

| Apr. 1979 | Joined SORD corporation. |
|---|---|
| Nov. 1987 | Joined Softbank Research Institute |
| June 1992 | Joined SOFTBANK CORP. |
| Jan. 1994 | Head Secretary of SOFTBANK CORP. |
| Jan. 1996 | Director, Yahoo Co., Ltd. |
| July 1996 | President & CEO, Yahoo Japan Corporation (to present) |
| June 1998 | Director of SOFTBANK CORP. |
| June 1999 | Retired from the position of Director of SOFTBANK CORP. |
| June 2001 | Director of SOFTBANK CORP. (to present) |