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Sylvian

Inactive

Specialized AI Agents.

F25·Fall 2025·B2B·San Francisco, CA, USA·Team of 2·Founded 2025

Website ↗YC page ↗LinkedIn ↗Twitter ↗GitHub ↗

About

Sylvian helps companies build specialized AI agents.

Founders

William Huang· Founder
CEO @ Sylvian. IPhO Gold, Ex-Waymo, Citadel Securities, Stanford CS.
LinkedIn ↗Twitter ↗
Niall Kehoe· Founder
CTO @ Sylvian. Ex-Stanford CS, Two Sigma, Harvard Medical School / Stanford research
LinkedIn ↗

Product launches · 1 launch

Sylvian: Data for LLMs through Competition ↗▲ 36Nov 4, 2025
Sylvian incentivizes high quality expert data for LLMs through Competition

Change history · 6 recorded

July 5, 2026
- YC partner updated08:01 PM
- Founder profile updated08:01 PM
- Launches refreshed08:01 PM
June 21, 2026
- YC partner updated08:01 PM
- Founder profile updated08:01 PM
- Launches refreshed08:01 PM