Thomas Liu
@thomasliu1
I build demand forecasting and simulation models that improve planning accuracy and quantify uncertainty.
United StatesWhat I'm looking for
At EPAM Systems, I build and maintain demand forecasting models for digital services, improving forecast accuracy by 15% over baseline methods. I use ARIMA, exponential smoothing, Monte Carlo simulation, backtesting, and sensitivity analysis to support capacity and resource planning.
Previously at Texas Instruments, I forecast semiconductor demand using regression, state space, and Bayesian hierarchical models. My work reduced forecast error by 12%, improved quarterly forecast precision by 10%, and automated Python and SQL workflows to save 20 hours per month.
Across Deloitte and Oracle, I've translated economic, demographic, and sales data into validated demand models and clear recommendations. I enjoy making statistical uncertainty actionable for technical and nontechnical stakeholders while mentoring analysts and maintaining reproducible analytical workflows.
Experience
Work history, roles, and key accomplishments
Developed and maintained ARIMA and exponential smoothing models to forecast demand for digital services, improving forecast accuracy by 15%. Led Monte Carlo simulations for uncertainty evaluation and implemented reproducible workflows in Python and R.
Built regression-based forecasting models for semiconductor demand, incorporating macroeconomic drivers. Applied state space models to reduce forecast error by 12% and developed Bayesian hierarchical models for low-volume items.
Developed econometric models to forecast client demand for consulting services using regression and time series techniques. Performed scenario analysis and Monte Carlo simulation to quantify revenue uncertainty.
Assisted in building regression models to forecast software license demand, contributing to a 5% improvement in forecast accuracy. Conducted data cleaning and exploratory analysis on historical sales data.
Education
Degrees, certifications, and relevant coursework
University of Texas at Austin
Bachelor's Degree, Computer Science
2008 - 2012
Bachelor's Degree in Computer Science from the University of Texas at Austin, completed in May 2012.
Availability
Location
United StatesAuthorized to work in
Salary expectations
Skills
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