Dr. John X. Wang, a manager of reliability engineering at Maytag Corporation, taught Maytag(TM)s Design for Six Sigma training courses. He served as Six Sigma Master Black Belt certified by Visteon (where he led Design for Six Sigma training programs) and as Six-Sigma Black Belt certified by General Electric (where he led Design for Six Sigma best practice projects). He has been an American Society for Quality Certified Reliability Engineer and an International Quality Federation Certified Six Sigma Master Black Belt. 0131448552AB02172005