The Six Sigma Handbook, Third Edition
Thomas Pyzdekis a Six Sigma consultant with over 40 years of experience in the field. His clients include Ford, McDonald’s, Intuit, Boeing, Seagate, Avon Products,  and many other companies. Mr. Pyzdek is a recipient of the American Society for Quality (ASQ) Edwards Medal for outstanding contributions to the practice of quality management and the E.L. Grant Medal for outstanding leadership in the development and presentation of meritorious educational programs in quality. He has also recently received a Lean Six Sigma Leadership award from the American Quality Institute.Paul Kelleris Vice President of and senior consultant with Quality America, a Six Sigma Training company. Nearly 3,000 students to date have used his Six Sigma training program to achieve Six Sigma Green Belt and Black Belt certifications. Mr. Keller is the author ofSix Sigma Demystified.