For most of the world, being CEO means being CEO of an established company rather than a startup. And really, incorporating a company and making yourself CEO do

For most of the world, being CEO means being CEO of an established company rather than a startup. And really, incorporating a company and making yourself CEO doesn't amount to much. There's a lot of work to do before the title means anything. And much of that work dovetails with the point made by the author of the article: CEOs need to know a lot about a lot of different things.