1. Provided risk insight to the accountants by analyzing system event log and financial data with SQL, R and Excel, helped the audit team optimize annual audit strategies. 2. Delivered data-driven reports and presentations to different stakeholders with Tableau, PowerPoint and Excel. 3. Provided ad hoc support to management for business goals, such as gross margin analysis, cost analysis, business plan presentation
(mostly using statistical analysis, Python and Tableau). 4. Provided IT advisory services to listed companies with tailored suggestions for improving IT control. 5. Researcher and lecturer of SAP ERP in audit training workshop.