Jason George shares an origin story of management consulting and lessons from the barnyard to highlight the benefits of putting people and practice before personal profit.  Marvin Bower faced a critical choice. He had led McKinsey & Company from its earliest years, in the process helping to define the fledgling field of management consulting. Now nearing retirement age, it was time to hand the reins to the next generation of leaders. As the principal shareholder in the partnership, Bower’s…