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Product Market Fit

About the Substack

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

Free Subscription Benefits

  • Public Posts + The Founder Toolbox Free Access

Paid Subcription Benefits

  • Premium subscriber-only posts
  • Learn from world class founders and investors
  • Skool Community Access

Paid Subscription Plans

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  • €100 a year

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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