Why Five Whys Aren’t Always Enough in Lean

We don’t just ask why. We start by properly defining and clarifying problems. Jumping straight to Five Whys is like jumping straight to “Learn” in the Lean Startup Build-Measure-Learn cycle.

We don’t just ask why. We start by properly defining and clarifying problems. Jumping straight to Five Whys is like jumping straight to “Learn” in the Lean Startup Build-Measure-Learn cycle.

Other Lean Podcasts & Shows LeanBlog Podcast (Mark Graban) KaiNexus Continuous Improvement Podcast Gemba Academy Podcast (Ron Pereira) Lean Leadership Podcast (Chris Burnham) The Lean Nation TV (Karl Wadensten) The American Innovator Podcast (Paul Akers) Radio Lean (Mike Wall) Lean…

Here is my latest article for the LinkedIn “Influencers” series, written for a general audience that might not be as familiar with Lean: How These Credit Card Websites Illustrate Lean Mistake Proofing I hope you enjoy the article, even as…
I love the show “Silicon Valley” and I just “binge watched” all ten episodes of Season 2 while traveling home from vacation. A few scenes from two episodes made me think about continuous improvement (yeah, even while on vacation). When…

The title here doesn’t refer to LinkedIn’s technology, their website, solving or causing problems. I’m referring to a post I wrote there the other day that has a Lean and Toyota angle to it. Click on the image to read…

Editor’s note (2026): In an era of AI, dashboards, and real-time data, Spear’s reminder still holds: information only matters if it changes behavior. TL;DR: Steve Spear argues that organizations deliver quality and value faster not by working harder, but by…

Jack Dorsey is well known among tech circles, as a co-founder of Twitter (he’s @Jack) and, now, as the CEO of Square. I’m a frequent Twitter user (I’m @MarkGraban) and I also utilize the Square reader occasionally to sell a book…

TL;DR: Lean works across factories, hospitals, startups, and services because it’s built on shared mindsets, not tools. These include customer focus, respect for people, going to the gemba, avoiding blame, solving problems at the root, and resisting “command and control.”…

I have been going through some old papers recently and I found two sheets of paper with hand-written thoughts or “truisms” that I had scribbled down in early 2002. The word truism, it turns out, doesn’t mean “true” so much as…

Hi, Dr. Les Muda here. You might know me from DoctorMuda.com and my occasional “guest appearances” here, including the one post I was brave enough to write here at LeanBlog.org under my own name. Be sure to check out my new…

Joining me for episode #219 is Tristan Kromer, a professional “Lean Startup” coach who works with startups around the world and volunteers for the non-profit Lean Startup Circle. In this episode, we discuss topics including how he got involved in…

OK, so it’s not the kind of scientific research that involves lab coats and microscopes, but I’m doing some research that I’d like your help with. I’m looking to do some research and some interviews for writing projects related to…