Top 500 companies, 5 Years of risk analyst experience in top e-commerce industry, in charge of Risk and marketing analysis Leverage massive data and logistic regression to analyze key factors boosting trading volumes, which includes seller platform engagement, product quality and conversion rate, market demanding and competition level, logistics performance, policy compliance as behavior factors, combined with other credit factors, finally target at market driver with 75% accuracy. Lever with credit lines and products exposure rate, formulate optimal marketing strategy Cohort analysis on historical risky sellers to redefine risk monitoring timing and threshold, shorten 50% risk detection time and improve risk altering mechanism and response pace. Conduct Behavior analysis on risk drivers, timely fighting with malicious fraud, system abuse, policy violation, trademark violation behavior, account takeover etc. risk behavior, reduce 60% loss for platform Monitor on trading volumes and performance from top sellers, standard seller and below standard sellers, share business compliance report to improve top sellers adoption rate, full-dimension review on marketing performance, investigate on abnormal fluctuation and forecast future trendAchievement: Establish new seller evaluation model, and improve service level for seller development needs, model accuracy at 75% Data mining on New seller registration, Credit Risk and Fraud Risk, and apply seller's life cycle management, risk characteristics and behavior analysis, shorten 50%+ risk response time Strategic management on sellers with different profile, support best performance sellers to take up market share and maintain a healthy momentum of eBay platform, optimize customer service process to ease pressure, improve customer service efficiency at 10%.

• Portfolio Management in bank industry. Risk analysis and monitoring report on consumer and commercial loan thru set up scorecards models with their historical records, divide customers and their loans into different segmentations base on their risk bands, calculate proportion of asset on each risk band and arrive at portfolio optimization.• Automation on market report to improve efficiency. Combine SAS and VBA skill to develop automation process to release human resource from 80% of repetitive manual work.