five major practice areas of consulting that are dominant today and likely will be into the future: 1) IT consulting, 2) strategy and organization consulting, 3) marketing consulting, 4operations management consulting, and 5) human resources consulting. These five areas approximately 90 percent of the total consulting market, with 46 percent in the IT area, 12 percent in strategy, 10 percent in marketing consulting, 12 percent in operations management, and 10 percent in human resources.