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Greenwald, Marc L.

Marc L. Greenwald

Direct Tel: +1 212-849-7140
New York
Tel: +1 212 849 7000 Fax: +1 212 849 7100

Marc Greenwald is a founding member of Quinn Emanuel's New York office and the partner in charge of the New York Pro Bono Practice. Mr. Greenwald has a general trial practice with an emphasis on financial fraud and government enforcement. For many years, Mr. Greenwald served as a Co-Chair of the firm’s Government Enforcement practice. In recognition of his success, Mr. Greenwald has been repeatedly named a Super Lawyer for New York City by Super Lawyer Magazine. Mr. Greenwald has also been appointed by the judges of the Southern District of New York to serve on the court’s Criminal Justice Act Panel. In 2018, Mr. Greenwald was awarded Outstanding Antitrust Litigation Achievement by the American Antitrust Institute.

Prior to joining Quinn Emanuel, Mr. Greenwald was an Assistant United States Attorney in the Southern District of New York, where he conducted a dozen jury trials and argued seven appeals in the Second Circuit. Mr. Greenwald earned the Department of Justice Director’s Award for Superior Performance as an AUSA. Before serving as a federal prosecutor, Mr. Greenwald was a policy advisor at the U.S. Treasury Department and a law clerk to Ninth Circuit Judge David R. Thompson. Mr. Greenwald, who has a Masters Degree in History, also worked as a high school teacher at a New York City public school.



Government Enforcement

  • Represent CEO of Luxembourg investment firm in investigation by the U.S. Department of Justice and U.K. Financial Conduct Authority.
  • Represented national and local Union in federal investigation of Mayor DeBlasio’s fundraising.
  • Represented Fortune 500 Company in New York Attorney General’s investigation of the opioid epidemic.
  • Successfully represented Switzerland-based Chartwell Asset Management in SEC Insider Trading case. In February 2012, after pursuing months of discovery, the SEC dismissed its claims against Chartwell. The SDNY directed that over $9 million deposited with the court be returned to Chartwell with interest.
  • Represented Italian caviar importer Isidoro Garbarino in notable Customs prosecution in SDNY. Obtained sentence of time served for Mr. Garbarino even though he had been a fugitive for more than 20 years.
  • Represented European investor in SEC investigation of alleged market manipulation in U.S. listed securities. The SEC took no action against our client.
  • Counsel of record in United States Supreme Court for the New York Counsel of Defense Lawyers in an amicus brief supporting petitioner in Alleyne v. United States.


Commercial, Securities and Financial Litigation


  • Represent Amplifi Live related to financing for Woodstock 50 music festival. Successfully protected Amplifi in New York State Court and on appeal.
  • Served as one of the principal lawyers in the ISDAfix Antitrust Litigation, where Quinn Emanuel served as one of the court-appointed Lead Counsel class of investors in interest rate derivatives who were allegedly harmed when the defendant banks conspired to manipulate the “ISDAfix” reference rate, a key interest rate benchmark. In approving settlements totaling over $500 million, Judge Furman of the S.D.N.Y noted that the ISDAfix proceeding was “the most complicated case” he ever faced, and that he could “not really imagine” how much more complicated “it would have been if I didn’t have counsel who had done as admirable a job in briefing it and arguing it.” Quinn Emanuel’s work on the case resulted in our being awarded the American Antirust Institute’s “Outstanding Antitrust Litigation Achievement in Private Law Practice” award for 2018.
  • Won dismissal for E*Trade of 10(b)(5) claim in S.D.N.Y. Court dismissed claim against E*Trade with prejudice even though other courts had refused to dismiss similar claims against E*Trade’s competitors. Successfully defended dismissal in Second Circuit.
  • Represented internet advertising firm Betawave in a securities class action brought by private equity firm Sunrise Equity Partners.
  • Represented Joint Provisional Liquidators of the Bermuda hedge fund Parkcentral Global Hub in a matter adverse to JPMorgan Chase. Successfully overturned ex parte pre-judgment attachment of more than $200 million.
  • Represented group of 11 institutional investment advisors who left Smith Barney for a boutique firm. Smith Barney sought over $20 million in damages. After a 17 day arbitration, panel awarded Smith Barney nothing and required it to pay all arbitration fees and costs.
  • Represented Dr. Enrico Bondi, Extraordinary Commissioner of Parmalat S.p.A. in three separate $10 billion lawsuits arising out of the largest bankruptcy in European history against various financial institutions and accounting firms, for aiding and abetting Parmalat’s insiders in the commission of massive fraud and for auditor malfeasance. Obtained a $150 million settlement against Deloitte & Touche, a $100 million settlement against Bank of America, and a confidential settlement against Grant Thornton.
  • Represented Intuit in a case brought by Muriel Siebert & Co. after the dissolution of a joint discount on-line brokerage. Siebert sought over $44 million in damages, claiming fraud, breach of fiduciary duty and breach of contract. After we defeated a motion to disqualify Quinn Emanuel (which went all the way to the New York Court of Appeals in a published decision, 8 N.Y.3d 505) and narrowed much of Siebert's claim on a motion to dismiss, Siebert agreed to dismiss its suit against Intuit with prejudice. Intuit paid nothing to Siebert.


Intellectual Property Litigation

  • Represent Russian enterprise seeking to reclaim U.S. trademark for Stolichnaya vodka.
  • Represented Virgin Group in trade secret matter regarding Virgin Cruises.
  • Represented Google and Twitter in Second Circuit in matter involving application of the “hot news misappropriation” doctrine.
  • Successfully defended Mattel against copyright and related claims against its UNO product line. Won orders of dismissal and summary judgment, which resulted in settlement that included declaration of Mattel's exclusive ownership to the properties.


  • New York University School of Law
    (J.D., magna cum laude, and simultaneous M.A. in History, 1994)
    • New York University Law Review:
    • Competitions Editor
  • University of Pennsylvania
    (B.A., cum laude, 1989)
  • The State Bar of California
  • The State Bar of District of Columbia
  • The State Bar of New York
  • Supreme Court of the United States
  • United States Court of Appeals:
    • Second Circuit
  • United States District Court:
    • Eastern District of New York
    • Southern District of New York
    • Central District of California
    • Northern District of California
  • United States Attorney's Office, Southern District of New York:
    • Assistant United States Attorney, 1997-2001
    • Recipient of Director's Award for Superior Performance, 2000
  • United States Department of the Treasury:
    • Policy Advisor to the Under Secretary (Enforcement), 1995-1996
  • Law Clerk to the Hon. David Thompson:
    • United States Court of Appeals for the Ninth Circuit, 1994-1995
  • A. Philip Randolph Campus High School:
    • Social Studies Teacher, 1989-1991
  • Legal 500, Dispute Resolution: International Arbitration, 2024
  • Lawdragon 500 - Leading Litigators in America, Financial Fraud, Government Enforcement, 2023
  • Super Lawyers White Collar Crime New York, 2011, 2013-2019
  • American Antitrust Institute, Antitrust Enforcement Award, 2018

New York Council of Defense Lawyers:

Board of Trustees, 2014-2016
Co-Chair of the Amicus Committee, 2012-2015

Federal Bar Council:

Public Service Committee, 2013-Present
Chair, Sub-Committee on Felon Re-entry, 2018-Present

American Jewish World Service:

Board of Trustees, 2012-Present

Lawyers Division of UJA-Federation:

Executive Committee, 2012-Present

New York City Bar:

Federal Courts Committee, 2002-2005