| Authorized Director of Securities and Derivatives Business Operator KRUNGTHAI XSPRING SECURITIES CO.,LTD. | 25/05/2018 | |
| Complex Type 2 Investment Consultant | 01/01/2025 | 31/12/2026 |
| Manager of Securities and Derivatives Business Operator KRUNGTHAI XSPRING SECURITIES CO.,LTD. | 02/08/2019 | |