Photograph of Harold J. Heltzer

Harold J. Heltzer

Retired Partner

Harold J. Heltzer is a retired partner and former chair of the firm's Tax Group. Mr. Heltzer represented corporate, partnership, and individual clients in tax matters. He focused on tax planning for acquisitions, partnership formation, divestitures, and other transactions. In addition, Mr. Heltzer represented clients in tax litigation and administrative practice before the Internal Revenue Service and state tax agencies.

Mr. Heltzer was an adjunct professor in the LL.M. Tax Program at the Georgetown University Law Center for almost 30 years. He is the recipient of the Charles Fahy Distinguished Adjunct Faculty Award and the Vicennial Medal from Georgetown University Law Center. He lectures on tax issues for industry and professional organizations and is the author of the treatise "Coping with IRS Audits."

Prior to joining Crowell & Moring, Mr. Heltzer served in the Office of Tax Legislative Counsel for the U.S. Department of the Treasury and was a trial attorney in the Tax Division of the U.S. Department of Justice. Mr. Heltzer has been named by Chambers USA, Legal 500, The Best Lawyers in America, and Legal Elite as one of the nation's leading tax lawyers.


  • New York University School of Law, LL.B
  • Georgetown University, LL.M.
  • City College of New York, B.A.


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Crowell & Moring LLP is an international law firm with offices in the United States, Europe, MENA, and Asia that represents clients in litigation and arbitration, regulatory and policy, and transactional and corporate matters. The firm is internationally recognized for its representation of Fortune 500 companies in high-stakes litigation and government-facing matters, as well as its ongoing commitment to pro bono service and diversity, equity, and inclusion.

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