Rui Cao
Data Scientist at Liberty Mutual Insurance
- Role
- Analyst i, Data Science at Liberty Mutual Insurance
- Location
- Somerville, MA, US
- LinkedIn followers
- 500 followers
About Rui Cao
Proficiency in Excel, Spark, R, Python, SQL, and Tableau. • Two-year experience in predictive analysis and machine learning models; familiar with ETL and working with data warehouse • Two-year experience in solving business issues by data analysis (collecting data, modeling, identifying keys, building metrics dashboard) • Adept at queries, report writing and storytelling especially to non-technical audience with data visualizations • Team player, fast learner and detailed oriented
Experience
Analyst i, Data Science
Nov 2021 — Present · Boston, MA, US
Built customer demand model, analyzed customer elasticities and participated in designing pricing optimization and calibration using price test to meet analytic goals; created lightGBM competitor prediction model and added premium limitation; automatized pricing setting with Python and Earnix packages and transferred SAS code into Python; monitored product performance with Tableau including loss ratio, conversion% and margin profit and presented to stakeholders; conversion rate raised by 0.8% and profit increased by 2% in new business• Provided price test solutions to Chinses local team, improved pricing calculation algorithms and custom demand modeling in China market• Tested competitor metrics and built conversion model with competitor prediction for home insurance product, presented to stakeholder• Built analysis, modeling, and diagnosis pipelines with connection to EC2 and Github, and monitored project versions in Git; documented work • Improved internal python package by adding cross-validation, greatly reduced the randomness in prediction and gave coworkers training; tested new approaches (double ML, rate level index, etc.) and application possibilities; data storytelling to stakeholders; peer work review
Education
Brandeis University
Master of Science - MS, Business Analytics
Zhongnan University of Economics and Law
Bachelor's degree, Accounting
2015 — 2019
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