| 2020/09 - present |
retired |
| 2009/03 - 2020/08 |
Professor, KAIST |
| 2002/03 - 2009/02 |
Associate Professor, KAIST |
| 1999/09 - 2002/02 |
Assistant Professor, KAIST |
| 1997/08 - 1999/07 |
Research Associate, Theoretical Astrophysics, Fermilab |
| 1995/10 - 1997/07 |
JSPS Fellowship at RESCEU, Tokyo University |
| 1994/10 - 1995/09 |
Royal Society Fellowship at Lancaster University |
| 1992/10 - 1994/09 |
JSPS Fellowship at Kyoto University |
| 1988/10 - 1992/09 |
Ph.D. in Physics at Lancaster University |
| 1987/10 - 1988/06 |
Part III Mathematics at Cambridge University (fail) |
| 1984/10 - 1987/06 |
B.A. in Mathematics at Cambridge University |
