HeyJaredGrowth with Sean Ellis
Sean Ellis, author of Hacking Growth, writes about driving sustainable growth through data, experimentation, and deep customer understanding to optimize teams and turn product-market fit into lasting success.
- Indexed issues, last 90 days
- 3
- Latest publication
- Sep 24, 2026
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- Earliest in this view
- Sep 2, 2026
Latest issues
Why Systems Thinking Matters for Startup Growth (opens the original)
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In school, I never read textbooks cover to cover. I had a really hard time building a mental model one word at a time. I had to guess the mental model first by looking at the section headers, diagrams, and pictures. Then the words were essentially filling in the mental scaffolding that I had constructed.I approach growth for a company the same way. If I immediately start pouring through a startup’s data to eventually form a mental model, I’ll quickly get overwhelmed. So instead I start with a lo
Is Product/Market Fit Hiding in Your User Base? (opens the original)
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I often hear from founders who are confused by conflicting product/market fit signals. They run my product/market fit (PMF) survey and more than 40% of respondents say they would be “very disappointed” if they could no longer use the product. Based on this 40% benchmark I established years ago, they understandably believe that they have achieved product/market fit. But then they look at retention cohorts and notice that they continue to trend toward zero. In other words, for every 100 new people
Building a Growth Engine vs. Accelerating One That Already Works (opens the original)
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I’m excited to be wrapping up my fractional growth role with Friction Free Dental (FFD) this week and increasing my focus on Sekai. They’re both really interesting startups, but the engagements are pretty different.Working with them back-to-back has reminded me how different the growth challenge can be depending on what you’re walking into. I generally try to only work with startups that have already proven product-market fit, because pushing growth before that usually just wastes resources. But
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