1996.3 Department of Physics, Kyoto University(Theoretical Astrophysics Group) PhD
1996.4 Assistant Professor, Department of Physics, The University of Tokyo(Theoretical Astrophysics Group)
1998.3-2000.2 Academic visitor, DAMTP, The University of Cambridge(Relativity and Gravitation Group)
2000.3-2000.8 Academic visitor, Albert Einstein Institute, Max Planck Institute
2002.4 Associate Professor, Department of Physics, Tokyo Institute of Technology
2004.4-2006.3 Visiting Associate Professor, The University of Tokyo
2008.9 Associate Professor, Department of Physics, Kyoto University
2014.4 Professor, Department of Mathematics, Nagoya University
2014.8 Professor, Department of Mathematics/Kobayashi-Maskawa Institute, Nagoya University
2005 20th Nishinomiya-Yukawa Memorial Awards
2006 The Young Scientists' Prize(The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology)
2010 Daiwa Adrian Prize (for UK-Japan teams(Japanese Team Leader:M.Sasaki))