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Jake Knapp: recommendation

13 Jul 2025 Lenny's Podcast Rapidly test and validate any startup idea with the 2-day Foundation Sprint (from the creators of the Design Sprint) | Jake Knapp & John Zeratsky (Character Capital)

“Once you've got that founding hypothesis, then you're going to go and do design sprints, and we recommend you clear the calendar for two to three weeks at least, so you have the chance to be wrong about your hypothesis.”

— Jake Knapp

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Speaker
Jake Knapp
Attribution
Verified speaker
Claim type
recommendation
Recorded
13 Jul 2025
Publisher
Lenny's Podcast

Transcript context

…And you've just spent so many hours studying this, refining it, crafting it, and now you're just here to share all the answers, save us so much time. Just the ROI on this is incredible for us. So I appreciate you guys doing this. Let's get into it. Let's talk about the Foundation Sprint. Walk us through the process. How does it start? What are the steps? So specifically what we talk about with the Foundation Sprint is it's at the very beginning of your project. We recommend this kind of crazy idea that you clear your schedule, you clear your calendar. So the core team, this is the co-founders if it's a startup, if it's a product team inside a larger organization, it's whoever's in charge of product, it's whoever's in charge of engineering, it's whoever's in charge of design, it whoever's in charge of marketing, the core leadership team, they're going to come together for, it's going to be 10 hours roughly, give or take. And during those 10 hours, we're going to go through a sequence of activities, very highly scripted sequence of activities so that we can make all of the key decisions together and identify the basics of the project, what's going to differentiate us in the marketplace, and what's the best approach or implementation path. All of those together form a hypothesis. And then we recommend, so you finish now, that's your Foundation Sprint, you've got your founding hypothesis. Once you've got that founding hypothesis, then you're going to go and do design sprints, and we recommend you clear the calendar for two to three weeks at least, so you have the chance to be wrong about your hypothesis. And we're going to run experiments. And again, the Design Sprint, highly scripted, calendar clear, emails off, Slack is off. We're just focused on running through these sequence of decisions, building prototypes, getting them in front of customers, learning about a scorecard that relates back to the founding hypothesis. So at the big picture, it's going to be anywhere from 10 hours to three to four weeks. You're going to run this detailed script of activities with your team with their calendars clear. And that's crazy, and most people won't do it. But if you do it, it confers upon you a huge advantage because now you've got information, you know whether or not your product clicks with customers. And we've seen that be just such a tremendous signal for is there going to be product market fit? Okay. That was really helpful. The 10 hours is that specifically, that's the Foundation Sprint time box?…

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