The Iterative Inchworm

Understanding Waterfall

Base illustration from

“It’s all in the prep.”

Plan the work. Work the plan.

Waterfall Drawbacks

Design Definition Sequencing

Image by Uni Nativ

Accrued Risk

Plan Rigidity

Iterative Benefits

Deployment early and often

Plan flexibility

Progressive Detailed Design

Iterative Challenges


Embracing MVP

Pushing authority down


You could never build a nuclear submarine via an iterative approach, because the bulkheads would leak and the sailors would all glow in the dark.




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Drew Harteveld

Drew Harteveld

BUSINESS PROCESS & OPERATIONAL LEADERSHIP; I organize people, process, and tools to create scalable delivery to the market.