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Denis J. McInerney


Denis J. McInerney

White Collar Defense & Investigations
New York

Focuses on grand jury, regulatory, cross-border and internal investigations, as well as complex criminal and civil litigation. Former Chief of DOJ’s Fraud Section.

Denis focuses on grand jury, regulatory, cross-border and internal investigations, as well as complex criminal and civil litigation.

He returned to Davis Polk in 2014 after four years at the U.S. Department of Justice, where he was Chief of the Fraud Section and then Deputy Assistant Attorney General of the Criminal Division. He supervised prosecutors responsible for FCPA investigations and other matters, and was a leader in DOJ’s investigations into alleged manipulation of LIBOR and the foreign exchange market. Earlier in his career, he was Deputy Chief of the Criminal Division of the U.S. Attorney's Office for the SDNY.

Denis has conducted more than a dozen jury trials over the course of his career. His trial experience at Davis Polk includes representing Arthur Andersen on obstruction of justice charges and the former chairman and CEO of an investment bank on insider trading charges.

He is President of the Board of Sanctuary for Families.




Chambers USA – Litigation: White Collar Crime and Government Investigations, New York, Band 1

Benchmark Litigation – National and New York, Star

Who's Who Legal – Business Crime Defence (Individuals and Corporates), Thought Leader and Global Leader

Who's Who Legal – Investigations, Thought Leader and Global Leader

Legal Aid Society – “Pro Bono Publico Award,” 2021

J.D., Fordham University School of Law
B.A., Columbia University
Law Clerk, Hon. Kevin Thomas Duffy, U.S. District Court, S.D. New York, 1984-1986
Professional history
  • Counsel, 2020-present
  • Partner, Davis Polk, 1997-2010 and 2014-2019
  • U.S. Department of Justice, 2010-2014
    • Deputy Assistant Attorney General, Criminal Division, 2013-2014
    • Chief of the Fraud Section, Criminal Division, 2010-2013
  • Associate Independent Counsel, Whitewater Investigation, 1994
  • U.S. Attorney's Office, Southern District of New York, 1989-1994
    • Deputy Chief, Criminal Division, 1993-1994
    • Assistant U.S. Attorney, Criminal Division, 1989-1994
  • Associate, Davis Polk, 1986-1989 and 1994-1997
Qualifications and admissions
  • State of New York
  • U.S. Court of Appeals, Second Circuit
  • U.S. District Court, E.D. New York
  • U.S. District Court, S.D. New York
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