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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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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Form DFAN14A Zendesk, Inc. Filed by: JANA PARTNERS LLC
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Zendesk working with Qatalyst on its potential sale - source
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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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Jana Partners accuses Zendesk of 'hostility' to dissenting viewpoints
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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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Zendesk shareholders reject Momentive takeover
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Form DFAN14A Zendesk, Inc. Filed by: JANA PARTNERS LLC
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Zendesk investors reject deal to buy SurveyMonkey parent
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Jana Partners launches proxy fight at Zendesk, nominates four to board
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Form DFAN14A Zendesk, Inc. Filed by: JANA PARTNERS LLC
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ISS, Glass Lewis urge Zendesk investors vote against Momentive deal
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Janus Henderson joins Jana Partners to oppose Zendesk's deal for Momentive
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JANA Partners Demands Zendesk (ZEN) Promptly Terminate Momentive (MNTV) Acquisition
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Activist Jana steps up push for Zendesk to drop deal for Momentive Global
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JANA Partners Demands Zendesk (ZEN) Board Immediately Terminate Proposed Acquisition of Momentive (MNTV)