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Kaizen

Kaizen (改善, Japanese for "change for the better") is a philosophy of continuous improvement built on small, incremental changes made consistently over time, rather than large, infrequent overhauls. Originating in Japanese manufacturing and popularized through the Toyota Production System, Kaizen holds that every process can be improved, that the people doing the work are best positioned to spot the improvement, and that steady small gains compound into large ones.

Core Principles of Kaizen

  1. Small changes over big bang projects: Kaizen favors many small, low-risk adjustments over rare, high-risk transformations.
  2. Everyone participates: Improvement isn't reserved for management; frontline staff who run the process daily typically spot waste and friction first.
  3. Standardize, then improve again: Once a change proves out, it's documented as the new standard, then challenged again later; improvement never "finishes."
  4. Eliminate waste (muda): Kaizen pays close attention to non-value-adding activity waiting, rework, unnecessary motion, and excess inventory or steps.

Kaizen vs. PDCA vs. Value Stream Mapping

Kaizen is the philosophy; the PDCA Cycle is the operational loop teams use to run it: plan a small change, try it, check the result, then standardize or adjust. To find where to focus first, teams often start with Value Stream Mapping to see the full process and spot the biggest sources of waste, or a Five Whys analysis to get to the root cause of a specific problem before proposing a fix.

How to Run a Kaizen Practice

  1. Pick a process, not a department. Kaizen works best scoped to a specific workflow (e.g., "how a support ticket gets resolved"), not an entire org.
  2. Involve the people who do the work in identifying and proposing improvements.
  3. Make small changes and measure them rather than proposing a redesign from scratch.
  4. Document what works, so it becomes the new default, not a one-off fix that quietly reverts.
  5. Hold regular cadence, weekly or biweekly Kaizen events to keep the practice alive instead of it becoming a one-time initiative.

Kaizen requires consistent, visible practice to compound - a process improved once and then left alone reverts to its old habits within a few weeks, which is why established Kaizen practices are typically run out of a dedicated space, an Obeya, where the current process and open improvements stay in view of everyone involved. Distributed teams can reproduce that same constant visibility on a MockFlow IdeaBoard, keeping the process map and in-progress changes in one place the whole team checks routinely, rather than an improvement log that only gets opened once a quarter.


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Contents Core Principles of Kaizen Kaizen vs. PDCA vs. Value Stream Mapping How to Run a Kaizen Practice
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