kccheng.com

Kevin (Kai-Chen) Cheng

AI Research Engineer · Principal AI at Eight Sleep · previously Staff Engineer at Apple Intelligence

I build agentic AI products and publish the research behind them.

About

Who. AI Research Engineer. Currently Principal AI at Eight Sleep, building agentic AI products for sleep and health. Previously Staff Engineer at Apple Intelligence.

What I do. Reasoning, agentic systems (insight, self-evolution, agentic research), and agent evaluation.

Publications

2026ASTRA-bench: Evaluating Tool-Use Agent Reasoning and Action Planning with Personal User ContextXiu, Sun, Cheng, Patel, Date, Zhang, Lu, Attia, Vemulapalli, Tuzel, Cao, Bengio · arXiv:2603.01357, Mar 2026arxivpdf
2026Think Fast, Talk Smart: Partitioning Deterministic and Neural Computation for Structured Health Text GenerationarXiv:2605.29652, May 2026arxivpdf
2023Feedback Effect in User Interaction with Intelligent Assistants: Delayed Engagement, Adaption and Drop-outarXiv:2303.10255 · PAKDDarxivpdf

Blog

Working notes on agent evaluation, foundation-model applications, and agentic systems. See the full list →

Contact

emailgithublinkedinscholar
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