Xin Liu
Research Scientist at Google | LLM + Foundation Models + Health AI | UW CS PhD | Google PhD Fellow
- Role
- Senior Research Scientist at Google
- Location
- Seattle, WA, US
- LinkedIn followers
- 500 followers
About Xin Liu
I lead Google’s efforts in building AI systems for time-series sensor data and personal health. I directed the research and development behind Google’s frontier models in personal health, including the Large Sensor Model, Personal Health LLM, SensorLM, and the Personal Health Agent (https://health.google/ai-models). I am also a core contributor to Gemini 2.5’s tabular reasoning and data science reasoning.https://xliucs.github.io/
Experience
Senior Research Scientist
Nov 2024 — Present · Seattle, WA, US
I co-lead Google’s efforts in building personal health AI systems including projects like the Large Sensor Model, Personal Health LLM, SensorLM, and the Personal Health Agent. These projects have been highlighted with AlphaFold at Google AI models for Health.Core contributor of various core Gemini 2.5 pre-training and post-training foundational evaluations (tabular reasoning, cognitive reasoning). https://health.google/ai-models/
Education
University of Massachusetts Amherst
Bachelor's degree, Computer Science
2014 — 2018
University of Washington
Doctor of Philosophy - PhD, Computer Science
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