Nelson A. Boxer

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Nelson A. Boxer


Nelson A. Boxer represents corporations and individuals in criminal prosecutions, criminal and regulatory investigations, and in commercial litigation. A trial lawyer, he served as an Assistant United States Attorney in the Southern District of New York for seven years. In private practice, Mr. Boxer has been lead counsel in high-profile criminal and civil investigations and trials involving finance, health care, banking, securities, insurance, tax and accounting, among other areas of law. Mr. Boxer also has extensive experience conducting corporate internal investigations domestically and abroad, and he has been engaged by regulators and corporations to serve as an independent corporate monitor.

Well known in numerous courts and jurisdictions, Mr. Boxer has a reputation for effective advocacy, integrity, reliability and thoroughness, including with Judges and Magistrate Judges he has appeared before.

Mr. Boxer’s recent experience includes:

  • Defending former President of engineering, design and consulting firm in 2019 New York County bribery trial (People v. Chlupsa, 730-2018)
  • Defending former KPMG national managing partner for audit quality and professional practice in 2019 federal conspiracy and wire fraud trial (US v. Middendorf, 18-cr-36 (JPO), SDNY)
  • Defending an individual in 2017 federal criminal securities fraud trial (US v. Petrossi, 16-cr-234 (BMC), EDNY)
  • Defending an executive in a Sherman Act, bid-rigging criminal prosecution brought by the Antitrust Section of the Department of Justice; DOJ dismissed the charge on the eve of trial – (US v. Gehring, 13-cr-748 (SDW), Read article
  • Defending a federal, State and regulatory investigation of a foreign bank’s U.S. dollar clearing related to OFAC-sanctioned jurisdictions and entities (US v. Commerzbank AG, 15-cr-31 (BAH), DDC)
  • Defending a foreign hedge fund in a SEC insider-trading investigation
  • Defending a senior executive officer of a major U.S. public company in a FCPA investigation
  • Representing a foreign bank in qui tam tax litigation with New York State
  • Defending a senior executive of public company in SEC insider trading investigation.
  • Representing foreign executives of an international technology company in a FCPA investigation.
  • Defending a major U.S. bank in a FIRREA investigation
  • Defending a derivatives trader in a U.S. Commodity and Futures Trading Commission investigation
  • Defending the broker-dealer of a major U.S. bank in a FINRA enforcement investigation
  • Defending a currency trader in U.S. and U.K. LIBOR investigations
  • Representing employees of an international pharmaceuticals manufacturer in qui tam litigation
  • Conducting a FCPA internal investigation for a board committee of an international public company
  • Conducting an internal investigation of alleged accounting impropriety for a public media company
  • Defending an international pharmaceuticals manufacturer in qui tam litigation
  • Conducting a FCPA internal investigation for a telecommunications company
  • Defending construction industry executives of corporations in investigations conducted by the Rackets Bureau of the Manhattan District Attorney’s Office
  • Representing a Native American-owned corporation in civil tax litigation (NY v. King Mountain, 2d Circuit, 17-3198; 12-CV-6276 (JS), EDNY)
  • Advising the Audit Committee of an international manufacturing corporation regarding compliance with Office of Foreign Assets Control regulations
  • Conducting an internal investigation for a hedge fund of an employee’s violation of the fund’s trading rules
  • Representing a media company in shareholder derivative litigation
  • Conducting an internal investigation for an international apparel manufacturer of suspected financial improprieties with its vendors
  • Representing an international pharmaceuticals manufacturer in a federal investigation related to formulary access at an independent physician organization
  • Serving as monitor of an international pharmaceuticals manufacturer in connection with a U.S. Department of Justice guilty plea
  • Serving as monitor of a contractor in connection with a New York City Department of Investigation proceeding

Before joining Petrillo Klein & Boxer, Mr. Boxer was co-leader of the Government Investigations practice at the prominent national law firm Alston & Bird LLP.

From 1991 to 1998, Mr. Boxer served as an Assistant United States Attorney for the Southern District of New York, where he investigated, prosecuted and tried numerous cases and argued appeals in the United States Court of Appeals for the Second Circuit. In September 1997, he received the U.S. Department of Justice, Executive Office of U.S. Attorneys, Director's Award.

Mr. Boxer served as a law clerk for The Hon. Arthur D. Spatt of the United States District Court for the Eastern District of New York from 1989-1991.

Mr. Boxer graduated from the University of Michigan magna cum laude in 1984, and was elected to Phi Beta Kappa. He earned his law degree from New York University School of Law in 1987.

Mr. Boxer serves on the Board of Directors of the Cancer Research & Treatment Fund.

Mr. Boxer is regularly listed on The Best Lawyers in New York and the New York Metro Super Lawyers.

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