Gene Kim is the author of "The Phoenix Project" and co-author of "The DevOps Handbook," works that extended the Poppendiecks' lean software principles from the development team into the full delivery pipeline — including operations, deployment, and the organizational structures that separate or unite them.
The Three Ways
Kim's Three Ways framework — Flow, Feedback, and Continual Learning and Experimentation — maps closely onto the Poppendiecks' seven-lean-principles in the delivery context. Flow corresponds to deliver-as-fast-as-possible and eliminate-waste: make work visible, limit WIP, reduce batch sizes, and eliminate handoff delays across the development-to-operations boundary. Feedback corresponds to amplify-learning: shorten feedback loops at every stage, from code commit through production. Continual Learning corresponds to learning-not-results: treat problems as opportunities for system improvement rather than individual blame.
Extending lean to operations
Where the Poppendiecks focused primarily on the software development process — how teams build software — Kim extended the analysis to the full value stream from business hypothesis to running software in production. The value-stream-mapping-for-software logic the Poppendiecks applied to development pipelines, Kim applied to the entire delivery chain including deployment and operations. This completed the lean value stream analysis: waste in handoffs between development and operations is as real as waste within development.
The Phoenix Project
"The Phoenix Project" (2013) presented lean IT principles through a business novel format, making them accessible to a broad audience. The book explicitly positions its Three Ways as derived from lean manufacturing — citing taiichi-ohno and lean thinking traditions — and acknowledges the Poppendiecks' lean software work as foundational. This created a downstream popularization pathway that brought lean software ideas to practitioners who might not have read lean-software-development-agile-toolkit-2003 or implementing-lean-software-development-2006 directly.
IT Revolution
Through IT Revolution, his publishing and conference organization, Kim has created an ongoing institutional context for DevOps and lean IT practices that keeps the Poppendiecks' principles in active circulation in the practitioner community.