Windy Hill 道場
Where discipline meets
measurable results.
A clearing house for certified Lean Six Sigma Black Belts with proven, documented outcomes. Every Master on this roster has delivered real results — not just credentials.
Not a staffing firm.
A proving ground.
Every Master in the Windy Hill Dojo has delivered real, documented results — defect reduction, cost savings, throughput gains. We don't list credentials. We vouch for outcomes.
Whether you need a short engagement to break a bottleneck or a long-term partner to rewire how your operations think, we match you with the right Master for your industry, your culture, and your problem.
Five steps to a better operation.
Meet the Masters
Each profile links to a full bio page where you can review certifications, documented results, and industry background before you ever make a call.
Curious what a Master Black Belt
actually knows?
Most people assume Lean Six Sigma is a manufacturing tool with a difficult certification. The Master Black Belt exam runs 110 questions over 5+ hours and covers everything from advanced statistics and experimental design to enterprise-wide deployment strategy and executive coaching.
We built a free prep app that covers the full ASQ CSSMBB Body of Knowledge — flashcards with spaced repetition, timed practice exams, formula reference, and a progress dashboard. Free to use. No account. No email.
Try the Free App →SM-2 algorithm surfaces cards you struggle with more often. Built for long-term retention, not cramming.
Full-length and custom exams with real CSSMBB time constraints. Filter by domain to target weak areas.
Every statistical formula on the exam, organized by domain and searchable by keyword.
Track mastery by domain. Set your exam date. See exactly where you need more practice.