• Leveraged intellectual property laws, big data analysis, and algorithms to implement risk control for hundreds of millions of products on the AE platform, identifying and removing infringing listings to protect the legal rights of both rights holders and consumers.• Identified and resolved intellectual property infringement complaint backlog issues on the AE platform. Reduced average complaint processing time from over 1 month to 1 day.• Systematically reviewed and addressed fake qualification issues for hundreds of thousands of branded sellers on the platform. Developed a prevention and control system that significantly reduced consumer disputes over counterfeit goods and complaints related to seller qualifications.• Combated sophisticated black-market attacks on the platform’s risk control system, removing millions of illegal products and tens of thousands of fraudulent accounts. Identified and pushed for the resolution of several technical and policy vulnerabilities, reducing risk exposure by up to 98%, and earning recognition from international industry associations.

•Utilized R/Python/SQL to analyze risk data for portfolio risk profile managing. Established and adjusted credit decision rules and underwriting rules backed by data to improve business performance. •Updating and monitoring roll-rate loss projections monthly and created dashboards for internal weekly business review.

• Prepared data for the 4th generation risk scoring model using R, integrating and cleaning millions of observations from sources such as credit bureaus, internal databases, and bank transactions.• Analyzed business cashflow data, developed predictors, and built scorecards using decision tree models to enhance risk profiling, significantly reducing loss rates for potential swap-ins.• Identified and resolved data integrity issues, contributing to $25K in operating expense savings.

• Conducted due diligence research on various Angel/Pre-A round investment opportunities involving the implementation of internet technology in conventional, logistic, insurance, agricultural, and healthcare industries. • Completed investments of $2M on two projects with one advanced to the next round at 3-times appreciation in valuation.

• FINRA Series 3 & 34 certified; registered with NFA (ID: 0506540) as an associated person.• Monitored news, and conducted fundamental and technical analysis on commodities futures and Forex. Managed daily trading logs and performance tracking.• Produced educational videos for customers on trading platforms and order placement processes.

- Developed comprehensive equity research reports analyzing companies’ financials, competitive landscape, and risk factors; provided buy, hold, or sell recommendations to senior management.- Applied the DCF model to estimate future cash flows, WACC, net working capital, and terminal value, calculating EVs and 12-month target prices for senior analysts to guide valuation expectations.- Conducted in-depth industry research and utilized peer valuation models to assess target companies' trading positions.