Emad S. Abouel Nasr is a professor in the Industrial Engineering Department, College of Engineering, King Saud University, Saudi Arabia, and a professor in the Mechanical Engineering Department, Faculty of Engineering, Helwan University, Egypt. He received his PhD in industrial engineering from the University of Houston, TX, USA, in 2005. His current research focuses on CAD, CAM, rapid prototyping, advanced manufacturing systems, and collaborative engineering.