Six Sigma Project Charter Guide
A Six Sigma project charter authorizes a process improvement project and defines the problem, expected benefit, scope, baseline, goal, team, timeline, and measurement approach. It gives the DMAIC team enough direction to investigate the process without turning the charter into the full analysis.
This guide targets the Six Sigma project charter keyword cluster found in SEMrush, including Six Sigma project charter template, Six Sigma project charter example, and lean Six Sigma project charter. It is intentionally separate from the broad project charter guide because process improvement charters need stronger measurement and defect language.
Key Takeaways
- A Six Sigma charter should define the problem in measurable process terms.
- The charter should include business case, goal statement, scope, baseline, team, timeline, and expected benefit.
- DMAIC work needs clear boundaries so the team does not solve every related process issue.
- The sponsor should approve the charter before detailed measurement and root cause analysis begins.
Six Sigma Project Charter Sections
| Section | What to include |
|---|---|
| Problem statement | Current process issue, impact, and evidence |
| Business case | Why the problem is worth solving now |
| Goal statement | Target outcome, metric, and timeframe |
| Scope | Process boundaries, locations, teams, and exclusions |
| Baseline | Current defect rate, cycle time, cost, quality, or service level |
| Customers or CTQs | Critical-to-quality needs affected by the problem |
| Team | Sponsor, process owner, belt lead, subject matter experts |
| Timeline | DMAIC milestones and review points |
| Risks and assumptions | Data limits, adoption risk, operational constraints |
| Approval | Sponsor authorization to proceed |
The risk assessment matrix guide can help prioritize which process risks belong in the charter.
Six Sigma Project Charter Example
| Field | Example |
|---|---|
| Problem | Escalated support requests wait too long before product triage begins |
| Business case | Delays increase customer frustration, rework, and renewal risk |
| Goal | Reduce average escalation wait time by 25 percent within one quarter |
| Baseline | Current average wait time is measured from escalation timestamp to product owner acknowledgement |
| Scope | Support-to-product escalation flow for priority customer issues |
| Exclusions | Full roadmap prioritization, billing disputes, and non-product support requests |
| CTQ | Timely acknowledgement, clear owner, and accurate severity classification |
| Team | Sponsor, process owner, support lead, product lead, analyst |
| DMAIC milestones | Define approved, Measure complete, Analyze complete, Improve pilot, Control handoff |
| Risks | Incomplete timestamp data, unclear ownership, low adoption of the new workflow |
This example is specific enough for approval but still leaves measurement, root cause analysis, and solution design to the DMAIC work.
Lean Six Sigma Charter Considerations
Lean Six Sigma charters should connect waste reduction to measurable quality or flow improvement. Add these details when relevant:
- the process step where waiting, rework, defects, or handoff delay appears
- the operational metric that proves the waste exists
- the customer or internal stakeholder affected by the waste
- the constraint that prevents the team from broadening the project too far
- the control plan needed after improvement
Use project success criteria to make the improvement target testable before the team starts analyzing solutions.
Common Six Sigma Charter Mistakes
Writing a solution before proving the cause
The charter should define the problem and target. Do not lock in a solution before measurement and analysis.
Making the scope too wide
Process improvement projects fail when the team tries to fix an entire operating model. Keep scope at a process, workflow, product line, region, or team boundary that can actually be measured.
Using vague metrics
Terms like better quality or faster service are not enough. Define the current baseline, target metric, and review window.
Forgetting the process owner
The belt lead can run improvement work, but the process owner must help approve, adopt, and sustain the change.
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