James Xu
Fraud Prediction Expert @Wells Fargo
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WORK HISTORY
Fraud Prediction Expert @Wells Fargo
San Francisco, CA, US
Deploys, tests, and productionizes machine learning algorithms in real-time decision enginesDesigns custom machine learning algorithms to predict rare events with incidence 80 million records & >700 fieldsEnhances loss prevention strategies for check deposits, check cashing, and withdrawalsProvides analytical guidance to FICO in their development of self-calibrating outlier modelsCreates fuzzy matching algorithms to tie records across disparate data sourcesBuilds dashboards using Tableau to monitor return, overdraft, and loss metricsResearches individual large loss cases for deeper analytical insightCreates slides for monthly business operation reviews
EDUCATION
Lewis University
Master of Science - MS, Data Science
IHM Health Studies Center
N/A, Emergeny Medicine
Washington University in St. Louis
BSBA, Finance
Saint Louis University
Park's College of Aviation, Air Force Reserve Officer Training Corps
Saint Louis University
MPH, Biostatistics and Epidemiology
SKILLS
ABOUT JAMES XU
What I Enjoy Doing Most- Writing customized machine learning algorithms to predict consumer behavior- Building statistical models to advance biomedical knowledge My Machine Learning Skills- Designing and writing code for customized machine learning algorithms- Mining Big Data (>80 million records & >700 fields per dataset)- Naive Bayes Classifier- Decision Trees- Random Forest- Artificial Neural Networks- Unsupervised Learning/Clustering- Frequent Item Sets/Association Rules- Collaborative Filtering- Self-calibrating Outlier DetectionMy Statistical Modeling Skills- ANOVA & ANCOVA- Bootstrap- Stratified Sampling Design- Logistic Regression- Survival AnalysisExperience9 years of prediction in 4 industries- Banking (4 years)- Direct Marketing (2 years)- Healthcare (2 years)- Aerospace (1 year)Education- MSDS 2020 (expected): Master of Science in Data Science- MPH 2010: concentrations in Biostatistics & Epidemiology- BSBA major in Finance
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