Jin-youl Yang is a seasoned Operational Excellence leader with over a decade of experience driving Lean & Six Sigma transformation across Merck’s global electronics and semiconductor operations. As Head of Operational Excellence, he has led OE programs spanning 20+ sites and managed large CAPEX projects exceeding €50M, blending strategic program design with hands-on project execution. A Lean & Six Sigma Master Black Belt since 2009, he couples deep process engineering and quality assurance roots with practical coaching and training of black- and green-belt teams. His background managing engineering, utilities, and ISO-driven QA gives him rare end-to-end visibility from lab validation to plant operations. Based in Pyeongtaek, he favors pragmatic simplicity—“Keep it simple, stupid”—applied to complex, cross-border operational challenges. Peers know him for turning high-value improvement opportunities into measurable, sustainable results.
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