Marc L. Mukasey

Marc L. Mukasey


Marc Mukasey serves as Global Co-Chair of Greenberg Traurig’s White Collar Defense & Special Investigations Practice. He is a criminal trial lawyer who defends high-profile executives and corporations in the worlds of finance, energy, media and sports. A former Chief in the US Attorney’s Office for the Southern District of New York, and SEC enforcement attorney, Marc is active in court and behind the scenes, working with prosecutors to abandon investigations before they’re made public or charges are filed.

Marc’s recent work includes two significant white collar defense trial victories - the first ever acquittal in a commodities “spoofing” trial (US v. Flotron) and the successful trial defense of a bond trader (US v. Gramins). He has also represented a major corporation in the Deepwater Horizon explosion, the president of a leading network, and a legendary basketball coach in criminal investigations. He defends businesses and individuals facing allegations of fraud, FCPA violations, FIRREA, money laundering, environment crimes, and other business crimes.

Marc is a Fellow of the American College of Trial Lawyers. He is Chambers-rated and has been named by Law360 as an MVP of the Year in the White Collar category and a Trailblazer in the area of White Collar Crime by The National Law Journal.


  • White Collar Criminal Defense and Trials
  • Special Investigations
  • Foreign Corrupt Practices Act (FCPA)
  • Financial Institutions Reform, Recovery, and Enforcement Act (FIRREA)
  • Securities enforcement
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  • Acted as lead trial counsel for an executive in the Countrywide mortgage fraud trial.°
  • Acted as lead trial counsel for an executive in a municipal bond criminal antitrust trial.°
  • Obtained immunity for client in the largest insider trading case in history.°
  • Represented residential mortgage-backed securities trader in parallel SEC and DOJ issues.°
  • Represented Fortune 200 company in connection with stock options backdating inquiries resulting in no criminal charges and no monetary penalties.°
  • Acted as lead defense counsel for a major oilfield services company.°
  • Represented major energy company in New York State Attorney General's investigation of public disclosures relating to climate change, resulting in no charges.°
  • Counseled a prominent client through the New Jersey "Bridgegate" investigation.°
  • Represented international tobacco company in connection with nationwide antitrust litigation and related criminal charges resulting in dismissal of indictment.°
  • Represented international aviation company in connection with criminal antitrust investigation, resulting in no charges.°
  • Represented highest-ranked elected official in East Hampton, New York, in connection with District Attorney's municipal corruption probe, resulting in no charges

°The above representations were handled by Mr. Mukasey prior to his joining Greenberg Traurig, LLP.

  • Unit Chief, U.S. Attorney's Office for the Southern District of New York
  • Deputy Chief Appellate Attorney, U.S. Attorney's Office for the Southern District of New York, 1997-2005
  • Staff Attorney, U.S. Securities and Exchange Commission, 1993-1996

Recognition & Leadership

  • Listed, The Best Lawyers in America, Criminal Defense: White-Collar, 2013-2019
  • Listed, Chambers USA Guide, 2014-2018
  • Listed, The Legal 500 United States, 2013-2016 and 2018
    • Litigation: White Collar Criminal Defense, 2013-2016 and 2018
    • Energy: Litigation, 2013
  • Selected, a Law360, MVP, White Collar, 2013-2014, and 2018
  • Listed, Super Lawyers magazine, New York Metro Super Lawyers, 2007-2018
  • Team Member, U.S. News - Best Lawyers®, Best Law Firms Edition, "Law Firm of the Year," Banking & Finance - Litigation, 2017
  • Selected, Trailblazer, White Collar Crime, The National Law Journal,  2015
  • Fellow, American College of Trial Lawyers


  • J.D., cum laude, Benjamin N. Cardozo School of Law, 1993
  • B.A., Dartmouth College, 1989
  • Hon. I. Leo Glasser, U.S. District Court for the Eastern District of New York
  • New York
  • U.S. Court of Appeals for the Second Circuit
  • U.S. District Court for the Eastern District of New York
  • U.S. District Court for the Southern District of New York
  • Hebrew