Jonathan S Sack

Jonathan S. Sack has extensive experience litigating complex civil and criminal cases. He represents individuals and companies in federal and state criminal, civil, and regulatory matters, and conducts internal investigations.

Jon has been named a leading lawyer by Chambers USA: America’s Leading Lawyers for Business in the area of Litigation: White Collar Crime & Government Investigations, which described Jon as “one of the most diligent and careful lawyers ... he’s a lawyer’s lawyer... who has one of the most searing intellects and is incredibly smart and doesn't miss a thing.” He also has been recommended by The Legal 500 United States in White Collar Criminal Defense and Securities Litigation and described as “relentless and infallible.” Benchmark Litigation: The Definitive Guide to America’s Leading Litigation Firms & Attorneys has recognized Jon as a “Litigation Star” in the area of White Collar Crime/Enforcement/Investigations.

Jon is co-author of Federal Corporate Sentencing: Compliance and Mitigation, Rev. Ed. (2017), a frequently cited one-volume treatise updated semi-annually, and is an Adjunct Professor of Law at St. John’s University School of Law, where he teaches a course in white collar crime.