japan. |
| October 2003 | - | April 2005 | : |
Researcher, Department of Earth and Planetary System Science, Kobe University, Japan. |
| April 2002 | - | September 2003 | : |
Researcher, Institute of Space and Astronautical Science, Japan. |
| April 2001 | - | September 2003 | : |
JSPS Research Fellow, Center for Climate System Research, University of Tokyo, Japan. |
| April 1999 | - | March 2001 | : |
Researcher, Center for Climate System Research, University of Tokyo, Japan. |
| April 1996 | - | March 1999 | : |
JSPS Research Fellow, Department of Earth and Planetary Physics, Univeristy of Tokyo, Japan. |
