Current, sure, but he showed up after Google was already successful. Becoming the CEO of Google made him successful, but he didn't make Google successful.
> Apple's current CEO...
Same thing.
> Jobs, the founding CEO, was also not a software engineer.
True but he co-founded it with a software engineer (Wozniak) who was arguably influential enough that he had the influence of a CEO if not the title.
> Amazon's CEO, Bezos, was a software engineer
He may not have held the title or had the function, but apparently he had the knowledge.
Current, sure, but he showed up after Google was already successful. Becoming the CEO of Google made him successful, but he didn't make Google successful.
> Apple's current CEO...
Same thing.
> Jobs, the founding CEO, was also not a software engineer.
True but he co-founded it with a software engineer (Wozniak) who was arguably influential enough that he had the influence of a CEO if not the title.
> Amazon's CEO, Bezos, was a software engineer
He may not have held the title or had the function, but apparently he had the knowledge.