Wilson Cai
Principal Machine Learning Engineer at Atlassian
Berkeley, California, United States
Summary
👤
Senior🎓
Top SchoolWilson Cai is a Principal Machine Learning Engineer with a decade of experience building applied ML and NLP products, most recently leading the science team that shipped Office Word Copilot at Microsoft and now driving ML at Atlassian. He blends a Ph.D. in Biostatistics from UC Berkeley with hands-on expertise in transformer models, information retrieval, knowledge grounding, causal inference, and responsible AI to turn research into production-grade LLM applications. His background spans high-frequency alpha research at Citadel and adaptive experimentation at Facebook, giving him rare fluency across research, product, and deployment in high-stakes environments. Based in Berkeley, he pairs rigorous statistical training with practical engineering leadership, often working at the intersection of data science and large-scale user-facing AI.
10 years of coding experience
7 years of employment as a software developer
Ph.D. Biostatistics, Ph.D. Biostatistics at University of California, BerkeleyExchange Student Statistics, Exchange Student Statistics at University of California, DavisThe University of Hong Kong (HKU)
Stackoverflow
11reputation
654reached
0answers
1question
Github Skills (69)
cross-validation10
lasso-regression10
nlp9
bioconductor9
pytorch9
dimensions9
curve9
python8
deep-learning8
speech-recognition8
machine-learning8
natural-language-processing8
tensorflow8
sem8
testing7
Programming languages (4)
Github contributions (5)
wilsoncai1992/onestep.survival
Oct 2016 - Dec 2017
Contributions:88 commits, 10 PRs, 20 pushes in 1 year 2 months
pythonmachine-learningestimationcurvesurvival
wilsoncai1992/adaptest
Jul 2016 - Jan 2020
Data-adaptive testing under high-dimensions
Contributions:199 commits, 42 PRs, 129 pushes in 3 years 6 months
testingadaptivedimensions
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