Gregory S Jensen

Joined Bridgewater Associates, the world's biggest hedge fund firm, as an intern. At age 37, Jensen is now one of Bridgewater founder Ray Dalio's most trusted lieutenants. He is both a co-chief executive officer and a co-chief investment officer of the firm. Jensen has a say in every trade made at Bridgewater, which has trounced most other hedge fund firms in recent years. A graduate of Dartmouth College, where he majored in economics and applied math, Jensen oversees Bridgewater's research and trading departments. Recently has been using his earnings to purchase more stock in Bridgewater.