Lean Six Sigma: Gate Reviews

Gate Review is a formal event that the project must pass at each DMAIC phase of the project. It helps focus us on specifics of project progress. Gate Reviews typically consist of formal Power Point presentation(s) followed by a question- and-answer session and discussion. They should include discussion of changes in schedule, assumptions, risks, financial benefits, resource requirements and EHS management of change analysis in each phase.

A Gate Review ends with a formal “Go/No-Go” decision by the sponsor. If the verdict is “Go,” the date and location for the next Gate Review should be set by the group and documented in the Project Plan. If the verdict is “No-Go,” the project ends or additional actions are defined to successfully pass the gate.

Halden Zimmermann's Gate Review
Gate Review

Timing for a Gate Review

Define Phase – After team launch
Measure Phase – After all current state data is collected/measurement system is validated

Analyze Phase – After sources of variation have been narrowed down
Improve Phase – After significant or targeted improvements are achieved Control Phase – After changes have been implemented
Validate Phase – Three months after project is completed – this is an extension of the Control Phase

Sustain (Optional): – After all benefits have been verified and the project is documented with Sponsor sign off (typically 12 months after Validate Phase Gate)

Benefits of the Gate Review

• Provides high-impact coaching opportunity

• Helps establish key deliverables
• Relates to Milestones in the project plan
• Prevents project rework

• Prevents false starts
• Generates buy-in
• Provides formal status reporting
• Highlights risks, issues, resource needs

• Shares Best Practices
• Manages EHS impact

Structure of a Gate Review

  • Project definition/Charter – highlight any changes
  • Project benefit update
  • Follows the DMAIC roadmap
  • Expect to spend 30-60 minutes per phase
  • 1/3 project presentation
  • 2/3 questions and discussion
Halden Zimmermann Gate Review
Gate Review with Key Phase Objectives

Gate Review Attendance

Initially, face-to-face meetings or a conference call/teleconference is recommended.

  1. Black Belt/Green Belt…………………..Required
  2. Project Sponsor…………………………..Required
  3. Process Owner …………………………..Required (if not = Project Sponsor)
  4. Project Team ……………………………..Required
  5. Stakeholders ……………………………….Suggested
  6. CI Director or CI Champion ……….Recommended
  7. Value Chain Partners ………………….Optional
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