| Dec 1999 |
Joined interQ, Inc. (currently, GMO Internet Group, Inc.) |
| Apr 2001 |
Manager of Corporate Strategy Office of Global Media Online, Inc. (currently, GMO Internet Group, Inc.) |
| Jul 2001 |
Resigned from Global Media Online, Inc. (currently, GMO Internet Group, Inc.) |
| Jul 2001 |
Established Arai Accounting Office |
| Dec 2003 |
Returned to Global Media Online, Inc. (currently, GMO Internet Group, Inc.) |
| Apr 2004 |
Head of Group Investment Strategy Office of Global Media Online, Inc. (currently, GMO Internet Group, Inc.) |
| Mar 2005 |
Director and Head of Group Investment Strategy Office of Global Media Online, Inc. (currently, GMO Internet Group, Inc.) |
| Dec 2010 |
Registered as a certified public accountant |
| Mar 2020 |
Executive Director and Head of Group Investment Strategy Office of GMO Internet, Inc. (currently, GMO Internet Group, Inc.) |
| Apr 2021 |
Executive Director and Head of Group Investment Strategy Office of GMO Internet, Inc. (currently, GMO Internet Group, Inc.) |
| Dec 2021 |
Director of GMO Payment Gateway, Inc.(current position) |
| Mar 2022 |
Group Managing Executive Officer, Head of Group Investment Strategy, Friend Maker of GMO Internet, Inc. (currently, GMO Internet Group, Inc.) |
| Mar 2024 |
Group Senior Managing Executive Officer, Head of Overseas Investment and Friend Maker, Head of Overseas Management and Governance of GMO Internet Group, Inc. |
| Mar 2025 |
Group Senior Managing Executive Officer, Head of Overseas Investment and Friend Maker, Head of Overseas Management and Governance,Head of Overseas Listing of GMO Internet Group, Inc. (current position) |