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Olivia Liau
Junior Data Scientist specializing in ML research, NLP, and healthcare analytics
Los Angeles, CAData Analyst2 years experienceJuniorTechnologyHealthcareBiotechnology
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About
Completed an Amazon externship building a GPT-4 + RAG pipeline to summarize themes from hundreds of employee reviews for workforce analytics aimed at improving warehouse retention. Emphasizes production-readiness through labeled-data evaluation, source attribution for explainability, human-in-the-loop review, and rigorous data cleaning/observability to debug real-world LLM workflow issues.
Experience
Data AnalystHope Services
Data AnalystBioKind Analytics at USC
Amazon - Business Analytics ExternExtern
Data Science Research InternWorcester Polytechnic Institute
ML Research InternUniversity of Wyoming
ML Research Intern, Informatics and Computing in Neuroscience LabUniversity of Southern California
Education
University of Southern Californiamaster, Applied Data Science (2027)
University of Southern Californiabachelor, Computer Science (2027)
Key Strengths
- Built GPT-4 + RAG NLP pipeline from prototype toward production for workforce analytics
- Improved reliability via evaluation on labeled data and added source attribution for explainability
- Designed human-in-the-loop review to balance speed and safety for sensitive/low-quality review data
- Systematic LLM workflow troubleshooting using controlled inputs, logging, and metrics
- Strong data-quality focus (manual QA, normalization, schema cleanup) to resolve multilingual parsing issues
- Able to tailor technical presentations to developer audiences with emphasis on methodology and metrics
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