Acting United States Attorney, Eastern District of PA
United States Department of Justice
Jennifer Arbittier Williams has been the Acting United States Attorney for the Eastern District of Pennsylvania since January 23, 2021. Prior to assuming this position, she served as the First Assistant U.S. Attorney for the Eastern District of Pennsylvania beginning in April 2018 and oversaw the daily operations of the Criminal, Civil, and Administrative Divisions. Ms. Williams also serves as the Office’s Crisis Management Coordinator, and she previously served as the Chief of National Security and Cybercrime for the Office. Ms. Williams has been a prosecutor in the Eastern District of Pennsylvania since 2002. Although Ms. Williams has prosecuted a wide variety of cases, she has specialized in national security prosecutions, including domestic and international terrorism and state-sponsored cyber hacking. For her work as a prosecutor, Ms. Williams has been awarded the Anti-Defamation League’s SHIELD award (which recognizes law enforcement professionals for major successes in the fight against hate crime, extremism, and terrorism, and for protecting civil rights), as well as the Federal Trade Commission’s National Criminal Liaison Award (which recognizes prosecuting attorneys who demonstrate an exceptional commitment to consumer protection in partnership with the FTC). In addition to her prosecutorial work, Ms. Williams also developed her office’s Youth Court program in Chester, PA, and she continues to serve as the developer and instructor on that program. Ms. Williams graduated with honors from the University of Pennsylvania School of Law in 1995 after obtaining her undergraduate degree with honors from the University of Pennsylvania. Ms. Williams previously served as a law clerk to The Honorable Anthony J. Scirica, United States Court of Appeals for the Third Circuit, and to The Honorable Anita B. Brody, United States District Court, Eastern District of Pennsylvania.