Barry Rosenstein is a Co-Founder of JANA Partners and serves as its Managing Partner and Co-Portfolio Manager. He founded JANA Partners in 2001. Prior to founding JANA Partners, Rosenstein held executive, management, and investment banking positions with Sagaponack Partners L.P., Genesis Merchant Group Securities, Reatta Partners, Asher Edelman's Plaza Securities Corporation, and Merrill Lynch. He currently is a member of the board of directors of Walgreen Corp. Rosenstein is a trustee of Brown University, the US Olympic Foundation, the Rock and Roll Hall of Fame, and the 92nd Street Y in New York City. Rosenstein graduated from Lehigh University (1981) Phi Beta Kappa and he earned an MBA from the University of Pennsylvania's Wharton School of Business (1984).