I've come to understand, talking to a friend who is also in the startup world, that there are some CEOs who run a "portfolio" of startups. It's pretty weird. I

I've come to understand, talking to a friend who is also in the startup world, that there are some CEOs who run a "portfolio" of startups. It's pretty weird. I don't really understand why investors would put money in a company that only has a part-time CEO.