Kaizen: Small Changes, Every Day, by Everyone
Everyone, every day
Kaizen means change for the better, and its radical part is the "everyone." In most plants, improvement belongs to engineers and managers, and operators are expected to run the process as given. Kaizen reverses that: the person closest to the work is closest to its problems, so the person closest to the work should be improving it. A plant running real kaizen hears from the floor every week, not once a year. A plant running fake kaizen has a suggestion box nobody empties and a slogan nobody believes. The difference is not the box. It is whether ideas turn into changes.
Daily kaizen vs. kaizen events
Daily kaizen is small, constant, and owned by the team: a moved tool, a clearer label, a sequence changed on Tuesday because Monday showed it was awkward. A kaizen event is a focused burst — a few days, one problem, a cross-functional team, a measurable target. Both matter, and they serve different purposes. Events break through problems too big for daily fixes. Daily kaizen keeps the plant improving between events, and keeps the team in the habit of noticing. A plant that runs events without daily kaizen gets a burst and a slide. A plant that runs daily kaizen without events never tackles its biggest constraint.
How a good suggestion system actually works
A suggestion system works when three things are true: it is easy to submit, every idea gets a fast answer, and implemented ideas are visibly credited to the person who offered them. Speed matters more than rewards. An idea answered in two days teaches people to offer the next one. An idea answered in two months teaches people to stop. And the best ideas are usually embarrassingly small — a shadow board, a relocated bin, a color change. Small ideas are not a weakness of the system. They are the system, compounding week after week into a plant that looks nothing like it did a year ago.
Why kaizen dies, and how to keep it alive
Kaizen dies the same way everywhere: leaders stop responding, ideas pile up unanswered, and the floor concludes that improvement is a campaign, not a culture. The antidote is routine — leaders reviewing ideas on a cadence, closing the loop in public, and treating a week with no ideas as a problem, not a quiet week. That routine is cultural work, which is why kaizen belongs with What Is Lean Culture? and why the full system is in The Lean Culture Blueprint. The daily habit rides in your pocket: https://apps.apple.com/us/app/lean-culture-advisory/id6790203662