After completing his education, Dalio worked on the floor of the New York Stock Exchange and traded commodity futures. He later worked as the Director of Commodities at Dominick & Dominick LLC. In 1974, he became a futures trader and broker at Shearson Hayden Stone. In 1975, he founded investment management firm, Bridgewater Associates, out of his apartment. The firm opened an office in Westport, Connecticut in 1981, and in 2005, the firm became the largest hedge fund in the world. The firm had $160 billion in assets under management, as of October 2017.