NBM4 / THE RESEARCH ROOM

Turn product uncertainty into a system that learns.

A practical operating framework for discovering, validating, building, and growing products—without pretending outcomes are deterministic.

Explore the framework ↗

THE OPERATING FRAMEWORK

Two phases. Four stages. One evidence loop.

NBM4 connects early opportunity discovery with systematic engineering delivery. Each stage produces evidence for the next—and provides explicit falsification signals to pivot or iterate before committing engineering capacity.

THE PREMISE

Products are hypotheses about future behavior.

Code can execute deterministically. Product outcomes never did.

NBM4 gives teams a common structure for managing that uncertainty: explicit assumptions, typed product artefacts, evidence gates, and learning loops that keep strategy connected to delivery.

Read the NBM4 introduction →

LATEST THINKING

Research without ceremonial certainty.

View all articles ↗
25+ YEARS IN THE FIELD

ABOUT THE AUTHOR

Built in the field, not assembled from framework-shaped quotes.

Michael Kozloff has led product management, business development, and transformation work across Microsoft, VMware, IBM, startups, and more than twenty products. NBM4 is the operating framework extracted from that work—and continuously revised by new evidence.

Meet Michael →

START WITH THE SYSTEM

Less guesswork.
Better product bets.

Explore NBM4 →