
The Lean Startup
Eric Ries
Formalized the concept of validated learning, arguing that startups should be treated as experiments designed to test assumptions rather than vehicles for executing fixed plans.
A curated index of seminal works across entrepreneurship, decision science, and product discovery. These texts form the theoretical backbone of the Validation Labs methodology, prioritizing evidence over intuition.

Eric Ries
Formalized the concept of validated learning, arguing that startups should be treated as experiments designed to test assumptions rather than vehicles for executing fixed plans.

Steve Blank
Reframed entrepreneurship as a process of customer discovery, contending that premature execution without verified customer insight is a primary cause of early venture failure.

Ash Maurya
Extended this view by proposing a structured sequence for identifying and testing the riskiest assumptions first, positioning validation as a capital allocation problem.

David Bland
Cataloged experimentation methods explicitly designed to reduce uncertainty across problem, solution, and market dimensions.

Rob Fitzpatrick
Examined systematic failures in customer research, demonstrating how founders routinely collect misleading data that reinforces prior beliefs rather than testing them.

Alberto Savoia
Argued that most innovation efforts fail because teams validate execution feasibility before validating demand existence, proposing pre-commitment testing.

Melissa Perri
Critiqued output-driven development cultures, showing how organizations equate progress with delivery rather than learning, often masking the absence of validation.

April Dunford
Framed market positioning as an empirical discovery process, highlighting how inferred markets and post-hoc narratives frequently replace observed customer behavior.

Kim & Mauborgne
Addressed market creation by mapping demand landscapes, implicitly warning against entering spaces defined by assumption rather than observable unmet need.

Geoffrey Moore
Analyzed the discontinuity between early adopters and mainstream markets, illustrating how early validation signals often fail to generalize without further testing.

Clayton Christensen
Documented how organizations misinterpret early signals and over-index on existing performance metrics, leading to systematic errors in resource allocation.

Annie Duke
Introduced a probabilistic framework for decision-making, arguing that outcomes should be evaluated as evidence updates rather than confirmations of belief.

Philip Tetlock
Demonstrated that accuracy in uncertain domains improves through explicit hypothesis testing, continuous updating, and disciplined feedback loops.

Daniel Kahneman
Provided foundational insight into cognitive biases that cause decision-makers to substitute narrative coherence for statistical evidence.

Douglas Hubbard
Challenged the notion that early-stage uncertainty is inherently immeasurable, reframing measurement as a tool for reducing—not eliminating—unknowns.

Andrew Grove
Emphasized operational feedback systems as the primary mechanism for improving decision quality over time.

Stephen Bungay
Argued that effective execution depends on minimizing uncertainty through intent, autonomy, and rapid feedback rather than detailed upfront planning.

Amy Webb
Explored methods for identifying weak signals early, underscoring the importance of distinguishing meaningful evidence from noise in emerging environments.
It does not provide a repeatable, capital-disciplined, moat-aware system for practicing validation across many ventures in a low-cost, AI-enabled environment.
By operationalizing validation as a portfolio-level, evidence-gated, defensibility-conscious process, we attempt to turn the "theory" of these books into the "practice" of venture creation.