Samuel Spitz

3x entrepreneur based in San Francisco. Forbes 30 Under 30. Find me on Twitter @samuel_spitz.Raised millions of dollars, scaled to 100,000s of customers, & 7-figures profit by age 24.I joined Replit in 2025 as the first dedicated product hire.At Replit, I’ve founded & built some of our biggest products (Replit Slides & Replit Animation), created $XXmn est. revenue with growth experiments I’ve built myself, and been responsible for some of our most successful marketing (including 100s of millions of views & leading the most viral launch in company history).I occasionally invest as an angel & a venture scout for a tier 1 fund. My portfolio includes: Browserbase, Trajectory, PloyAI, Type, Octolane, and several other companies in stealth.Read my Substack

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Media Coverage

See below for a list of recent articles about me and my companies.

• Forbes 30 Under 30 Profile Page
• Gently's Feature in TechCrunch
• Second-hand fashion startup Gently raises $2 million in funds

Personal Writing

I occasionally write essays about technology, philosophy, and economics. See below for highlights.

• "Pumping your bags" vs. "putting your money where your mouth is" -- how financial incentives distort opinion credibility
• The return of the Company Man
• Post-abundance communism
• Cursor vs. OpenAI & Anthropic
• How AI Sovereign States Will Weaken the US Dollar
• Agent Protocol: Payments for AI Agents
• Consumer Crypto is Stuck (& why AI users are the path to widespread adoption)
• ETH as Money (A New Medium of Exchange for the Digital Age)