American investor and hedge fund manager (born 1949)
Raymond Thomas Dalio (born August 8, 1949) is an American billionaire and hedge-fund manager, who has been co-chief investment officer of Bridgewater Associates since 1985. He founded Bridgewater in 1975 in New York. Dalio was born in New York City and attended C.W. Post College of Long Island University before receiving an MBA from Harvard Business School in 1973. In 2013, Bridgewater was listed as the largest hedge fund in the world. Dalio is the author of the 2017 book, Principles: Life & Work, about corporate management and investment philosophy.
https://en.wikipedia.org/wiki/Ray_Dalio