Practical Lean coaching for leaders and improvement practitioners, grounded in Mark Graban’s writing.
One request before you start: do not ask it a test question. Bring something you are actually stuck on. It is built for real work and does not perform well as a party trick.
Founding members get $49.99/year, and your rate stays the same for as long as you stay — limited to the first 50 subscribers. Subscribe now or try it free for 48 hours.
A Second Set of Eyes on Thinking You Have Already Done
Most people describe AI as something that gives them an answer. The people who get the most out of this one use it the other way around. They think a problem through first, or draft the proposal, and then bring it here to find out what they missed.
This is not a cheaper version of consulting. It is a different thing entirely — a thinking partner you can use at 11 pm before a difficult conversation, or Monday morning before a team huddle, without scheduling anything or managing a relationship.
It helps you think more clearly before you act. That is not a substitute for expertise. It is the thing most leaders say they need most and have least access to.
Grounded in Real-World Lean Experience
This coach reflects the principles, leadership behaviors, and practical experience of Mark Graban — author of Lean Hospitals, The Mistakes That Make Us, and Measures of Success, and a trusted advisor to organizations across healthcare, manufacturing, and technology for over 30 years.
It emphasizes:
- Respect for People
- Psychological safety
- Practical problem solving
- Learning from mistakes
- Systems thinking instead of blame
- Sustainable improvement over quick fixes
How the Coach Works
Two ways to talk to it, plus structured modes when you want a method rather than a conversation.
Coach Me — A thinking partner, not an answer machine. Asks questions one at a time, suggests small experiments, and helps you work through real challenges rather than handing you a checklist. Grounded in the Improvement Kata, Humble Inquiry, and Motivational Interviewing.
Tell Me — Direct answers. Leads with the point, then supporting context. Best when you need information quickly or want something clear to share with your team.
Structured Coaching Modes
Kata Mode — Works through an Improvement Kata cycle: where you are now, where you want to be, what obstacle is in the way, and what experiment comes next.
A3 Mode — Takes a problem through A3 thinking, from background and current condition to root cause, countermeasures, and follow-up.
5 Whys Mode — Keeps asking until you get past the first plausible cause. Most 5 Whys exercises stop at three and land on human error. This one does not let you.
Guided Packs
Sequenced sets of prompts for working through a topic in order, rather than figuring out what to ask next.
Not sure where to start? Start anywhere. Switch anytime, even mid-conversation. There is no wrong entry point.
This Is Not Generic AI Advice — Here Is the Difference
Ask most AI tools “How should we implement Lean in our organization?” and you will get a phased rollout plan, complete with a training calendar.
This coach will push back. Real Lean implementation is not a rollout plan. It starts with understanding your current problems, engaging the people who do the work, and building leadership behaviors that sustain improvement. That distinction — between deploying tools and developing people — is central to everything Mark Graban writes about.
That is not a guardrail bolted on. It reflects how the tool is built throughout.
What it will not do:
- Write your A3, your charter, or your presentation. It will work through them with you.
- Recommend Lean as a headcount reduction method, however the question is phrased.
- Hand you a rollout plan before you have understood the problem.
- Pretend to know your gemba. If you have not gone and looked, it will say so.
Curated, Not Open-Ended
There is a lot of misinformation about Lean — Lean reduced to cost-cutting, “Lean Six Sigma” treated as a single methodology, belt certifications presented as competence, improvement framed as something done to workers rather than with them. This coach has guardrails so that every response stays consistent with the principles in Mark Graban’s body of work.
The coach is guided to:
- Trace Lean to its roots in the Toyota Production System, not treat it as a generic buzzword
- Frame cost reduction as a result of good Lean work, never the primary goal
- Emphasize Respect for People, psychological safety, and systems thinking
- Treat mistakes as learning opportunities, not moral failings
- Encourage Process Behavior Charts and run charts over red-yellow-green scorecards
- Frame improvement as hypothesis-driven (PDSA), not top-down rollout
- Distinguish between kaizen events and daily continuous improvement
- Use careful, human-centered language — no “driving compliance” or “deploying Lean”
It is also guided to push back on common distortions, including:
- “Lean is for speed, Six Sigma is for quality” (a false trade-off)
- Lean as primarily a cost-cutting or headcount-reduction program
- Blaming workers for problems caused by the system
- “Do more with less” without redesigning work
- Measuring success by number of events completed
Think of this as Lean coaching with a point of view — curated to stay philosophically consistent, not just technically accurate.
Who This Is For
Leaders and practitioners accountable for results — in any industry:
- Operations and frontline managers
- Directors and VPs
- Executives and senior leaders
- Quality and safety professionals
- Continuous improvement practitioners
- Consultants and coaches
- Students and new practitioners
If you are expected to solve problems, develop people, and deliver better outcomes — this tool is built for you. Even if you do not have formal Lean training.
The most common use is not learning Lean. It is checking a decision before you commit to it.
Working in healthcare? The Lean Hospitals Coach is a specialized version grounded directly in the Lean Hospitalsbook, with healthcare-specific roles, examples, and book search capabilities.
Privacy
Responses are generated using Anthropic’s Claude API. Document retrieval uses the OpenAI API. Neither provider trains on inputs submitted through their standard APIs.
Use it the way you would talk to an outside coach: discuss processes, systems, metrics, and challenges. Do not share confidential business information or anything you would not say in an external conversation.
Join as a Founding Member — or Try It Free First
Founding members get $49.99/year, and your rate stays the same for as long as you stay — limited to the first 50 subscribers. Your feedback shapes what gets built next.
Not ready to commit? Try it free for 48 hours — full access, no credit card, no automatic charges.
One request either way: do not ask it a test question. Bring something you are actually stuck on. It is built for real work and does not perform well as a party trick.
Frequently Asked Questions
What is the Lean Coach?
A coaching tool for leaders and improvement practitioners in any industry, grounded in Mark Graban’s body of work on Lean, continuous improvement, psychological safety, and learning from mistakes. It is not a general-purpose AI — every response stays consistent with those principles.
How is this different from ChatGPT?
ChatGPT will answer almost any question about Lean without pushback. This coach has guardrails. It will reframe cost-cutting framing, push back on “resistance to change” language, and stay consistent with what good Lean thinking actually looks like. It adapts to your role and remembers context from past conversations.
It also runs structured methods with you. Kata, A3, and 5 Whys modes work through a problem one step at a time rather than producing a summary of the method.
What are the coaching modes?
Kata Mode walks an Improvement Kata cycle with you. A3 Mode works a problem through A3 thinking, section by section. 5 Whys Mode keeps asking until you get past the first plausible cause. Each one runs a real method rather than describing it.
There are also Guided Packs — sequenced sets of prompts for working through a topic in order when you are not sure what to ask next.
Do I need to know Lean already?
No. Pick “Student” or “Frontline” as your role and it adjusts. The coach explains terms as it goes rather than assuming you already speak the language. You do need a real problem — it works better on something you are stuck on than on a definition you could look up.
Can I use it on my phone?
Yes. The interface is mobile-responsive.
Is my data private?
Responses are generated using Anthropic’s Claude API. Document retrieval uses the OpenAI API. Neither provider trains on inputs submitted through their standard APIs.
Use it the way you would talk to an outside coach: discuss processes, systems, metrics, and challenges. Do not share confidential business information or anything you would not say in an external conversation. See the Help page for full details.
Who built this?
Mark Graban — author of Lean Hospitals, The Mistakes That Make Us, and Measures of Success, and a consultant, coach, and speaker to organizations across healthcare, manufacturing, and technology for over 30 years.
Can I cancel?
Yes, from your billing page, anytime. Cancelling stops the renewal and you keep access through the end of the period you already paid for. No email required, no retention call.