Tamar Rosenberg > Sheppard, Mullin, Richter & Hampton LLP > New York, United States > Lawyer Profile
Sheppard, Mullin, Richter & Hampton LLP Offices

30 ROCKEFELLER PLAZA
NEW YORK, NY 10112
NEW YORK
United States
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Tamar Rosenberg

Work Department
Tax; Healthcare; Corporate
Position
Tamar Rosenberg is a partner in the Tax, Employee Benefits, and Trust & Estates Practice Group in Sheppard Mullin’s New York office. She is leader of the firm’s Nonprofit Sector Team.
Tamar’s practice is focused exclusively on nonprofit and tax-exempt matters. She has advised a wide range of non-profit organizations in various sectors, as well as for-profit businesses and individuals with their interactions with nonprofits and with achieving their charitable objectives.
Tamar has been individually recognized by Legal 500 as both a Recommended Lawyer – Tax: Not-for-profit and a “Next Generation Lawyer” (2019-2022), as well as a “Best Lawyer in America,” by Best Lawyers, 2023.
Education
J.D., New York University School of Law, 2003
B.A., University of Pennsylvania, 2000, magna cum laude
Lawyer Rankings
United States > Tax > Not-for-profit (Fortune 1000 private foundations, national trade associations, and charities)
(Leading partners)Sheppard, Mullin, Richter & Hampton LLP provides comprehensive counsel to tax-exempt and nonprofit organizations, guiding them through every stage, from formation and obtaining tax-exempt status to compliance, operations, restructurings, and critical transitions. Molly Unterseher and Tamar Rosenberg jointly head the practice from the New York office, with Unterseher handling a wide range of corporate and tax matters, and Rosenberg specializing in federal tax law related to tax exemption, corporate governance, and charity law. Another key member of the New York office, Amanda Zablocki, supports clients with complex corporate transactions such as mergers, acquisitions, joint ventures, and strategic alliances. Strengthening the practice’s nonprofit practice, Megan Rooney joined the Chicago office from McDermott Will & Emery LLP.
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Lawyer Rankings
- Leading partners United States > Tax > Not-for-profit (Fortune 1000 private foundations, national trade associations, and charities)
- Not-for-profit (Fortune 1000 private foundations, national trade associations, and charities) United States > Tax
Top Tier Firm Rankings
Firm Rankings
- Government > Government contracts
- Healthcare > Health insurers
- Real estate > Land use/zoning
- M&A/corporate and commercial > M&A: middle-market (sub-$500m)
- Tax > Not-for-profit (Fortune 1000 private foundations, national trade associations, and charities)
- Energy > Renewable/alternative power
- Healthcare > Service providers
- Media, technology and telecoms > Cyber law (including data privacy and data protection)
- Media, technology and telecoms > Media and entertainment: transactional
- Real estate > Real estate
- Media, technology and telecoms > Telecoms and broadcast: regulatory
- Insurance > Advice to insurers
- Antitrust > Cartel
- Environment > Environment: litigation
- Labor and employment > Labor and employment disputes (including collective actions)
- Media, technology and telecoms > Media and entertainment: litigation
- Antitrust > Merger control
- Media, technology and telecoms > Technology transactions
- Media, technology and telecoms > Telecoms and broadcast: transactions
- Antitrust > Civil litigation/class actions: defense
- Real estate > Construction (including construction litigation)
- Healthcare > Life sciences
- Intellectual property > Patents: litigation (full coverage)
- Finance > Fintech
- Real estate > Real estate finance