JOSHUA D. HILL is a partner in the Philadelphia office of Pietragallo Gordon Alfano Bosick & Raspanti, LLP. He is a member of the Government Enforcement, Compliance, & White Collar Litigation and the Qui Tam & False Claims Act Practice Groups. With twenty years of experience, Mr. Hill focuses his practice in the areas of complex civil litigation, government investigations, and white-collar criminal defense. He began his career as a public defender with the Defender Association of Philadelphia, and over the years has tried dozens of cases to verdict. Mr. Hill has been involved in several high-profile political corruption trials, including defending the CEO of a local non-profit against charges that he bribed a Philadelphia City Councilman. This complex matter played out over the course of three multiple week jury trials. His practice encompasses cases involving health care fraud, securities fraud, tax fraud, export violations, pharmaceutical marketing fraud, municipal corruption, defense procurement fraud, and public finance fraud. Mr. Hill regularly represents entities and individuals in responding to subpoenas issued by state and federal grand juries. In conjunction with his white collar practice, Mr. Hill counsels clients in a wide range of industries concerning enforcement actions and compliance related to export controls, treaty compliance and international trade regulations enforced by the Office of Foreign Asset Controls (OFAC) and the Bureau of Industry and Security (BIS). Active in the legal community, Mr. Hill is a member of the Philadelphia Bar Association – Criminal Justice Section, The Pennsylvania Association of Criminal Defense Lawyers (PACDL), as well as the Federal Criminal Law Committee for the Eastern District of Pennsylvania. He is recognized in the 2026 edition of Legal 500 for his work in White-Collar Crime in Philadelphia. Mr. Hill also maintains a robust pro bono practice. For the past fifteen years, he has represented abused or neglected children in Philadelphia County through the Support Center for Child Advocates, earning the organization’s Distinguished Advocate Award in 2021. He also regularly takes cases through Philadelphia VIP representing individuals, small businesses, and nonprofits with civil legal issues. Previously, he served on the Board of Good Shepherd Mediation Program and was a volunteer mentor through the Big Brothers Big Sisters program. A graduate of The Pennsylvania State University, Mr. Hill earned his J.D. from The Dickinson School of Law. After law school, he clerked for the Honorable Mark Bernstein (ret.) of the Philadelphia Court of Common Pleas.

GREGORY A. MASON is senior counsel in the Philadelphia Office of Pietragallo Gordon Alfano Bosick & Raspanti, LLP where he is a member of both the Government Enforcement, Compliance, & White Collar Litigation and the Qui Tam & False Claims Act Practice Groups. Mr. Mason is a former trial attorney at the United States Department of Justice (Civil Division, Fraud Section), who focuses on representing qui tam plaintiffs and other whistleblowers, as well as defending individuals and companies facing False Claims Act investigations and other criminal and civil government enforcement. He litigates all aspects of fraud cases and other complex matters, and provides counsel and strategic guidance to individuals and entities in need of risk mitigation and compliance in the face of government regulation and enforcement. Government Enforcement, Compliance, & White Collar Litigation Practice Mr. Mason routinely defends health care, education, and financial services companies and individuals accused of fraud and other wrongdoing. Some representative matters include defending: A behavioral health services company and individual psychiatrists accused of upcoding and overbilling for psychiatric treatments and visitations at nursing homes and assisted living facilities; A medical device company accused of Anti-Kickback Statute violations related to sales commissions; Individual doctors accused of improperly inflating the cost of pharmaceuticals billed to Medicare; A charter school accused of submitting false certifications to obtain federal grants; and Individual loan officers and employees of a financial services company accused of improperly approving ineligible loans under the Paycheck Protection Program. Qui Tam Practice In addition to defending targets of government investigations, Mr. Mason regularly represents whistleblowers who courageously come forward to report fraud and other wrongdoing, including qui tam relators under the False Claims Act, SEC whistleblowers under the Dodd-Frank Act, and whistleblowers under other state and federal statutes and programs. Drawing on his depth of experience investigating and prosecuting whistleblower complaints at the DOJ, and his experience advising defendants in government investigations and whistleblower litigation, Mr. Mason provides valuable strategic guidance to people reporting fraud across a broad range of industries. Background During his ten years as a DOJ trial attorney, Mr. Mason helped to recover over $100 million in settlements and resolutions of cases brought under the False Claims Act. Mr. Mason prosecuted a wide variety of allegations of fraud in the healthcare and procurement contexts. Some representative matters include investigating and prosecuting: Cyclist Lance Armstrong and his former professional cycling team for using performance-enhancing drugs in violation of the team’s sponsorship agreement with the United States Postal Service; Health insurance companies that allegedly retained Medicare Advantage (Medicare Part C) risk adjustment payments that were improperly inflated by inaccurate diagnostic data submitted to the Centers for Medicare & Medicaid Services (CMS); Home health providers that allegedly billed the Medicare program for medically unnecessary therapy; Clinical laboratories that allegedly billed federal healthcare programs for laboratory tests performed with unsafe and unreliable handling of blood and urine specimens; A biomedical company that allegedly billed inflated prices for skin grafts that it sold to the Department of Veterans Affairs; Medical device companies and distributors for allegedly fraudulently billing Medicare for non-approved medical devices; and A software company that allegedly billed inflated prices for computer software that it sold to government agencies. Prior to his time at the DOJ, Mr. Mason practiced general commercial litigation for five years at a large law firm in Washington, D.C., where he handled cases across a broad range of legal issues, including business disputes, breach of contract, general liability, government investigations, intellectual property, defamation, construction and real estate, and professional malpractice. Mr. Mason received his undergraduate degree in Physics from Lewis & Clark College, where he was a Dean’s Scholar and a member of Sigma Pi Sigma, the national physics honor society. He received his J.D., with honors, from The George Washington University Law School, where he was a member of the Mock Trial Board and Public Contract Law Journal.