Biman Ghosh is a professor of industrial and manufacturing engineering at the California State Polytechnic University, Pomona. Charles Harrell is retired from teaching in the Engineering and Technology School at Brigham Young University. He is the founder of ProModel Corporation, where he still maintains a role on the Board of Directors. Royce Bowden served at Mississippi State University and Wichita State University as a College of Engineering dean, associate dean, department head, and professor. He specializes in simulation output analysis and codeveloped the first widely used simulation optimization Bruce Gladwin is a senior vice president at ProModel Corporation. With more than 30 years of experience in the simulation field, Bruce has worked with major corporations worldwide developing hundreds of models across a wide range of industries.