Blog

What I know from the floor, written so you can use it on Monday

One article per tool, with the mistake I see most often and how to fix it. No loose theory.

Fishbone diagram: why yours is not working

Twelve branches filled in and not one proven cause. That is how most of them end, and the defect comes back next month wearing a different name.

Next step

Tell me the concrete problem. I will tell you whether it is mine to solve or someone else’s, and what I would do first.