Chi Choi
Engineer at NVIDIA
Davis, California, United States
Summary
👤
Senior🎓
Top SchoolChi Choi is an engineer and PhD statistician based in Davis, CA, with 11 years of experience applying rigorous statistical modeling to real-world problems across industry and academia. He has contributed to autonomous vehicle planning at NVIDIA and advanced forecasting, privacy, and human-evaluation efforts at Google and Uber, blending probabilistic modeling, ML, and scalable pipeline implementation. His background includes doctoral research in statistics and cosmology, teaching experience across undergraduate and graduate levels, and internships that turned experimental vegetable-quality data and map-routing tasks into production-ready insights. Comfortable with Stan, PySpark, scikit-learn, and long-horizon time series architectures, he moves fluidly between research-grade methods and engineering constraints. Notably, he has translated hierarchical Bayesian models into R packages and deployed seasonality-aware neural approaches, demonstrating a track record of turning complex academic methods into operational tools.
11 years of coding experience
1 year of employment as a software developer
Doctor of Philosophy (Ph.D.) Statistics, Doctor of Philosophy (Ph.D.) Statistics at University of California, DavisVisiting Student, Visiting Student at ETH ZürichThe Chinese University of Hong Kong (CUHK)
Chinese, English, Chinese
Stackoverflow
698reputation
32kreached
10answers
7questions
Github Skills (177)
programming-language10
firmware10
arm10
keyboard10
science10
julia10
rp204010
pystan10
machine-learning10
usb10
hpc10
julialang9
root-finding9
avr9
stan9
Programming languages (8)
Github contributions (5)
pochoi/GSL.jl
Feb 2016 - Jul 2017
Contributions:1 release, 6 PRs, 19 pushes in 1 year 5 months
julia-languagejulia-interfacegnugsljulia
pochoi/CosmoDeepLearning
Nov 2018 - Jan 2019
Contributions:20 commits, 16 pushes in 1 month
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