This article requires further data to corroborate it's claim. For example, there needs to be a delineation between companies run by founders and non-founders. M

This article requires further data to corroborate it's claim. For example, there needs to be a delineation between companies run by founders and non-founders. MBAs are almost never founders, they are hired. Therefore, their analysis should control for founder-run companies. By the time you hire a MBA as CEO, most of the growth has already occurred, the original management team has left to cash out their equity, etc. In fact, oftentimes, MBAs are hired to solve a major problem, usually of growth. Why else would the founder leave? What founder leaves in the middle of a growth spurt? Often it's when the founder has reached the limits of their abilities that a MBA is called in.