| Authorized Director of Securities and Derivatives Business Operator ROBOWEALTH INVESTMENT ADVISORY SECURITIES CO.,LTD. | 15/01/2021 | |
| Authorized Director of Securities Business Operator ROBOWEALTH MUTUAL FUND BROKERAGE SECURITIES CO.,LTD. | 27/12/2018 | |
| Derivatives Investment Manager | 01/01/2024 | 31/12/2025 |
| Manager of Securities Business Operator ROBOWEALTH MUTUAL FUND BROKERAGE SECURITIES CO.,LTD. | 05/01/2021 | |