| Authorized Director of Securities and Derivatives Business Operator MERCHANT PARTNERS SECURITIES PUBLIC CO.,LTD. | 28/02/2024 | |
| Authorized Director of Securities Business Operator MERCHANT PARTNERS ASSET MANAGEMENT LTD. | 09/12/2019 | |
| Manager of Securities and Derivatives Business Operator MERCHANT PARTNERS SECURITIES PUBLIC CO.,LTD. | 11/10/2024 | |