The Six Sigma program, created by Motorola in 1986, uses mathematical calculations to reduce process variations and waste. Green belt holders play a significant role in executing projects and improving productivity, and must pass a rigorous exam. Companies offer Six Sigma training, with some offering online classes and off-campus sessions.
Motorola designed the Six Sigma program in 1986 to help companies reduce process variations and reduce waste and repairs. Six Sigma students earn belts of different colors as they progress through their training, similar to earning belts in martial arts programs. To earn a Six Sigma green belt, a person needs to pass a rigorous exam and have at least three years of experience. He or she works under the supervision of the black belt holder. A person with a green belt can participate in projects and perform tasks that project leaders assign, but only Six Sigma black belts can actually execute projects.
The foundation of the Six Sigma program is using mathematical calculations to measure variances and determine how to improve processes. Green belt holders play a significant role in the successful execution of projects. They have in-depth knowledge of Six Sigma metrics as well as Lean principles, which is another system for improving productivity. Many green belt holders train workers to improve productivity and continuous improvement of their manufacturing practices. It is often the Six Sigma green belt that identifies problems by analyzing production processes.
The Six Sigma Green Belt written exam is typically four hours long, has 100 questions, and is an open-ended test. The certificate is valid for a lifetime, and a person seeking a black belt does not need to earn a green belt first. Most of the theories and definitions that are under test are covered in Six Sigma training courses. The Exam Development Committee typically uses the Six Sigma Body of Knowledge to write the test questions. Studying the latest version of the Body of Knowledge can increase a person’s chances of passing the exam.
Six Sigma green belt holders use the Six Sigma methodology to define a company’s weak or faulty processes, develop an improvement plan, and then share the plan with workers. Convincing people to participate in improvement plans is an important part of the task, because people don’t always accept change easily. After the plan is implemented, the Six Sigma Green Belt documents the progress, analyzes the risks involved, and helps the Black Belt close the project. A green belt performs all of this work under the strict supervision of the black belt project leader.
Several companies offer training for the Six Sigma program. Some offer the program through online classes. Others have campuses where interns stay while they complete their degree. Many training centers offer off-campus training sessions. A candidate should research the company before paying any monthly fees.
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