Being a motivated, versatile, and innovative individual I am open to new opportunities in Data Science, Quantitative Analysis, Statistical Analysis, Decision Science, etc. Substantial professional experience in applying quantitative and computing technology to solve business problems and support decision makings. Specialties: Data Science, Data Mining, Statistical Learning, Predictive Analysis, Machine Learning, Statistical Modeling and Inference, Cluster Analysis, Classification, Time Series Forecasting, Generalized Linear Regression, Decision Analysis, Risk Analysis, Optimization, Operations Research, Mathematical Modeling, ANOVA, Monte Carlo Simulation, Computer Programming (e.g., Python, R, VBA, SAS, Matlab, etc.), Database (using SQL to access enterprise data from systems such as MySQL, Teradata, Oracle, etc.), Big Data Tools (MapReduce, Hadoop, Hive, Impala, etc.) Programming Languages: R, Python, SAS, Visual Basic for Applications (VBA), etc. Others: SQL (working on Microsoft Access, Teradata, Oracle, etc.), Tableau, Minitab, SPSS, Matlab, Microsoft Office (advanced Excel and Access skills, including Macro and VBA), SAS Enterprise Miner, XML, etc.

Data Scientist @ Revenue Optimization, Hotel and Car Pricing, Hotel Sorting and Ranking, Purchase Likelihood Prediction, Market Segmentation, A/B Testing (Frequentist A/B Testing, Bayesian A/B Testing, and Multi-Armed Bandits), Data Visualization (Static, Interactive, and Dynamic), Reproducible Reporting, etc. (Tools: R, Python, SQL, Hadoop, Hive, etc.) From August 2015 to Present (5 months) San Francisco Bay AreaLead Revenue Management @ From November 2014 to August 2015 (10 months) San Francisco Bay AreaAVP, Quantitative Analyst @ Research and Analytics at Financial Intelligence Unit From May 2014 to November 2014 (7 months) Charlotte, North Carolina AreaResearch and Teaching Assistant @ Decision Analysis, Risk Analysis, Data and Statistical Analysis, Cost-Benefit Analysis, Scenario Analysis, etc. From August 2010 to May 2014 (3 years 10 months) Charlottesville, Virginia AreaPh.D. Intern, Operating Strategy @ Data Analysis, Statistical Analysis, Quantitative Modeling, Inventory Management, and Supply Chain Management From June 2013 to August 2013 (3 months) San Francisco Bay AreaData and Quantitative Analyst Intern @ Statistical Analysis, Regression Analysis, and Time Series Forecasting From June 2012 to August 2012 (3 months) Washington D.C. Metro AreaResearch Intern @ Data Mining, Machine Learning, Supervised Learning, Unsupervised Learning, Statistical Analysis, and Bioinformatics From May 2011 to August 2011 (4 months) Charlottesville, Virginia AreaStatistics and Simulation Analyst (Co-op) @ Discrete Event Simulation and Statistical Analysis From January 2010 to August 2010 (8 months) Toledo, Ohio AreaGraduate Assistant @ Operations Research, Statistics, Simulation, Operations Management, etc. From August 2008 to August 2010 (2 years 1 month) Toledo, Ohio Area

Doctor of Philosophy (Ph.D.), Systems Engineering @ University of Virginia From 2010 to 2014 Master of Science, Statistics and Operations Research @ Bowling Green State UniversityBachelor of Science, Industrial Engineering @ Huazhong University of Science and Technology Junrui Xu is skilled in: Data Mining, Machine Learning, R, Python, SQL, SAS, VBA, Predictive Modeling, Statistics, Quantitative Analytics, Data Analysis, Statistical Modeling, Time Series Analysis, Matlab, LaTeX