2x founder
William Barthell
Co-Founder @ Janet AI (YC S25) | Building 24/7 agents that learn your company
2025Co-founder· Janet AI (YC S25)
Founder · since 2024Company
Janet AI (YC S25)
Role
Co-Founder & CTO
current
Stage
—
no public source
Raised
—
no public source
Based
San Francisco, CA
current
Founder / co-founder — the company's markEmployee / research role
Source: LinkedIn work historyProfile coverage5 of 7 · missing posts, contact
Experience
Career
2025Janet AI (YC S25)
Co-founderCo-Founder & CTO · San Francisco, CA · 2025 – Present
2024Stealth Startup
FounderFounding Engineer · New York, New York, United States · 2024
Bio
Co-Founder & CTO at Janet AI (S25). Prev. Founding Engineer and Employee #1 @ crypto startup where I designed a novel algorithmic AMM for Solana SPL-20 token trading and launch abstraction. Met 1:1 with investors to help raise $3M+ seed. Bachelor's in Computer Science @ UW-Madison.