Catherine Lee is an ML engineer and open-source contributor with a decade of experience building recommendation, ranking, and LLM systems across major tech and startup environments including Google, Snap, Adobe, Lamini, and Amazon. She blends research-driven curiosity with production chops—shipping personalization features for Prime Video and prototype vision and bandit systems at Snap and Adobe while contributing novel RL objectives and DPPO work to Hugging Face’s TRL. Her interests center on LLM post-training, alignment, and mechanistic interpretability, and she’s collaborated on multilingual safety efforts with Cohere and Hugging Face. Catherine co-founded ACM AI @ UCSD to teach and scale student ML education, reflecting a knack for translating research into accessible learning and tools. Based in San Francisco, she pairs rigorous academic training with hands-on experimentation on GPU clusters and cloud ML stacks, often focusing on methods that improve both efficiency and evaluation diversity.
10 years of coding experience
5 years of employment as a software developer
University of California, San Diego
Artificial Intelligence Graduate Certificate, Artificial Intelligence Graduate Certificate at Stanford University
Contributions:361 commits, 40 PRs, 333 pushes in 5 years 10 months
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