The Network for
Serious AI Builders
Connect with founders, engineers, and operators in the serious AI ecosystem.
Why it exists
Professional networks weren't built for what AI founders need
Every profile shows real status: hiring, open to a cofounder, building in stealth, or looking for collaborators.
Alex Kim
Founder · Healthcare AI
Recent activity
Building clinical LLM workflows. Looking for a technical cofounder with ML infra experience.
Filter by AI Safety, Healthcare AI, LLM Infrastructure, and more. Find people in your vertical, not just your job title.
Focus area
12 founders in Healthcare AI
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Founders, engineers, and operators building in AI across major hubs. Explore profiles, follow the feed, and connect with teams worldwide.
- Members in London, the Bay Area, New York, and beyond
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Who it's for
Built for AI builders
Founders
Hire and find cofounders
Set your status, share what you are building, and post to the feed.
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Discover startups that need intros, advice, or hands-on support.
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CoStartups is for founders building companies, engineers joining early teams, and operators who want to help startups grow.