Founder and Managing Partner
JANA Partners LLC
Barry Rosenstein is the founder and Managing Partner of JANA Partners LLC, a $5 billion hedge fund, since April 2001. JANA is an event driven fund which has generated an annual net return of 27% since inception.
Prior to JANA, he was the founder and Managing Partner of Sagaponack Partners L.P. a private equity fund. Prior to starting Sagaponack Partners, Mr. Rosenstein founded, and for the four years prior, headed Genesis Merchant Group's Investment and Merchant Banking Group. Prior to Genesis, Mr. Rosenstein formed and acted as managing partner of Reatta Partners, through which he attempted to takeover Justin Industries, Inc. Prior to Reatta, Mr. Rosenstein was a principal in charge of corporate takeovers for Asher Edelman’s Plaza Securities Corporation. Mr. Rosenstein began his career as an investment banker primarily specializing in mergers and acquisitions with Merrill Lynch in New York.
He received his M.B.A. from the University of Pennsylvania's Wharton School of Business in 1984. In 1981, Mr. Rosenstein graduated Phi Beta Kappa from Lehigh University. Mr. Rosenstein is also a C.P.A.