Most product teams go to market built on their own assumptions. In a world with more noise than ever — KERF cuts through it with real human validation, fast. The exact buyers who will make or break your deal, before you bet on the wrong one.
Sprint duration
3 weeks
Interview format
Deep 1:1s
Clients per quarter
3 max
ThecostofbeingwrongonAIfeaturesinregulatedindustriesisthehighestinthemarket—andproductteamsarevalidatingtheleast.
Every sprint we run is designed to close that gap in three weeks.
■The Problem
You went to market with a buyer
you've never spoken to.
PAIN 01
The buyer wasn't in your product review
Founders, PMs, and early advisors make the build decisions. The compliance manager, clinical lead, or ops director who controls the actual budget wasn't in that room — and has a completely different set of concerns.
PAIN 02
AI validates what's in the dataset. Not what's missing.
AI tools surface patterns from what you've already collected. They can't tell you what your buyers care about that you've never thought to measure — which is usually what determines whether an enterprise deal closes.
PAIN 03
Enterprise objections surface at the worst moment
The concern that kills your pilot at month three was visible in conversations that never happened at month one. By then, you've already built for the wrong buyer.
The pattern
The deal-killing objection, the pilot that stalls, the enterprise that goes cold after week two — they all trace back to something a real buyer would have said in week one. If anyone had asked.
■The Sprint
Three weeks. You show up twice.
Day 0
Kickoff
Days 1–4
Recruit + script lock
Days 5–15
Interviews
Days 16–19
Synthesis
Day 21
Readout
Your time commitment: Day 0 kickoff (1 hr) + Day 21 readout (2 hrs). We run everything in between.
■Who We Work With
Built for one type of team.
Where compliance and AI features collide
Fintech
Same risk profile. Fewer research vendors who understand it.
Insurtech
HIPAA stakes demand real evidence, not synthetic personas.
Digital Health
Early market. Thin research competition. High malpractice exposure.
Legaltech
0 1:1s
Interview format
0 weeks
Sprint duration
0 max
Clients per quarter
Q2 cohort is open.
Two partner slots. One is already in conversation.