| Authorized Director of Securities and Derivatives Business Operator MAYBANK SECURITIES (THAILAND) PUBLIC CO.,LTD. | 31/08/2021 | |
| Fundamental Investment Analyst on Capital Market | 01/01/2026 | 31/12/2027 |
| Manager of Securities and Derivatives Business Operator MAYBANK SECURITIES (THAILAND) PUBLIC CO.,LTD. | 28/06/2021 | |