Dr. Roger W. Hoerl is manager of GE’s applied statistics lab. He partners on research and development with GE businesses ranging from NBC-TV and GE Capital to GE Aircraft Engines. He has implemented Six Sigma in a wide range of processes, ranging from corporate audit to delinquent credit card tracking. He was the winner of the American Society of Quality’s 2002 Brumbaugh Award. He and co-author, Dr. Ronald D. Snee, who is a principal in Tunnell Consulting’s Performance Excellence practice, also collaborated on the books Leading Six Sigma, the best-selling executive’s guide to Six Sigma, and Statistical Thinking: Improving Business Performance.