The book “The Outsiders” – called by Warren Buffett the best business book of the century – looked at the best non-founder CEOs from a quantitative perspective (mainly compound returns over peers) and what they had in common. Eight CEOs over the last century stood above the rest. As most of us work for a CEO, use products shepherded by a CEO, and are all the CEOs of our own lives, I hope the takeaways are useful in perhaps multiple ways. Below are five common traits these all-time great CEOs shared, with a bit of color from the CEOs profiled in the book.