Experience

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  Boys & girls clubs of america

  Aug 2012 - Dec 2012

  Volunteer
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  Ucla

  Sept 2015 - Sept 2016

  Undergraduate researcher, data analyst

  - Research thesis: Use DNA methylation hypo and hyper methylated CpG utilizing multiple linear regression models to determine the cell type proportions of whole blood- Tested R and Python scripts by using organized data sets with different parameters under Unix environment- Wrote algorithms to generate simulated data sets and built the models by using R- Analyzed different statistical graphs and results, presented findings regularly

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  Zirmed

  Oct 2016 - May 2017

  Production analyst

  • Automated the creation and delivery of client’s executive reports using Excel Power Query and VBA to reduce completion time from 4 hours to 5 minutes.• Developed and analyzed trending reports based on denominator and numerator numbers for each measure and process time for each package to identify anomalies and improve production workflow.• Identified the correctness of SQL programming through developing 500 test data including claims, attribution, measures and service details for new clinical quality measures.• Assisted data flow management team with data processing and bug fixes. Show less

• 

  Dna motoring

  Jun 2017 - Jul 2017

  Data analyst

  • Optimized product listings on the Amazon, Walmart, eBay and company websites and increased sales by 20%. • Predicted the demand for motor’s mechanical components by building regression models.

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  Go!foton

  Jul 2019 - Dec 2019

  Pricing data analyst intern

  • Cooperated with Sales Team to clean up 10,000+ products’ prices through writing algorithm in R and using Dynamics ERP system, effectively increasing the data accuracy by 95%. • Created a database for all products information which are automatically updated weekly and reduced purchasing process time by 80%.• Categorized popular items in PowerBI and improved the order strategy to save 30% transportation cost annually.• Analyzed 2 years’ sales data and predicted quarterly orders by using Time Series models. Show less

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  Poynt by godaddy

  Sept 2022 - now

  • Performed risk related data analysis using SQL and built Looker and Tableau dashboards to help driving insights and mitigate risk exposure.• Designed and implemented new risk rules to enhance internal fraud detection system. • Developed risk team’s products and workflow by working cross-functionally with Engineering, Sales and Products. • Helped streamline both underwriting and transaction monitoring processes with the ultimate goal of automating the majority of it, increased the risk team’s work efficiency by more than 50%.• Performed KYB/KYC checks to mitigate risk at an early stage. Managed the collection and organization of large amounts of underwriting data for use in predictive analysis.• Monitored and reviewed merchant transactions in order to identify frauds and prevent asset loss. Furthermore assisted to perfect existing fraud detection rules.• Participated in building up the whole chargeback processes from scratch, managed the chargeback database on a regular basis. Show less

  • Risk Analyst

    Feb 2020 - now

  • Senior Risk Analyst

    Sept 2022 - now