Paul Keller is a Senior Consultant with Quality America, Inc., where he has worked since 1992. Paul has developed and implemented many successful Six Sigma and quality improvement programs in service and manufacturing environments, including the automotive and aerospace industries. Paul specialized in Quality Engineering in the Master’s Program at the University of Arizona. He has authored and co-authored numerous books, including Six Sigma Demystified and Six Sigma Handbook (New York, McGraw-Hill). He has also written numerous articles for professional trade magazines and conference proceedings.