john-pierce-2John Pierce served 14 years as an Assistant U.S. Attorney prosecuting complex frauds, organized crime, and homicides. He conducted more than 70 trials in multiple jurisdictions, coordinated international investigations and extraditions, presented hundreds of investigations to grand juries, and briefed and argued appeals. He served on the Organized Crime Drug Enforcement Task Force and the Healthcare Fraud Subcommittee of the Attorney General’s Advisory Committee.



A trial attorney whose practice focuses on sophisticated criminal defense and civil litigation, Mr. Pierce represents individuals and organizations – foreign and domestic — under investigation or prosecution by the U.S. government and foreign countries. He also prosecutes claims for whistleblowers and victims of fraud perpetrated by corporations and financial institutions, and fights for clients involved in commercial, securities, corruption, export control, tax, and healthcare disputes.



From 2000 to 2003, Pierce served as counsel to Dickstein Shapiro in Washington, DC, representing corporations in antitrust litigation and other complex matters. He prosecuted antitrust claims worth more than $1 billion, defended corporate clients in commercial litigation, and conducted internal investigations. He opened his own practice in 2003, and founded Themis in 2010.



Mr. Pierce is admitted to practice before the Supreme Court of the United States, several United States Circuit Courts of Appeal and District Courts, the United States Court of Federal Claims, and is a member of the bars of the District of Columbia, Maryland, Virginia, California, and Illinois. He has served as General Counsel to The Woods Academy, a private school in Bethesda, Maryland, and coaches several youth sports teams. He graduated from Purdue University with a BS in Economics and received his law degree from the University of Texas School of Law.



John Pierce

Founding Member


Admitted in: DC, MD, VA, CA, IL

202-567-2050 (office);

202-297-9669 (mobile)