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Raycaster

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AI for life sciences documents

Fall 2024Founded 20243 peopleNew York, NY, USA

About

Raycaster is an AI document workspace - think Cursor for regulated content, starting with life sciences teams to draft, edit, and review submissions much faster.

Founders ยท 1

Levi Lian
Levi LianFounder
UberStanford

Raised in a four-generation medical family, Levi chose computer science to accelerate research rather than practice it. At Stanford he worked in AI labs on early foundation model applications, then shipped enterprise-ready AI at Solvvy (acquired by Zoom), Intuit and Uber AI. Levi combines deep life-science empathy with proven AI product execution to compress drug-development timelines.

Launch

Launched on Y Combinator ยท Dec 2025
View launch post โ†—

AI workspace for high-stakes documents, not just code.

Raycaster builds an AI workspace for regulatory and CMC document projects in life sciences, starting with drug development docs. It provides a project-level workspace, a dependency graph of documents, and an AI agent to research, draft, edit, and reconcile across mixed formats with citations and version control.

Formerly โ€œAtlasโ€

B2BProductivityArtificial IntelligenceSaaSBiotechEnterprise Software

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