| 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. |
| 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. |
| Jan 2026 |
Group Senior Managing Executive Officer, General Manager of Group Global Strategy Division, General Manager of Group Global Department, Head of Overseas Investment and Friend Maker, Head of Overseas Management and Governance, Head of Overseas Listing of GMO Internet Group, Inc. (current position) |