What's the toughest decision your team is debating right now? What decision keeps coming up in your meetings? What decision deserves evidence instead of another meeting? What assumption has everyone accepted without testing? What would you test if you had complete confidence?

Stop guessing.
Start knowing.

Bring your toughest decision. Leave with a test.

Turn debates into evidence. In a 60-minute Experimentation Session, we'll help you clarify the decision, challenge assumptions, design an experiment, and leave with a clear next step.

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See How It Works
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Free
Next Price
$49
Next 20 Companies
Typical Outcome
1
Experiment Brief Delivered
Launch Offer Active
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Launch Pricing
Free → $49 → $149
Product Roadmap
✓ Experimentation Session Live Workshop Coming Soon Circle Coming Soon
Why Founding Members?
Help shape TesterPartner, receive lifetime founding pricing, and get priority access to future Workshops and Circles.
What You'll Leave With
A clear hypothesis, a recommended experiment, success metrics, and a practical next step.
Session Structure
Decision → Assumptions → Evidence → Experiment → Action Plan
Final Deliverable
Decision Brief, Hypothesis, KPI Framework, Experiment Design, and Next Steps.

See How It Works

One decision. One conversation. One clear next step.

BEFORE

Share Your Decision

Submit the decision you're facing, the context behind it, and your biggest uncertainty.

≈ 5 min
STEP 1

Clarify the Decision

We identify what decision needs to be made and the assumptions behind it.

10 min
STEP 2

Define the Hypothesis

Turn opinions into a clear, testable statement.

15 min
STEP 3

Design the Experiment

Define the test, success metrics, risks and effort.

20 min
STEP 4

Leave With a Plan

Walk away with a hypothesis, experiment design, and recommended next steps.

15 min

Questions We Explore Together

"Should we redesign,
or are we solving the wrong problem?"
"Should we lower prices,
or improve perceived value?"
"Do we need more traffic,
or better conversion?"
"Should we build this feature,
or validate demand first?"
"Is this a product problem,
or a communication problem?"

What If I Don't Have Enough Data?

That's okay.

You don't need perfect information. You only need a decision worth testing.

Choose your path

Every offering is designed to turn uncertainty into evidence. The only difference is who joins the conversation.

AVAILABLE NOW

Experimentation Session

Facilitate one important decision.

Bring one business decision. Leave with one prioritized experiment and a clear next step.

  • ✓ 60-minute facilitated session
  • ✓ 1–2 participants
  • ✓ Decision clarification
  • ✓ Assumption mapping
  • ✓ Experiment design
  • ✓ Experiment Brief delivered
Launch Offer Active
Book an Experimentation Session
COMING SOON

Experimentation Workshop

Facilitate alignment across your team.

Ideal for product, growth and leadership teams that need to transform different opinions into one experiment everyone supports.

  • ✓ 4–12 participants
  • ✓ Facilitated discussion
  • ✓ Shared assumption mapping
  • ✓ Prioritized roadmap
  • ✓ Team alignment
Join the Waitlist
Become an early member and help shape the format.
COMING SOON

Experimentation Circle

Learn with leaders facing similar decisions.

Join a moderated conversation where multiple companies bring one decision each and learn from collective evidence.

  • ✓ Cross-company discussions
  • ✓ Moderated by TesterPartner
  • ✓ Shared experimentation patterns
  • ✓ Collective learning
  • ✓ Practical takeaways
Join the Waitlist
Founding members receive priority invitations.

You already have opinions.
Let's get evidence.

Book an Experimentation Session and leave with a test.

Launch Offer Active
Book an Experimentation Session