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Jack L. Heinberg


New York

Jack L. Heinberg


New York

Jack has been a partner with Allen & Overy since 2000, is head of the U.S. tax group and is a member of the Firm's Global Board. He focuses primarily on advising on domestic and international tax planning, the taxation of financial instruments and derivatives, cross-border financing, CLOs, securitizations and other structured finance transactions. Jack also has significant experience in advising on fund investments, cross-border and domestic real estate transactions, including financing structures, REITs and fund structures, debt restructurings and global corporate transactions. In addition to private practice, Jack served for two years as attorney/adviser to the Honorable Arthur L. Nims, III, Chief Judge of the U.S. Tax Court.

Jack has been ranked as a leading tax lawyer in Chambers USA and as a recommended lawyer in Legal 500 USA. He is also listed in the Super Lawyers directory. Chambers says “Jack Heinberg of Allen & Overy LLP ‘is admired by clients for the creative and thoughtful advice he offers in cross-border financing and securities, derivatives and financial instruments, and international and domestic tax planning. He is valued for being a great communicator and 'one of the easiest tax lawyers to talk to.’'

News & insights

Wind turbine

News: 07 MAY 2021

Kamil Jankielewicz rejoins Allen & Overy as Counsel and Head of the Polish Energy and Environmental practice

Allen & Overy announced that Kamil Jankielewicz has rejoined the firm as a Counsel in the Projects, Energy, Natural Resources and Infrastructure Group (PENRI) and will lead the Polish Energy and…

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Publications: 07 MAY 2021

The perils of giving video evidence

If evidence is to be given remotely, via video link, from another country, be sure to check that this is permitted by the laws of that country.

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Publications: 29 APRIL 2020

Covid–19 coronavirus: a cross-jurisdictional update on the pandemic’s impact on tax regulations

The Covid-19 coronavirus pandemic currently spreading across Europe, Asia-Pacific and the United States has resulted in an unprecedented demand for urgent tax relief measures across industries and…

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Publications: 02 APRIL 2020

Covid-19 coronavirus: the potential tax impact of the U.S. CARES Act

The Potential Tax Impact of the U.S. CARES Act

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New York

Allen & Overy LLP
1221 Avenue of the Americas
New York
NY 10020

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Admitted: Bar of the State of New York, USA, 1990

Admitted: United States Tax Court, 1991


LL.M., New York University School of Law, 1991

J.D., Brooklyn Law School, 1989

B.S., St. John's University, 1985

Published work

  • "Selected Federal Income Tax Issues Affecting Cross-Border Debt Restructurings," PLI Tax Strategies for Corporate Acquisitions, Dispositions, Spin-Offs, Joint Ventures, Financings, Reorganizations & Restructurings.
  • "Expatriated Entities and their Surrogate Foreign Corporate Parents—The Anti-Inversion Rules under Section 7874," PLI Tax Strategies for Corporate Acquisitions, Dispositions, Spin-Offs, Joint Ventures, Financings, Reorganizations & Restructurings.