Dominique Heger has over 26 years of IT experience, focusing on systems modeling, performance evaluation, and capacity planning. He is the owner/founder of DHTechnologies (DHT), an IT consulting firm in Texas. He has successfully conducted large-scale projects for companies such as Boeing, AT&T, LLNL, NERSC, Wells Fargo, and CERN. Prior to DHT, Dominique worked for IBM, Hewlett-Packard (at CERN Geneva), and Unisys. Over the years, he has published over 30 papers and books on performance-related topics with IEEE, CMG, or the IBM Press. He holds an MBA/MIS from Maryville University St. Louis, and a Ph.D. in Information Systems from NSU, Florida. Next to his work in computer science, he very much enjoys training horses in the Texas Hill Country and team roping.