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Marion Bachrach is a veteran trial and appellate lawyer who focuses her practice on white-collar criminal defense, internal investigations, and complex regulatory and civil actions. She has litigated high-profile cases and has more than 30 years of experience handling complex criminal and civil litigation and investigations. She represents both institutional and individual clients and has considerable experience counseling professionals, including lawyers, executives, accountants, and physicians. Her practice focuses on white-collar criminal defense, internal investigations for corporate and other entities, attorney disciplinary proceedings, regulatory enforcement, forfeiture proceedings, and complex litigation.

For six years, Marion served as Assistant U.S. Attorney in the Eastern District of New York, where she held the additional positions of Chief of General Crimes and Deputy Chief of the Criminal Division and garnered extensive trial, appellate, and supervisory experience.

Marion teaches as part of the Adjunct Faculty at both the Cornell Law School and the Columbia School of Law.  She has also published a chapter in a leading treatise and articles in the New York Law Journal.

Named to New York Metro Super Lawyers® 2020 by Thomson Reuters

Representative Matters

Recent and past representations include:

  • A former CFO indicted for bank fraud
  • A partner of a major accounting firm facing tax fraud charges ultimately dismissed on constitutional grounds
  • Executives in an investigation of foreign corrupt practices under the FCPA
  • Lawyers accused of fraudulent conduct
  • Lawyers, accountants, and executives accused of failure to file
  • Internal investigation of a closely held corporation investigated for fraudulent business practices
  • Internal investigations of not-for-profit entities facing federal and state investigations
  • Executives and doctors in investigations of healthcare fraud
  • Executives, lawyers, and brokers at a major investment bank in investigations into fraudulent trading practices
  • The President and CEO of a corporation in a federal investigation into fraudulent sales practices
  • A newspaper sued for reporting cooperation by a defendant convicted of federal offenses
  • An Off-Broadway theatre company threatened with an injunction barring presentation of a new play
  • The heir of a major international art dealer in litigation in Surrogate’s Court over theft and dissipation of assets, including valuable works of art
  • A well-known artist whose paintings disappeared and were later improperly offered for sale at a major auction house
  • Defendants and an innocent spouse in criminal and civil forfeiture proceedings

Published Cases Argued:

  • United States v. Stein, (“KPMG case”), 435 F.Supp.2d 330 (S.D.N.Y. 2006); 495 F.Supp.2d 390 (S.D.N.Y. 2007), aff’d, 541 F.3d 130 (2d Cir. 2008)
  • Michtavi v. The Daily News and The Polish Daily News, 587 F.3d 551 (2d Cir. 2009)
  • United States v. Tenzer, 213 F.3d 34 (2d Cir. 2000)
  • United States v. Manko et al., 979 F.2d 900 (2d Cir. 1992)
  • United States v. Lizza Industries, Inc., 775 F.2d 492 (2d Cir. 1985), denied, 475 U.S. 1082 (1986)
  • United States v. McKeon, 738 F.2d 26 (2d Cir. 1984)
  • Local 851 of the International Brotherhood of Teamsters v. Thyssen Haniel Logistics, Inc., 90 F.Supp.2d 900 (E.D.N.Y. 2000)
  • United States v. Burke, 718 F.Supp. 1130 (S.D.N.Y. 1989)

Prior Employment

  • Law Clerk for the Honorable  Joseph L. Tauro, United States District Judge for the District of Massachusetts, 1977-1978

Honors & Affiliations


  • New York Metro Super Lawyers® by Thomson Reuters (Criminal Defense: White Collar), 2007-2020
  • New York’s Women Leaders in the Law 2012 by ALM
  • The Best Lawyers in America® by Woodward/White Inc. (Criminal Defense: White-Collar), 2021


  • Adjunct Professor of Law, Cornell Law School, 2008-present
  • Lecturer in Law, Columbia Law School, 2011-present
  • Guest Lecturer at CUNY Law School, 2009-2010
  • Member, Cornell Law School Advisory Committee
  • Former Member of Board of Directors, New York Council of Defense Lawyers

Education & Admissions


  • J.D., 1977, cum laude, Cornell Law School; Board of Editors, Law Review
  • M.A., 1973, cum laude, Middlebury / Universite de Paris (Sorbonne)
  • B.A., 1972, cum laude, Syracuse University


  • Massachusetts
  • New York
  • U.S. Ct. of App., Second Circuit
  • U.S. Dist. Ct., Dist. Massachusetts
  • U.S. Dist. Ct., E. Dist. New York
  • U.S. Dist. Ct., S. Dist. New York
  • U.S. Dist. Ct., E. Dist. Wisconsin


  • French