Dalio resides with his wife Barbara, a descendant of Gertrude Vanderbilt Whitney, (married in 1976/77) in Greenwich, Connecticut, and is known to practice the Transcendental Meditation technique. They have four sons, Devon, Paul, Matthew, and Mark. Devon, their eldest son (born March 26, 1978), was named after North Devon cattle because Ray was deeply involved in cattle futures at the time. Second son Paul Dalio is a film director. Matthew Ace "Matt" Dalio, their third son, is founder and chairman of the China Care Foundation, a non-profit that seeks to help Chinese orphans, and co-founder and CEO of Endless Mobile, Inc., a computer operating system company. Their youngest son Mark Dalio is a wildlife filmmaker.
Paul Dalio was born on December 8, 1979, and grew up in Wilton, Connecticut. He is the son of hedge fund billionaire Ray Dalio. His grandfather, Marino Dallolio, was a New York jazz musician, who played the clarinet and saxophone.
Bridgewater Associates is an American investment management firm founded by Ray Dalio in 1975. The firm serves institutional clients including pension funds, endowments, foundations, foreign governments, and central banks.