Davis R. Bothe is the Director of Quality Improvement at the Inter national Quality Institute, a consulting firm for quality and produce tivity improvement with a worldwide client base. He previously worked as a systems analyst for NASA, as a senior quality engineer for General Motors, and as an adjunct professor of Statistics at Eastern Michigan University. A Fellow of the American Society for Quality, Mr. Bothe is an ASQ certified quality and reliability engineer and is listed in the 1st edition of the International Who’s Who in Quality. With over 25 years of industrial experience, he has published numerous articles and is the author of various books and booklets. including Industrial Problem Solving, SPC for Short Production Runs, and Reducing Process Variation.