John Marti

John Marti



John can help organizations navigate the challenges of responding to external and internal enforcement problems.

With over 18 years of experience as a federal white collar prosecutor and Department of Justice leader, and over 20 years of leadership experience as a Marine Corps Officer, John has a sophisticated and deep understanding of government agencies and investigations and extensive experience leading through crises.   

John has successfully tried over 50 cases as lead trial counsel in civil and criminal matters, and has conducted numerous investigations and litigated matters in the health care, financial services, banking, defense, education, and telecommunications industries including:

  • a $3.5 billion fraud prosecution of Thomas Petters,
  • a $3.5 million jury verdict in a bankruptcy adversary proceeding seeking clawback of fraud transfers,
  • a Medicare upcoding investigation of Columbia/HCA resulting in criminal and civil penalties of over $400 million, 
  • a prosecution of an organization that defrauded telecommunications companies of over $20 million, and 
  • a $7 million Medicare overpayments investigation.

John has extensive experience in crisis response and management, having served as a Crisis Management Coordinator with the Department of Justice, and a Marine Corps infantry officer. John has been repeatedly recognized by numerous governmental and private agencies for his firm and calm leadership and legal abilities. 

John is co-chair of the firm's Government Enforcement and Corporate Investigations Practice Group.

Education & Admissions

University of Oregon School of Law (J.D., 1991), Order of the Coif; Law Review Distinguished Service Award; AmJur Award for Criminal Procedure

Massachusetts Institute of Technology (B.S., Chemical Engineering, 1985), National Merit Scholar; Undergraduate Research Opportunities Project


  • Minnesota


Representative Cases

John has led multi-agency teams conducting multi-state and international investigations, and involving numerous industries. John has counseled on matters involving government ethics, government procurement processes, securities and banking regulatory and law enforcement actions, medical devices, health care compliance, cybersecurity, public corruption, national security, receiverships, and bankruptcy clawbacks. Representative cases include:

  • Health care fraud schemes by chiropractors, ancillary service providers, hospitals, and insurance companies 
  • FDA enforcement actions for medical devices and pharmacies
  • Fraud and self-dealing by bank officers selling participation loans and mortgages
  • Fraud by disaster response company at the 9/11 evidence recovery sight and 2001 Siren tornado
  • Securities fraud by hedge fund operators, technology startups, and financial services representatives
  • Insider fraud and embezzlement by financial services company employees
  • Investment fraud, tax fraud, and securities schemes pitching wind power, telecommunications schemes, prime banking notes, and real estate  
  • National security matters involving terrorism, cybersecurity, and foreign coups
  • Bankruptcy adversary proceedings seeking clawback of fraudulent distributions

John has extensive experience developing and exercising multi-component crisis management plans. John is a graduate of the U.S. Marine Corps Infantry Officer Course, U.S. Army Ranger School, and U.S. Army Airborne Course.

News & Resources


For FY2018, Justice Department Touts Nearly $3 Billion in False Claims Act Recoveries, Mostly From Qui Tams and Alleged Healthcare Frauds
What Does it Mean When the Attorney General Thinks The False Claims Act’s Qui Tam Provision is an “Abomination” and “Unconstitutional”? We May Soon Find Out.
Grant-Fraud Guilty Plea Underscores Potential Civil and Administrative Liability for Recipients of Federal Funds
Two Recent Justice Department Memoranda May Have Significant Consequences for Pending and Future False Claims Act Enforcement
Best Practices in the Era of Outside Investigations: Is Your Organization Ready?
Certiorari Grant This Week on Email Providers Served with Warrant for Emails
Consumer Protection, the CFPB, and Prison: How Jail Sentences Arose Out of Civil Consumer Financial Protection Matters, Antitrust, American Bar Association
Federal Civil Penalties Going Up, Way Up
Construction and the False Claims Act: A Recent Settlement with the Justice Department Underscores Risk to Primes, Subs, and Suppliers
Supreme Court Holds Sixth Amendment Right to Counsel Limits Pre-Trial Asset Freezing
"Corporations as Whistleblowers: Leveraging Corporations to Fight Corporate Crime," Pratt's Government Contracting Law Report, LexisNexis
Yates Memo in Action: No Cooperation Credit in FCPA Enforcement for Failing to Disclose Key Facts
DOJ Foreshadows Future Certification Requirement for Businesses to Receive Cooperation Credit
CMS Finalizes Rule Requiring Healthcare Providers to Return Overpayments
Proposed Federal Rule Would Proscribe Contractor Confidentiality Agreements that “Restrict” Employees And Subcontractors from Reporting Allegations of Fraud, Waste, and Abuse to the Government

News & Press Mentions

Dorsey Partner John Marti Comments on Lagos vs. GE High Court Ruling
Dorsey Partner John Marti Remarks on Dahda v. US Wiretap Dispute
Dorsey Partner John Marti Comments on Rental Car Driver Privacy Rights
Dorsey Partner John Marti Candidate for MN Attorney
Dorsey Attorneys Marti and Kornblatt Present Review that U of M was Compliant With Rules
Dorsey Partner John Marti Comments on Supreme Court Ruling in Honeycutt Case
Dorsey Partner John Marti Comments on Trump's DOJ Budget
Will Immigration Trump Other DOJ Initiatives?
Dorsey Partner John Marti Comments on ACCA Ruling in Deportation Case
Dorsey Partner John Marti Comments on Leaked Panama Papers
Dorsey Partner John Marti Remarks on Starkey Lawsuit
Dorsey Partner John Marti Comments on Federal Raids of Minnesota Chiropractic Offices
Dorsey Partner John Marti Discusses ExxonMobil Investigation
Dorsey Partner John Marti on Challenges with the Federal Justice System
Federal prosecutor joins Dorsey
Dorsey & Whitney Nabs DOJ Vet For Gov't Enforcement Group
Comings and Goings in Big Law
Dorsey Adds U.S. Department of Justice Veteran John R. Marti to Its Government Enforcement and Corporate Investigations Group
Bloomberg Business: Comings and Goings

Industries & Practices

Cybersecurity, Privacy & Social Media
Government Enforcement & Corporate Investigations
  • Anti-Corruption Group
  • Banking & Financial Institutions
  • Construction Litigation
  • Cybersecurity, Privacy & Social Media
  • Development & Infrastructure
  • Energy & Natural Resources
  • Government Enforcement & Corporate Investigations
  • Healthcare
  • Indian & Alaska Native
  • National Security Law


North Star Lawyer logo 

  • MSBA North Star Lawyer, 2016-2017

  • 2010 United States Attorney General's Distinguished Service Award, and the 2009 Minnesota Lawyer of the Year Award as co-lead counsel in the $3.5 billion Thomas Petters fraud prosecution

  • 2002 Integrity Award from the Department of Health and Human Services Office of the Inspector General, 2002 for service as lead counsel in a $7 million Medicare overpayment investigation

  • 2001 United States Attorney General's Award for Exceptional Service and DHHS OIG Cooperative Achievement Award for leadership in a Medicare upcoding investigation with civil and criminal recoveries of over $400 million
John Marti