I draw primarily on two recent works to describe recent and ongoing changes in the business environment and in the structure of U.S. companies. Based on these changes, I describe what I see as action implications for executives and scientists, especially organization scientists. The...

This paper shows that top management structures in large US firms radically changed since the mid-1980s. While the number of managers reporting directly to the CEO doubled, the growth was driven primarily by functional managers rather than general managers. Using panel data on senior management...