Bill Smith / MotorolaMotorola quality programme, 1986
A data-driven methodology to reduce process variation so defects fall below 3.4 per million opportunities — six standard deviations between mean and specification limit.
Jack WelchGE deployment, 1995 onward
A management system for near-perfect execution — moving quality from the factory floor to the whole enterprise, with belts, projects and hard financial accountability.
Mikel Harry & Richard SchroederSix Sigma, 2000
A business process enabling companies to design and monitor everyday activities in ways that minimise waste while increasing customer satisfaction and profit.
The EclipseFrontiers® LensVariation is the tax quality pays. Six Sigma is the audit.