Sigma Levels in Six Sigma

Instructor: Brianna Whiting
Being able to operate efficiently requires knowledgeable individuals and a company dedicated to those practices that can help accomplish this task. In this lesson we will learn about some of the training that prepares employees to take on these tasks.

What is Six Sigma?

Companies want to make a profit and cut costs. They want operations to run efficiently and smoothly. In order to accomplish all of these goals, many companies have enlisted in the help and implementation of Six Sigma. Six Sigma is a method in which companies try and eliminate defects from the company and all of their processes. To ensure that Six Sigma is applied and running correctly, employees go through training and take courses to achieve different levels of Six Sigma certification. Come along as we learn about those certifications.

Foundation Background

Before we learn about each certification, let's learn a bit more about the basics of Six Sigma. Six Sigma was developed hundreds of years ago, but it really became popular in the 1980's. Bob Galvin from Motorola decided that the company needed a better way to measure any defects in their products. By creating a way to measure defects, Motorola was able to save more than $16 billion utilizing this method. Because of Motorola's success, many other companies started using Six Sigma as well. Some examples include Honeywell and General Electric Company.


The most basic entry level certification of Six Sigma is Champion certification. Those that are Champions understand the basics of Six Sigma, but are not equipped with the needed skills to actively participate as a project team member. Most Champions are executives within the company and have influence to remove obstacles and can provide resources. Some important tasks of a Champion include: developing project objectives, helping to select black belts to lead projects, removing barriers, reviewing project timelines, and helping keep the team focused on the project.

Green Belt and Yellow Belt

A Green Belt has a good working knowledge of Six Sigma principles and practices and consist of mostly managers. Green Belts are able to lead some basic projects or be a part of the project team. Green Belt training centers on problem solving skills and data analysis. Some responsibilities of Green Belts include refining and reviewing the project charter, selecting team members for the project, helping analyze data and providing a communication channel.

Those that have passed the Green Belt certification but have not yet completed a project are called Yellow Belts. They collect data and help choose team member for projects.

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