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About the Authors
H. Fred Walker is dean of the College of Applied Science and Technology at the
Rochester Institute of Technology (RIT). Fred’s research agenda is focused on
enhancing the competitiveness of manufacturers through appropriate technology
and operating practices. In support of his research agenda, Fred has written over
30 refereed articles published in national and international journals. Fred has also
authored or coauthored several books published by ASQ Quality Press, including
The Certified Quality Engineering Handbook, Second Edition, The Certified Quality
Technician Handbook, Applied Statistics for the Six Sigma Green Belt, and Statistical
Quality Control for the Six Sigma Green Belt.
Dr. Walker’s industrial experience includes 12 years with airborne weapons
systems integration and automation, supervision and administration, project
management, and program management in countries throughout the Pacific Rim,
Australia, and Africa. Fred’s consulting experience includes 25 years of continual
involvement with internationally based manufacturers from the semiconductor,
pulp and paper, biomedical equipment, food processing, printing, farm
implement, and machined component industries. This experience has enabled
Fred to earn the following ASQ professional certifications: Manager of Quality/
Operational Excellence, Quality Engineer, Reliability Engineer, Quality Auditor,
Six Sigma Black Belt, Quality Technician, Quality Inspector, Calibration Technician,
and Quality Improvement Associate.
Ahmad K. Elshennawy is a professor in the Department of Industrial Engineering
and Management Systems at the University of Central Florida. He received
his PhD and MEng in industrial engineering from Penn State University. He also
holds BS and MS degrees in production engineering from Alexandria University.
His areas of teaching and research interests include quality and reliability engineering,
quality systems and management, statistical control of manufacturing
and service processes, Six Sigma quality, and manufacturing systems. He is a fellow
of the American Society for Quality (ASQ) and is an ASQ Certified Quality
Engineer (CQE) and a Certified Reliability Engineer (CRE), and is certified as a
Six Sigma Master Black Belt by the Harrington Institute, USA. He is also a member
of Alpha Pi Mu Industrial Engineering Honor Society, Phi Kappa Phi Engineering
Honor Society, and Sigma Xi Research Society.
He has taught many short courses and workshops in addition to consulting
in different subjects such as Six Sigma (at all levels), quality improvement, ISO
9000, SPC, quality management, and quality systems, and teaching refresher/
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