Aaron S. Dyer

Aaron S. Dyer is a highly experienced trial attorney and co-leader of Pillsbury’s Corporate Investigations & White Collar Defense Practice Group. A former federal prosecutor, he focuses on complex criminal and civil litigation, regulatory enforcement, and corporate investigations. His practice includes securities fraud, healthcare fraud, intellectual property theft, and False Claims Act cases. He also advises clients on corporate governance, compliance programs, and internal investigations.

Dyer earned his J.D. from the University of California, Los Angeles, School of Law in 1992. He also holds a Bachelor of Science from the University of Southern California, where he was a member of the PAC-10 Champion basketball team and the National Champion volleyball team. He is admitted to practice in California, the U.S. Court of Appeals for the Ninth Circuit, and the U.S. District Court for the Central District of California.

During his seven years with the U.S. Attorney’s Office in Los Angeles, Dyer prosecuted a wide range of complex fraud cases, including securities fraud, tax fraud, and insurance fraud. As the Office’s Computer and Telecommunications Crimes Coordinator, he led cutting-edge prosecutions involving internet and computer crimes. He also served as deputy chief and acting chief of the Major Frauds Section, managing high-profile federal fraud matters and arguing multiple appeals before the U.S. Court of Appeals for the Ninth Circuit.

Now, in private practice, Dyer represents corporations and individuals in litigation and regulatory matters. He has led major fraud investigations and defended clients in antitrust, trade secrets, and government contract disputes. His experience in both prosecution and defense allows him to craft strategic solutions for clients facing government scrutiny.

Recognized by Chambers USA for White-Collar Crime & Government Investigations, Aaron S. Dyer has also been listed in Best Lawyers and named one of America’s Leading Litigators by Lawdragon. A frequent speaker at legal conferences, he shares insights on fraud, compliance, and corporate defense strategies. With his deep understanding of government enforcement and corporate investigations, Dyer provides clients with strong, strategic representation in high-stakes legal matters.

Law Office Affiliations

• Partner, Pillsbury Winthrop Shaw Pittman LLP
• Member, California State Bar Association

Licensed State

• California

Education

• University of California School of Law
  Juris Doctor (JD)
• University of Southern California
  Bachelor of Science (BS)

Awards & Badges