Continuous improving the processes in an organization

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Six sigma is a method that assures a significant support for improving the processes in an organization

By Liliana Nitu · Published 2026-11-10 · Updated 2026-11-10

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CONTINUOUS IMPROVEMENT OF THE PROCESSES - A CONTINUOUS CHALLENGE Nitu Liliana
48th EOQ Congress, Moscow, 2004 Why six sigma? Six sigma is a method that assures a significant support for improving the processes in an organization, by:  Creating a process focus  Forcing a customer focus  Allowing measurable tracking of improvements  Creating benefits from aligning a process with customers  Using as standard metrics defects per unit or defects per million units that can be applied to all processes of any organization: services, production, public sectors.
The six sigma methodology used by Motorola Corporation, reduced defects by 99.7% and saved the company US $ 11 billion, from 1987 to 1996. In addition, as a result of the 6 sigma program, Motorola Corporation became one of the first companies which received the Malcolm Baldrige Quality Award. The international financial division of Citicorp, Citibank, applied the 6 sigma method in 1997 to reduce defects within its divisions. The results were a reduction from 5 to 10 times of the defects, in this time. General Electric, which introduced 6 sigma program in 1995 saved in 1997 $ 500 million with $ 300 million invested in quality …

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