The 31 most successful Harvard Business School graduates of all time

If you want to be an executive, billionaire, or US president, it's a good idea to go to Harvard Business School.

Harvard offered the world's first master's in business administration program, and the Harvard MBA has since been a hallmark of the elite, with George W. Bush, Mitt Romney, and Michael Bloomberg all earning the degree.

We sifted through HBS's sterling history to find the most powerful, prominent, and financially successful grads that came out of Cambridge.

An earlier version of this article was written by Richard Feloni and Drake Baer.