Maybe this is how it goes with Microsoft (just like yahoo).
Thinking about it, can anyone cite an example within the last 10 years when a non-founder CEO came in and successfully "turned things around" at a company? I can't.
Who Says Elephants Can't Dance: https://www.amazon.ca/Who-Says-Elephants-Cant-Dance/dp/B00DJ...
If you want to talk more large cap, you have to admire the job that Meg Whitman has done at HP, particularly now the HPE side. She came into what was really a terrible situation after they finally got rid of Leo Apotheker, who was, frankly, a pathetic leader for them. The company was saddled with unbelievably poor acquisitions, in particular the Autonomy purchase, poorly performing business divisions, and what can only be described as an aging and lethargic workforce. Despite it being really thankless work I would image, the new HPE, especially after the deal to merge most of their low-margin offshore consulting work with CSC, you have to admit is an intriguing company with a positive future ahead of it. She too receives an Incomplete, but what she's done has been impressive to date.
Last 10 years? Alan Mullally at Ford and Richard Anderson at Delta are two off the top of my head.