Basem S. El-Haik, PhD, is the CEO and President of Six Sigma Professionals, Inc. (www.sixsigmapi.com) in Canton, Michigan, and the author of many bestselling books on Design for Six Sigma. Dr. El-Haik is well known in the DFSS domain and has been a featured speaker at many technical conferences. He has seventeen years of experience in contemporary design and quality engineering methods and has trained, certified, coached, and monitored over 600 belts (Green Belts, Black Belts, and Master Belts) in DFSS and Six Sigma in both tracks: product and service (transactional). basem.haik@sixsigmapi.com

Khalid S. Mekki is a Quality Manager at Baxter Healthcare Corporation, where he has served in various capacities since 2001. He is working toward his PhD in industrial engineering at the University of Illinois at Chicago. Khalid holds a master's degree in mechanical/quality engineering and a bachelor's degree in mechanical engineering. He has led and completed numerous Design for Six Sigma projects.