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Sydney E. Unger

Sydney E. Unger
Special Counsel

New York
T: +1 212 836 8471

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Sydney Unger is the former Chair of the Tax Department. He practices in the area of tax law with a concentration in renewable energy, corporate and joint venture matters. He has considerable experience in working with clients in renewable energy project financing, mergers and acquisitions, corporate restructuring and bankruptcy workouts, leveraged leasing transactions and IRS and New York controversy matters.

He is a frequent lecturer and author and, in addition to his various bar memberships, he is a Certified Public Accountant. Syd is a former Adjunct Professor at New York Law School (LLM in Taxation Program). Through 1999, he was Chair of the Committee on Taxation of Corporations of the Association of the Bar of the City of New York, having previously served as Vice-Chair of such Committee for three years. Syd is a former Managing Editor and Articles Editor of The Tax Lawyer, the quarterly publication of the Section of Taxation of the American Bar Association.

Practice Areas


New York University School of Law, LLM, Taxation, 1979

New York University School of Law, JD, cum laude, 1974

New York University Graduate School of Business Administration, MBA, with distinction, 1970

University of Chicago, BA, 1968

Bar Admission(s)

New York

US Supreme Court

US Tax Court

US Court of Claims

US District Court (Southern and Eastern Districts of New York)

US Court of Appeals, Second Circuit

US Court of Appeals, Federal Circuit


Association of the Bar of the City of New York (Chair, Committee on Taxation of Corporations, 1996–1999; Vice Chair, 1994–96)

New York State Bar Association (Tax Section and Committee on U.S. Activities of Foreign Taxpayers)

American Bar Association (Chairman, The Tax Lawyer Subcommittee; Publications Committee, Section of Taxation, 1984–87; Managing Editor, The Tax Lawyer, 1984–87; Articles Editor, 1981–84)

International Fiscal Association

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