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Product Market Fit

About the Substack

Weekly actionable insights & resources to grow and fund your startup used by best in class companies like Notion, Stripe & OpenAI.

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  • Public Posts

Paid Subcription Benefits

  • Investor Lists & Startup Resources
  • Learn from world class founders and investors
  • Community Channel Access

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About Guillermo Flor

I'm Guillermo, a former startup founder now working as a venture capital investor. I write weekly about startups path to Product Market Fit, growth and fundraising

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