Fernstone
Fall 2025 · Active
AI-powered insurance brokerage for high-risk businesses.
Location: San Francisco, US
Founded: 2025
Team size: 3
Industries:
About
Fernstone is an AI-powered insurance brokerage for high risk businesses. We are competing with the 40,000 insurance brokers that sell $500B in commercial premium each year.
Before starting Fernstone, Luke and James met at Traba (Series A) when they started on the same day. Luke led a Growth team, closing some of Traba’s largest customers like JB Hunt and Kimberly Clark. James created and led Traba’s Enterprise function, growing it to 25% of company revenue. Bryant, James’ classmate from high school, was a Software Engineer at SentiLink and Google.
Founders
Luke ButtonCo-Founder
Building Fernstone. Prev. led a growth team at Traba, Head of Growth at Antimetal, cofounder at Contrast (acquired).
James ChenCo-founder
Building Fernstone. Previously created and led the Enterprise function at Traba (Series A), growing it to 25% of company revenue. Ex BCG and UChicago. Former debate champion, ranked #1 in the USA out of 10,000 teams.
Bryant LeCo-Founder
Building Fernstone. Former Engineering @ Google and SentiLink (Craft-backed Series A). Previously acquired and operated an Australian raffle company with a friend, 2x’d profits by building new tech tooling.