| Authorized Director of Derivatives Business Operator HUA SENG HENG GOLD FUTURES CO.,LTD. | 02/05/2011 | |
| Authorized Director of Securities Business Operator HUA SENG HENG GOLD FUTURES CO.,LTD. | 02/05/2011 | |
| Fundamental Investment Analyst on Capital Market | 01/01/2025 | 31/12/2026 |