| Specialization and related fields |
|---|
| Business career | ||
|---|---|---|
| 1. |
1999/04/01
~ 2004/03/31 |
|
| 2. |
2004/04/01
~ |
|
| 3. |
2008/04
~ 2009/03 |
|
| 4. |
2012/04
~ 2016/03 |
|
| 5. |
2012/04
~ 2012/09 |
|