The Product Judgement Lab: Forecast Your Product Before the Market Grades It
Viveck P Kumar
CPO · ex-Amazon, Intuit, PayPal
Senior product leaders are paid for judgement. Few have ever measured it.
Every quarter you make product bets worth millions on instinct you have never measured. When the outcome lands, a well-told story stands in for a scored prediction. Because explanation gets graded on eloquence while prediction is never graded at all, twenty years of experience quietly becomes twenty years of confidence.
Product sense is a story. Product judgement is a track record.
AI has raised the stakes: teams ship in days now, so wrong choices are executed faster and committed to more deeply. Speed does not fix unclear value. It amplifies it.
The Lab trains the rarer skill, and it measures it. Fifteen intense days: three weekends and three evenings to learn Value Architecture, a complete system for diagnosing why customers adopt, stay, and pay, and for forecasting where your product's value will break first. Over six months, real forecasts on your own product resolve and get scored.
You leave with a one-page Value Architecture Brief, three live forecasts on the record, and something few product leaders have: a calibration record. You will know whether your 70% means 70%.
This is not a frameworks tour. Every belief you bring will be asked for its number.
What you’ll learn
Go from telling good stories about product outcomes to forecasting them, with a scored record that proves your judgement is improving.
Read the evidence customers leave behind: the workarounds they build, the pain that returns, and what holds them where they are
Score how much a problem is worth building on, and recognise when the honest answer is stop
Separate the deep reason customers keep showing up from what merely has to go right in each session
Name, in one sentence, the real reason your customers have not reached the outcome they want
Pressure-test it: if you cannot imagine a rival explanation, you are holding the industry's assumption, not a judgement
Design each job: the outcome worth staying for, the proof that creates belief, the cost you remove, the value that compounds
Find your weakest promise and the classic failure pattern it matches, before the market names it for you
Base rates, updating, calibration: the superforecasting method, applied to product bets
Write forecasts you can be scored on: the metric, the deadline, the confidence, and what would prove you wrong
An experiment without a prior prediction produces an outcome, not evidence
Your scores land, and every miss gets traced to the exact promise that broke
Build a private library of what you overestimate and underestimate, sharpening with every scored bet
A one-page falsifiable read on your product, ready for the room where the bet gets decided
The Product Judgement Test toolkit: a forecasting ledger and calibration dashboard you will use for every bet after the Lab
Learn directly from Viveck
Viveck P Kumar
20 years building products at Amazon, Intuit, PayPal, PropertyGuru. Now a CPO.
Who this course is for
Founders. Your product bets can change the company's trajectory. Price your conviction honestly before the market does.
CPOs, VPs, Heads of Product. You own a portfolio of bets and a room that expects you to be right. Take home a discipline your team inherits.
Product Directors, senior product leaders with decision rights. You own bets, not backlogs, and have live product decisions in front of you.
Prerequisites
A live product with real decisions in front of you
The Lab runs on your actual bets. Your Brief and forecasts are built on your product, not case studies.
Decision rights over product bets
You will log real forecasts and defend them. That only works if the bets are yours to make.
Comfort being wrong on the record
A scored ledger rewards honesty, not bravado.
What's included
Live sessions
Learn directly from Viveck P Kumar in a real-time, interactive format.
Two quarterly scored reviews, included
The part no weekend course can contain. At +3 and +6 months, your logged forecasts resolve, your scores land, and every miss gets traced to the promise that broke. Judgement is only measurable over time. This is where it becomes real.
Your Value Architecture Brief
One falsifiable page on your product: where its value stands, which promise breaks first, and the one repair that matters. Built during the intensive, ready for the room where the bet gets decided.
Three live forecasts, on the record
Probabilities, horizons, disconfirming evidence, logged on your real bets before you ship. Positions, not exercises.
A cohort of ten, by application
The room is the product: ten product leaders working on live products with real candor, under mutual confidentiality. Some applications are declined.
The Product Judgement Test toolkit
The forecast ledger and calibration dashboard: log bets, update on the record, watch your calibration curve form. Yours to keep for every bet after the Lab.
Lifetime access to all materials
Every instrument stays with you: the one-page canvas, the full workbook, the Brief template, and the case library.
Maven Guarantee
Your purchase is backed by the Maven Guarantee.
Course syllabus
Week 1
Oct
3
Early Join
Oct
3
Class 1: The Four Jobs, Customer Evidence, Problem Intensity, The Condition
Oct
4
Early join
Oct
4
Class 2: Lock-in, The Road vs. the Destination, Segmentation, The Hidden Bet
Week 2
Oct
11
Early join
Oct
11
Class 4: What Compounds, Stage and Vision, Your Weakest Promise
Oct
10
Early join
Oct
10
Class 3: The Destination, The Belief Moment, Removing the Switching Cost
Oct
8
Q&A with Viveck (Optional)
Oct
6
Forecast in the Wild
Free resources
Schedule
Live sessions
8-12 hrs / week
The intensive fifteen days Three weekends and three evenings, timed for the Americas (morning) and India (evening), plus optional Q&A sessions. Then two 2-hour scored reviews at +3 and +6 months. Weekend classes run 6:30 PM India, 9:00 AM New York, 6:00 AM San Francisco. Evening sessions run 7:30 PM India, 10:00 AM New York, 7:00 AM San Francisco.
Sat, Oct 3
12:45 PM—1:00 PM (UTC)
Sat, Oct 3
1:00 PM—5:30 PM (UTC)
Sun, Oct 4
12:45 PM—1:00 PM (UTC)
Your forecast ledger
1 hr / week
Between reviews you maintain the positions you logged: update when evidence arrives, on the record, never silently. This is the habit the Lab installs.
Refer a Product Leader
Know a founder, CPO, or product leader making high-stakes bets on instinct? Send them this. The Lab is for leaders whose judgement is about to be graded by the market anyway.
Frequently asked questions
Not sure yet?
Not sure the Lab is the right room for your bet? Book a 15-minute fit call.
Application only. Limited seats.
This is not a course you enroll in; it is a room you are admitted to. Every seat belongs to a leader with a live product, real decision rights, and the nerve to put a number on what they believe. Some applications are declined.
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