The list of legends who ended up sharing their insights with me includes Ray Dalio, the most successful hedge fund manager in history; Jack Bogle, the founder of Vanguard and the revered pioneer of index funds; Mary Callahan Erdoes, who oversees $2.4 trillion in assets at JPMorgan Chase & Co.; T. Boone Pickens, the billionaire oil tycoon; Carl Icahn, America’s most formidable “activist” investor; David Swensen, whose financial wizardry transformed Yale into one of the world’s wealthiest universities; John Paulson, a hedge fund manager who personally earned $4.9 billion in 2010; and Warren
...more

