Barry Rosenstein

Barry S. Rosenstein (born 1960) is an American hedge fund manager and billionaire. He is the founder and managing partner of JANA Partners LLC, an activist hedge fund firm. He made $300 million over the merger of Whole Foods with Amazon in April–July 2017.

Barry Rosenstein

Barry S. Rosenstein (born 1960) is an American hedge fund manager and billionaire. He is the founder and managing partner of JANA Partners LLC, an activist hedge fund firm. He made $300 million over the merger of Whole Foods with Amazon in April–July 2017.