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Six Sigma was developed by Motorola as a strategy for quality improvement and defect reduction in their manufacturing processes. Bill Smith, an engineer at Motorola, is considered the "father" of Six Sigma. -
Jack Welch, CEO of GE, adopts Six Sigma as a central strategy to improve quality and reduce costs. GE popularizes Six Sigma globally and demonstrates its effectiveness across various industries. -
GE and other companies began formalizing the DMAIC (Define, Measure, Analyze, Improve, Control) methodology as a structured approach to process improvement within Six Sigma. -
Mikel Harry and Richard Schroeder publish this book, which becomes a key reference for understanding Six Sigma and its applications in business management. -
AlliedSignal, which later merged with Honeywell, implements Six Sigma and achieves significant improvements in efficiency and quality, further strengthening the methodology's reputation. -
Many organizations begin combining Lean Manufacturing principles with Six Sigma, creating the Lean Six Sigma methodology to maximize efficiency and waste reduction along with quality improvement. -
Six Sigma extends beyond manufacturing, applying to the service industry and information technology, demonstrating its versatility and effectiveness in various business areas.