Learn what Six Sigma is, how it works, and its key principles in this comprehensive Six Sigma guide. Discover the benefits, methodologies and tools. Six Sigma is a set of management techniques developed by American engineer Bill Smith in 1986 while working at Motorola to boost the company’s profits. In the first 20 years alone, this data-driven approach to quality control saved Motorola $17 billion. Many Fortune 500 companies, such as General Electric, Microsoft, and Honeywell, have hired and trained employees and consultants with a Six Sigma certification to drive significant cost savings. The method’s principles harmonize ... Six Sigma is a data-driven approach and methodology for eliminating defects in any process. Learn the history, principles, roles, methods, and tools of Six Sigma and how to apply it in your organization. Six Sigma is a data-driven methodology designed to enhance business processes by identifying and rectifying defects, thereby ensuring optimal efficiency and superior results.