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Michael J. Grudberg

Co-Chair of White Collar & Regulatory Enforcement Practice
Portrait of Michael  J.  Grudberg

Michael J. Grudberg is a partner and co-chair of the Firm’s White Collar & Regulatory Enforcement Practice. Michael has particular focus on handling federal and state criminal matters and complex civil litigation.

Michael represents clients in prosecutions and investigations conducted by the Department of Justice, local District Attorneys, and the FBI, among other agencies. He also manages regulatory investigations and enforcement actions conducted by the SEC and FINRA, as well as the New York City Department of Investigation, the Attorney General’s Medicaid Fraud Control Unit, and other state and municipal agencies. His trial experience includes defending those accused of insider trading and other securities fraud, Medicare fraud, federal-programs bribery, mail and wire fraud, obstruction of justice, and other white-collar prosecutions. Recent representations include investigations implicating the Foreign Corrupt Practices Act, federal antitrust and anti-kickback regulations, criminal regulation of online gaming, civil and criminal litigation related to mortgage fraud allegations, “honest services” employment fraud, campaign finance violations, and hedge fund insider trading, among others.

With more than 30 years of experience, Michael represents individuals and companies in a broad range of litigation matters. An experienced litigator, he has handled hundreds of criminal investigations and prosecutions in the Southern, Eastern, and Northern Districts of New York; multiple other federal districts; and the New York State courts.

Michael’s civil litigation experience encompasses complex securities class actions and arbitrations, civil RICO, trade secret, federal and common law environmental claims, ERISA, breach of contract, employment, noncompete claims, and defamation claims.

Representative Matters:

  • Represented a former broker and hedge fund manager in an insider trading prosecution and related SEC enforcement action in the Southern District of New York.
  • Represented the former chief executive of a major New York hospital in a case alleging “honest services” wire fraud in the Southern District of New York.
  • Represented a securities analyst in an insider trading prosecution and related SEC enforcement action in the Southern District of New York.
  • Conducted an internal investigation for the independent directors of a hedge fund in response to “whistleblower” allegations of manipulative trading practices.
  • Represented an attorney and former government official in a prosecution by the New York County District Attorney’s Office alleging clandestine ownership of a domestic bank holding company by a scandal-plagued offshore bank.
  • Represented an individual in a major environmental prosecution in the Northern District of New York alleging violations, inter alia, of the Clean Water Act, in which the 31-count indictment was eventually dismissed on the government’s motion.
  • Tried a case against a major utility arising out of the PCB contamination of a commercial client’s premises.
  • Tried an SEC civil enforcement case in the Southern District of New York alleging a commercial bribery scheme in the municipal  bond market.
  • Represented the principal of a New York brokerage firm in securities fraud prosecutions in both the Eastern and Southern Districts of New York.
  • Represented the CFO of a Fortune 500 conglomerate in the trial and subsequent retrial of felony charges brought by the New York County District Attorney’s Office. Managed the defense of that former CFO in multiple class actions and other civil litigations around U.S. related to those charges.
  • Represented multiple parties in federal criminal investigations related to the 2016 presidential campaign and related issues.

Education
  • Colgate University (B.A., magna cum laude)
  • Yale Law School (J.D.)
Bar Admissions
  • New York
  • Connecticut
  • U.S. District Court for the District of Connecticut
  • U.S. Court of Appeals for the First Circuit
  • U.S. Court of Appeals for the Second Circuit
  • U.S. Court of Appeals for the Fourth Circuit
  • U.S. District Court for the Eastern District of New York
  • U.S. District Court for the Northern District of New York
  • U.S. District Court for the Southern District of New York
  • U.S. Tax Court
Professional Affiliations
  • New York City Bar Association (Member, White Collar Crime Committee)
  • New York Council of Defense Lawyers (Member)
  • National Association of Criminal Defense Lawyers (Member)
Awards & Honors
  • New York Super Lawyers, 2007-2025
Clerkships
  • Hon. Ralph K. Winter, U.S. Court of Appeals for the Second Circuit

Michael J. Grudberg