After 47 years in charge of the world’s largest hedge fund, Bridgewater Associates, its founder Ray Dalio has finished a leadership transition that began in February. He is no longer one of three co-chief investment officers but will remain a chief investment officer (CIO) mentor and Operating Board member. As announced on Oct. 4 on Bridgewater’s corporate website, the firm and Dalio completed the necessary and required legal, regulatory and investor requirements to finish the transition procedure. From now on, the fund will be led by co-CEOs Nir Bar Dea and Mark Bertolini, and a pair of co-CIOs — Greg …