Ask Art
"What does a Lean Promotion Office do and how is it organized?"
What Does a Lean Promotion Office Do?
Short answer: A lean promotion office — also called a kaizen promotion office (KPO) — is a staff group tasked with supporting improvement across an organization. The concept has gone through several phases since the 1980s, and the history matters. The original KPO model was sold to Western companies on a false analogy to Toyota’s OMCD. What Toyota actually had — and what a promotion office should do — are different things.
Where did the KPO idea come from?
Toyota did not have a kaizen support office during the first several decades of TPS development and I think this point is critical. From the 1950s through roughly 1969, improvement was driven entirely by line management — primarily Taiichi Ohno and his key people. TPS was a line function, not a staff program.
Around 1969, Toyota established the seisan chosa-bu (生産調査部) — the Operations Management Consulting Division, better known as OMCD (now also internally OMDD, Operations Management Development Division). This was a small group of handpicked internal people. Early members included Kikuo Suzumura and Fujio Cho, who later became Toyota’s president. OMCD’s role was specific: codify the production system, support its deployment into Toyota’s supply base, and run jishuken study groups with supplier companies and sometimes internally. Toyota also established TSSC (Toyota Supplier Support Center) in North America and other countries with a similar supply-base mission.
What OMCD did not do: run plant operations, conduct routine internal kaizen, or determine how individual sites were managed. In my time at Toyota at Kamigo Engine Plant there were exactly zero kaizen or jishuken events run by OMCD for example. The plant manager at the time rebuffed all suggestions from them and bluntly told the office they did not understand machining, tooling, or equipment specification well enough to be experimenting in his plant. 100% true story. Those remained line management responsibilities. The distinction matters because it was often lost in translation as leaders in other organizations decided to delegate the task of improvement to others.
How did the KPO model reach the West?
In the 1980s and 1990s, consulting groups began advising Western companies to establish kaizen promotion offices. The pitch was straightforward: Toyota has OMCD, you need something like it. The KPO’s job, as typically defined, was to schedule kaizen events — some led by external consultants, some run internally. Conduct some training and do follow up work, etc. The company would build capability over time by learning from the consultants.
The analogy to OMCD was largely false. OMCD was a small, elite group focused on the supply base and specific internal development activities. The KPO model of the 80’s and 90’s often turned the promotion office into the primary vehicle for improvement — scheduling events, facilitating workshops, tracking results, conducting follow up, etc. In practice, this transferred responsibility for daily improvement from line management to a staff function. Western companies had no way to fact-check these claims in the 1980s and 1990s. There was no internet, limited access to Toyota insiders, and the consulting groups controlled the narrative. I recall watching a consultant lecture a crowd at a conference that a Kaizen Promotion Office existed to schedule more kaizen events and of course spend money on consultants.
Some companies made the KPO model work. Wiremold under Art Byrne and parts of the Danaher system are real success stories — they learned from the events and turned them into operating models and management systems. But many more companies found that the model substituted consultant-led events for the line management discipline that actually sustains improvement. When the consultants left or the budget tightened, the gains eroded. I observed multiple failures of this type that led to union drives, worsening results, and declining morale. Anything done poorly — even kaizen — can produce unintended consequences.
What happened with Six Sigma?
In the late 1990s and 2000s, Six Sigma programs overtook lean in corporate adoption. A study I was involved with at McKinsey around 2000 searched annual reports for program mentions — roughly 70% of Fortune 100 companies had Six Sigma programs, massively dwarfing lean efforts in comparison, driven largely by the influence of GE and a few other high-profile adopters. The black belt certification model created a parallel staff infrastructure: trained specialists running projects, often disconnected from daily operations.
Six Sigma programs were notorious for booking project-level savings that did not materialize as actual operational performance improvement. A widely cited analysis by Charles Holland of Qualpro, reported in Fortune magazine, confirmed the gap: of 58 large companies that announced Six Sigma programs, 91% trailed the S&P 500 afterward. The pattern was similar to the KPO failure mode: a staff-driven improvement function that did not build line management capability. It pushed responsibility for improvement away from line management to support staff. When the program lost executive sponsorship or the trained belts moved on, the infrastructure often hollowed out.
Where do promotion offices stand today?
Today, most organizations use the term lean promotion office or LPO rather than KPO. The modern LPO runs the full spectrum. Some still operate as event-scheduling offices — coordinating workshops and tracking a kaizen calendar. Others have evolved into genuine operating-system builders — developing internal training, building management systems, and developing line leadership capability.
I have seen the entire spectrum. The effective ones share a common trait: they exist to develop line leadership, not to substitute for it. The promotion office is successful when line leaders develop the capability to drive improvement themselves — and the office becomes less necessary over time, not more.
See also: What Does Jishuken Mean?, Why Does Kaizen Fail?, What Is the Difference Between TPS and Lean?.