How to Turn AI Prototypes into Validated Products
Hosted by Marc Krejci
In this video
What you'll learn
The Eyebrow Metric
How to spot the exact interview moments that tell you what to build and what to cut.
The Prototype-Test Loop
How to run a one-shot build, test with 5–10 real users, then iterate using AI tools.
Design Partnership Agreements
How to turn early adopters into signed partners investors look for before funding.
Why this topic matters
Most founders don’t fail because they can’t build. They fail because they build the wrong thing. In this 30-minute session, you’ll get a practical system for customer validation: how to run interviews that surface real signal, test prototypes with real users, and turn early adopters into design partners.
You'll learn from
Marc Krejci
Fractional CPO at Pathfinder Foundry
20+ years designing and shipping software, including 7.5 at Meta (VR, AI, ML). Co-founder, multi-patent holder, fractional CPO for early-stage startups, with 60+ innovation initiatives across industries. He has been through enough failed builds, his own included, to know the bottleneck is never the code.
Trusted by builders from:
Go deeper with a course
Customer Discovery for Founders: Reach PMF Faster Leveraging AI
Marc Krejci
8-time founder. 7.5 years at Meta. 20+ years of zero-to-one launches.
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