The six-part CEO series on Freakonomics is by far one of the most enlightening podcasts for leaders. Listen to an intimate visit of the minds and beliefs of half a dozen of our most accomplished and innovative CEOs. Pick the brains of Ray Dalio, Satya Nadella, Jack Welch, Carol Bartz, David Rubenstein, Mark Zuckerberg, Richard Branson, Ellen Pao, and Indra Nooyi.