Raymond Thomas Dalio 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. From Wikipedia