Why Six Sigma Black Belt Certification is Highly Preferred by Big Business? Quality management is a highly dynamic field. There are many opportunities that you can take advantage of. In the tenet of quality management comes the subject of lean Six Sigma Black Belt certification. Earning this certification can give you worldwide and global exposure in terms of employment. This course has become famous amongst the individuals who are interested in influencing major organizational decisions and taking part in the management process. However, deciding on the best place to take this certification course, you must consult reviews on the internet and get an idea of the best agencies that are involved in teaching this subject.