Jonathan R. Black is an Associate in the Tax Disputes & Tax Litigation practice group. Prior to private practice, Mr. Black served as an attorney with the Office of Chief Counsel for the Internal Revenue Service, where he defended the IRS in Tax Court, drafted regulations and other published guidance, and advised the IRS and the Department of Justice on a myriad of legal issues. He also provided IRS attorneys training on administrative law and legal ethics.


Mr. Black advises individuals and businesses on a wide range of matters relating to compliance with their U.S. tax obligations, including:

  • information reporting obligations;

  • FBAR compliance;

  • penalties and reasonable cause; and

  • streamlined filing procedures and voluntary disclosure.


While attending Cornell Law School, Mr. Black was an Editor for the Journal of Law and Public Policy. He also served as a Judicial Intern at the United States Bankruptcy Court for the Northern District of New York.

Admissions & Education

Bar & Court Admissions
  • District of Columbia
  • New York
  • U.S. Tax Court

J.D., Cornell Law School, 2014

P.B.C., Minzu University, 2008

B.A., University of Oregon, 2005


Government Service

Attorney, Office of Chief Counsel, Internal Revenue Service, 2014-2019

Judicial Intern, Honorable Margaret M. Cangilos-Ruiz, U.S. Bankruptcy Court (N.D.N.Y)

Newsroom & Publications

Speaking Engagements
  • Jonathan Black Analyzes Ethical and Penalty Issues at NYU Tax Controversy Forum
  • Jonathan Black Moderates Planel on Ethics
  • Jonathan Black Speaks at ABA May Meeting
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