Most companies are focused on managing business improvement by using the Six Sigma methodology to achieve better profits through the elimination of non value added activities, and the elimination of defects. Six Sigma is a proven and results based approach to managing system changes and process improvement. It helps to eliminate variability and reduce costs, both of which will improve the Return on Investment. Recently, Six Sigma becomes part of the corporate culture and it helps an organization structured to be efficient, flexible, and informed. Certification against Six Sigma can demonstrate the success of business improvement of company and the power of commitment of project team members.