Govt. Enforcement Defense, Investigations, and Litigation
Matt Krueger is a former U.S. Attorney and partner in the firm’s Government Enforcement Defense & Investigations practice. He helps companies and individuals navigate government enforcement and complex litigation challenges, including False Claims Act and white collar matters. Matt also assists companies in mitigating risk by advising on compliance programs and conducting sensitive internal investigations, working with clients in a range of industries, with a focus on the health care sector, cybersecurity, and data privacy matters.
Government Enforcement Defense and Investigations
Matt helps clients facing allegations of misconduct, conducting internal investigations, persuading the government not pursue charges, and, when necessary, mounting a forceful defense. Before joining Foley, Matt served as the U.S. Attorney for the Eastern District of Wisconsin after being recommended by a bipartisan nominating commission. Under his leadership, the office successfully prosecuted high-profile cases involving national security, cybercrime, public corruption, health care fraud, securities fraud, and other offenses. Matt also served as an Assistant U.S. Attorney and the Health Care Fraud Coordinator in both the civil and criminal divisions, specializing in False Claims Act and white-collar matters.
Complex Litigation and Appeals
Matt offers first-chair trial and appellate counsel for clients facing high-stakes disputes. Before leading trials and appeals in the U.S. Attorney’s Office, Matt practiced trial and appellate litigation at an elite Washington, D.C. law firm. Matt also served as a Bristow Fellow in the Solicitor General’s Office, helping represent the United States before the Supreme Court. Matt now leads complex litigation matters, devising creative strategies to win cases.
Health Care and Life Sciences
Matt defends health care and life sciences companies in government investigation and enforcement actions, conducts sensitive internal investigations, and leads high-stakes litigation matters. As a federal prosecutor and in private practice, Matt has handled civil and criminal health care cases on a range of issues and clients, including matters involving the False Claims Act, Stark Law, the Anti-Kickback Statute, the Controlled Substances Act, medical device makers, hospitals and physician groups, pharmacies, skilled nursing facilities, and laboratories.
Cybersecurity and Data Privacy
Drawing on experience leading cybercrime prosecutions, Matt works closely with Foley’s cybersecurity and data privacy lawyers to investigate data incidents, respond to government inquiries, and litigate data privacy and security matters. Matt’s background also allows him to counsel clients on interacting with law enforcement and regulators to minimize risks.
Foley & Lardner LLP
Milwaukee, Wisconsin
Represent businesses and individuals in federal and state enforcement and litigation matters, with focus on health care and life sciences, cybersecurity and data privacy, and complex trials and appeals
U.S. Department of Justice (DOJ), United States Attorneys' Offices
(appointed)Wisconsin Eastern District
Chief federal law enforcement officer supervising all criminal and civil litigation involving the United States in 28 counties. Interfaced regularly with DOJ components, HHS OIG, the SEC, and other federal and state agencies.
U.S. Department of Justice (DOJ), United States Attorneys' Offices
(appointed)Wisconsin Eastern District
Handled civil False Claims Act and complex criminal cases involving health care fraud, the Stark Law, the Anti-Kickback Statute, the Controlled Substances Act, and a broad range of white-collar fraud and corruption cases.
Sidley Austin LLP
Washington, District of Columbia
Complex district court and appellate litigation involving securities claims, antitrust, unfair competition, environmental enforcement, and other commercial matters.
U.S. Department of Justice (DOJ), Office of the Solicitor General
(appointed)District of Columbia
Assisted in representing the United States before the Supreme Court.
Court of Appeals for the Fourth Circuit
(appointed)Maryland
Served as judicial law clerk to the Honorable Paul V. Niemeyer, researching and drafting opinions, orders, and bench memoranda.
March 2025
Advised a publicly traded manufacturer in managing a crisis arising from a vendor’s illegal employment practices. Minimized risk by cooperating with law enforcement, unwinding the vendor agreement, and briefing the board. Defended the City of Milwaukee against a False Claims Act suit concerning the City’s administration of federal housing grants, winning complete dismissal of suit. Led a review of a publicly traded manufacturer’s corporate compliance program, conducted a risk assessment, and recommended continuous improvement steps. Represented an individual in responding to a federal grand jury investigation concerning financial fraud, resulting in no charges against the client. Represented a manufacturer in responding to claims by the U.S. Department of Energy that its products did not meet energy conservation standards and negotiated a favorable settlement.
March 2025
Defended a leading children’s hospital in federal court against a civil rights suit, leading to a favorable settlement. Defended a major health care system against a municipality’s suit that asserted claims related to opioid-dispensing practices. Obtained dismissal of entire suit. Led the prosecution of a US$260m scheme to defraud federal contracting programs, resulting in the conviction of a corporation and six individuals, including a CPA after trial, as well as False Claims Act recoveries. As United States Attorney, personally briefed and argued a rare interlocutory appeal before the Seventh Circuit, challenging the district court’s exclusion of evidence before trial. Obtained reversal and remand. Led the prosecution of a US$9m green energy investment fraud whose victims included Chinese EB-5 visa applicants, a Canadian private equity fund and the State of Wisconsin, in coordination with the SEC’s parallel civil investigation.
March 2025
Led an internal investigation for a health care system concerning allegations of misconduct by physicians. Represented a genetic testing laboratory in responding to a federal grand jury investigation. Obtained dismissal of citations and favorable settlement of civil monetary penalties assessed by HHS against a skilled nursing facility. Led a False Claims Act investigation and settlement with an academic medical center related to claims for teaching physicians’ surgeries performed by residents without adequate supervision. Led a False Claims Act investigation and litigation related to a health care system’s physician compensation for violating the Stark Law, resulting in a favorable settlement.
March 2025
Led an internal investigation for a financial services company regarding a data privacy incident. Determined grounds to avoid regulatory exposure and remedial steps to avoid the issue recurring. Advised a manufacturing company in responding to a ransomware attack, including ways to maintain attorney-client privilege over the investigation and interact with law enforcement. Serve as counsel to a trade association’s cybersecurity committee.
Health Care Law Today
March 2025
Co-author
Law360
December 2024
Co-author
American Health Law Association In-House Counsel Program
June 2021
Presenter
Sandpiper Partners LLC — Webinar
May 2021
Panelist