Siqi Cindy Zeng
CS PhD @ UIUC | Anthropic Fellow | ex-Meta
- Role
- Anthropic Fellow at Anthropic
- Location
- Urbana, IL, US
- LinkedIn followers
- 500 followers
About Siqi Cindy Zeng
My current research focuses on mechanistic interpretability and efficiency of large language models (LLMs), with an emphasis on scalable adaptation and modular composition in multi-domain learning. I study how techniques such as task arithmetic, model merging, and mixture-of-experts (MoE) architectures can improve the efficiency, controllability, and safety of foundation models. Meanwhile, I am interested in bridging LLM interpretability with large-scale recommendation systems developing methods that make ranking systems explainable and efficient.
Experience
Anthropic Fellow
Jan 2026 — Present · San Francisco, CA, US
AI safety.
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