
Barry Rosenstein
JANA Partners Barry Rosenstein is the manager of JANA Partners, a hedge fund he founded in 2001.
Before starting JANA Partners, Mr. Rosenstein was the managing partner at Sagaponack Partners, a private equity fund. Prior to Sagaponack Partners, Mr. Rosenstein was the founder and head of Genesis Merchant Group's Investment and Merchant Banking Group. Before Genesis, he formed and was the managing partner of Reatta Partners. Prior to Reatta Partners, Mr. Rosenstein worked at Plaza Securities Corp. and Merrill Lynch.
Mr. Rosenstein is a CPA. He received his MBA from the Wharton School of Business at the University of Pennsylvania in 1984 and his BS from Lehigh University in 1981.
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Zendesk (ZEN) Surges as Sale to P/E Group Said Back On
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JANA Partners Raises Stake in New Relic (NEWR) to 5.3%
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Form SC 13D NEW RELIC, INC. Filed by: JANA PARTNERS LLC
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Form 3 NEW RELIC, INC. For: Jun 13 Filed by: JANA PARTNERS LLC
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Form 4 NEW RELIC, INC. For: Jun 13 Filed by: JANA PARTNERS LLC
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Form 13F-HR/A JANA PARTNERS LLC For: Mar 31
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With Zendesk (ZEN) Sale Dead, Focus Turns to Annual Meeting
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Pre-Open Stock Movers 06/09: Tesla Gains on Upgrade, China Production; Zendesk Falls as Sale is Cancelled (more...)
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After-Hours Stock Movers 06/08: Oxford Industries Gains on Strong Results; Five Below Falls on Lower Guidance (more...)
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JANA Partners Sues Zendesk (ZEN) for Failing to Set Annual Meeting Date
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Form DFAN14A Zendesk, Inc. Filed by: JANA PARTNERS LLC
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Zendesk (ZEN) Stock Falls as Takeover Seen as 'Less Likely'
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New Relic (NEWR) Adds Board Members as Part of Ongoing Board Refresh
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Form 13F-HR JANA PARTNERS LLC For: Mar 31
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Form 4 TreeHouse Foods, Inc. For: May 02 Filed by: JANA PARTNERS LLC
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Form DFAN14A Zendesk, Inc. Filed by: JANA PARTNERS LLC
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Form 3 TreeHouse Foods, Inc. For: Apr 12 Filed by: JANA PARTNERS LLC
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Form SC 13D/A TreeHouse Foods, Inc. Filed by: JANA PARTNERS LLC
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Treehouse Foods (THS) Appoints Scott Ostfeld to its Board
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ConAgra Brands (CAG) Announces Board Changes
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Form DFAN14A Zendesk, Inc. Filed by: JANA PARTNERS LLC
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Form DFAN14A Zendesk, Inc. Filed by: JANA PARTNERS LLC
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Form PREC14A Zendesk, Inc. Filed by: JANA PARTNERS LLC
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Encompass Health Corporation (EHC) provides updates regarding Board refreshment, separation of home health and hospice business
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Zendesk (ZEN) Board is Out of Touch with Shareholders, Says Jana
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Form DFAN14A Zendesk, Inc. Filed by: JANA PARTNERS LLC
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Form DFAN14A Zendesk, Inc. Filed by: JANA PARTNERS LLC
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Form DFAN14A Zendesk, Inc. Filed by: JANA PARTNERS LLC
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Form 13F-HR JANA PARTNERS LLC For: Dec 31
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Form SC 13D/A TreeHouse Foods, Inc. Filed by: JANA PARTNERS LLC
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Encompass Health (EHC) Intends to Spin Off its Home Health and Hospice Business, Going Against Activists JANA
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JANA Partners Demands Zendesk (ZEN) Promptly Terminate Momentive (MNTV) Acquisition
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Form SC 13D/A TreeHouse Foods, Inc. Filed by: JANA PARTNERS LLC
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JANA Confirms it Entered Nomination Agreement for Potential Treehouse Foods (THS) Board Members
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Form SC 13D/A TreeHouse Foods, Inc. Filed by: JANA PARTNERS LLC
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Exclusive-Activist Jana Partners pushes Encompass Health on potential merger
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Form 13F-HR/A JANA PARTNERS LLC For: Sep 30
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Form 4 BlackSky Technology Inc. For: Dec 21 Filed by: JANA PARTNERS LLC
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Jana Partners discloses stake in Mercury Systems, pushes for potential sale
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Form SC 13D MERCURY SYSTEMS INC Filed by: JANA PARTNERS LLC
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Engine Capital pushes Kohl's to review sale, separate e-commerce business
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Engine Capital Sends Letter to Board of Kohl's (KSS) Regarding Significant Opportunities for "Value Creation"
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Engine Capital Sends Letter to the Board of Directors of Kohl's Regarding Significant Opportunities for Value Creation
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Macy's reliance on stores for e-commerce weighs on mulled split
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JANA Partners Demands Zendesk (ZEN) Board Immediately Terminate Proposed Acquisition of Momentive (MNTV)
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Celebrity Homes: The Henry Ford II Estate – As Seen In HBO's Huge Hit Show 'Succession'
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Schulte Roth & Zabel Presents Its 12th Annual Shareholder Activism Conference
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Macy's says it is working with AlixPartners to review its business structure
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Activist investors raise bets on retailers and other consumer cyclicals-filings
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Exclusive-Engine No. 1 partner leaves hedge fund after successful challenge of Exxon