11/17/2017 16:32:13[BN] Hedge Fund Tudor Is Said to Have Promoted Mike Riccardi to CEO (Bloomberg) -- Paul Tudor Jones’s hedge fund has promoted Mike Riccardi to chief executive officer, according to a person familiar with the matter. Riccardi, who joined Tudor Investment Corp. in 1991, was the firm’s chief operating officer and president. Between 2013 and 2016, he shared the co-president title with Gavin Boyle, who left the firm last year. Jones founded Tudor, which manages about $7 billion, in 1980. A spokesman for the Greenwich, Connecticut-based firm declined to comment.