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Provided by Ryan Stumphauzer


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Ryan is a seasoned federal court litigator that handles white-collar criminal defense matters, civil fraud lawsuits, internal investigations and regulatory enforcement matters. Ryan has also been appointed by United States District Judges in the Southern District of Florida and the Southern District of New York to serve as a Receiver, responsible for recovering assets for defrauded investors, and for stabilizing and managing the operations of companies accused of fraud by U.S. government agencies. Ryan was also appointed as Special Master overseeing discovery in the Takata Airbag Multidistrict Litigation, a federal case involving many of the world’s largest automobile manufacturers and involving billions of dollars of alleged damages. In all of these roles, Ryan brings to bear his skills as a former CPA at a Big Four accounting firm, and a former federal prosecutor that conducted jury trials in significant fraud cases.

-Defended the Chief Executive Officer of multiple hospitals against allegations of fraud in simultaneous civil and criminal investigations by the United States Department of Justice and the U.S. Department of Health & Human Services. Following a multi-year investigation, the CEO completely avoided criminal charges and civil liability.

-Appointed to serve as the Receiver of Complete Business Solutions Group, d/b/a Par Funding, a company accused by the Securities & Exchange Commission of committing a $400 million securities fraud scheme. In that role, Ryan oversees the ongoing operations of a merchant cash advance company, manages a litigation team comprised of more than a dozen lawyers who are prosecuting and defending state and federal lawsuits around the country, and has recovered more than $100 million USD cash and $50 USD of real estate holdings.

-Defended a senior executive of a medical device manufacturing company against an investigation by the Food & Drug Administration and the Department of Justice in a case involving potential strict liability under the Food, Drug & Cosmetic Act.

-Defended a partner of a AmLaw 100 law firm that was wrongfully accused of misconduct in connection with a civil fraud lawsuit. Following extensive briefing and an evidentiary hearing, the attorney was vindicated of any wrongdoing.

-Defended the Chief Executive Officer and Chief Strategy Officer of a integrated health care delivery network, comprised of multiple hospitals, outpatient health clinics and surgery centers, and diagnostic centers against a False Claims Act suit instituted by a disgruntled former employee. The government declined to pursue the case, but the whistleblower continued to pursue the matter, which was later dismissed in its entirety after Ryan prevailed on a motion to dismiss.

-Conducted a sensitive internal investigation for one of Florida’s largest hospital chains in connection with a government investigation of procurement fraud and political corruption. In that matter, Ryan coordinated with federal government agencies, conducted sensitive employee interviews, conducted forensic financial analysis, and helped coordinate public relations / crisis management issues,

-Represented a management-level employee of one of the world’s largest retail chains in a Foreign Corrupt Practices Act investigation involving alleged bribes of Mexican government officials to facilitate the issuance of necessary licenses and permits.


Prior to law school, Ryan practiced as a Certified Public Accountant at PricewaterhouseCoopers, where he performed audit and business advisory services for Fortune 500 companies. Ryan also provided financial analysis and transaction support for a variety of companies contemplating business mergers and acquisitions.

Professional Memberships

Florida Bar

New York Bar

Ohio Bar (Inactive)

Southern District of Florida\Middle District of Florida

11th Circuit Court of Appeals


Health Care Compliance Association, Regional Healthcare Compliance Conference, "Criminal & Civil Enforcement and Telehealth," March 11, 2022, Washington, D.C.

Health Care Compliance Association, Healthcare Enforcement Compliance Conference, "Telemedicine Compliance, Enforcement, and Changes in Light of Covid-19," November 23, 2021.

Florida Bar, Health Law Section, "Modern Trends in Federal and State Health Care Prosecutions," December 10, 2021.

American Bar Association, 31st National Institute on Health Care Fraud, "Enforcement and Compliance in Laboratory Testing," October 20, 2021.

Federal Bar Association, Qui Tam Section, "False Claims Act 101," July 15, 2021.

Health Care Compliance Association, Healthcare Enforcement Compliance Conference, "Laboratory Enforcement and Compliance," November 17, 2020.

Federal Bar Association, Qui Tam Section, "The Impact of Collateral Cases on Sealed Qui Tam Complaints," August 04, 2020.

American Bar Association, 29th Annual National Institute on Health Care Fraud, “Pretrial Pleadings and Discovery in False Claims Act Cases,” New Orleans, LA, May 9, 2019.

American Bar Association, 33rd Annual National Institute on White Collar Crime, "Best Practices for Effective Trial Advocacy in White Collar Criminal Cases: Perspectives from the Defense, Prosecution, and the Bench," March 6, 2019.

American Bar Association, 27th Annual National Institute on Health Care Fraud, “Enforcement Actions and Compound Pharmacies,” Fort Lauderdale, FL May 17-19, 2017.

Health Care Compliance Association, 21st Annual Compliance Institute: “Compounding Pharmacy Prosecutions: Past Lessons and Future Trends,” National Harbor, MD, March 29, 2017.

American Bar Association, Criminal Law Section, Health Law Section, "Enforcement Actions and Compounding Pharmacies," May 17, 2017.


Ryan serves on the Board of Directors of the Health Foundation of South Florida. The Board’s mission is to improve the health of South Florida communities, with a focus on vulnerable, low- to moderate-income populations. The Board also aims to address and resolve health equity and health disparity issues based on race and socioeconomic status.

For the last decade, Ryan has also served on multiple committees for the U.S. District Court for the Southern District of Florida including the Ad-Hoc Committee on Attorney Discipline and the Local Rules Committee. Ryan also served as the co-Chair of the Southern District of Florida Bench & Bar Conference, which hosted a one day CLE conference for more than 700 federal court practitioner and judges.

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Stumphauzer Kolaya Nadler & Sloman PLLC

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Litigation: White-Collar Crime & Government Investigations

Ryan Stumphauzer
Ryan Stumphauzer
Band 1
Jeffrey Sloman
Jeffrey Sloman
Band 3
Michael Nadler
Band 4