Ray Dalio is co-chief investment officer and co-chairman of Bridgewater Associates, one of the largest hedge funds in the world. Since starting Bridgewater out of his apartment in 1975, he has grown the firm into the fifth most important American company, according to Fortune, and has led it to make more money for clients than any other hedge fund, according to LCH Investments. Dalio has been called the Steve Jobs of investing by CIO Magazine and Wired Magazine and named one of TIME’s 100 Most Influential People. He’s the author of Principles, a New York Times No. 1 best-seller and Amazon Best Business Book of 2017.