William M. McSwain was sworn in as the United States Attorney for the Eastern District of Pennsylvania on April 6, 2018.  As U.S. Attorney, Mr. McSwain is the chief federal law enforcement officer responsible for all federal criminal prosecutions and civil litigation involving the United States in the Eastern District of Pennsylvania, which is one of the nation’s most populous districts with over 5 million people residing within its nine counties (Berks, Bucks, Chester, Delaware, Lancaster, Lehigh, Montgomery, Northampton and Philadelphia counties), covering about 4,700 square miles.  Mr. McSwain supervises a staff of approximately 130 Assistant U.S. Attorneys and a similar number of non-attorney support personnel at offices in Philadelphia and Allentown.

Prior to his appointment as U.S. Attorney, Mr. McSwain was a partner at the law firm of Drinker Biddle & Reath in the firm’s Philadelphia office, specializing in white collar criminal matters and complex business litigation.  He served as an Assistant U.S. Attorney in the Criminal Division of the U.S. Attorney’s Office for the Eastern District of Pennsylvania from 2003 to 2006.  While an Assistant U.S. Attorney, he led grand jury investigations and subsequent prosecutions of violent crime, narcotics distribution and white collar crime, including tax fraud, corporate fraud, bank fraud, federal procurement fraud, embezzlement, money laundering, and computer network intrusion. While at the U.S. Attorney’s Office, he was specially assigned to the Department of Defense in 2004 to be the lead staff investigator and Executive Editor of the “Church Report,” a worldwide examination of military interrogation techniques in the Global War on Terror that was commissioned by Secretary of Defense Donald Rumsfeld and chaired by Vice Admiral Albert Church.  Mr. McSwain clerked for the Honorable Marjorie O. Rendell, United States Circuit Judge of the United States Court of Appeals for the Third Circuit.

Mr. McSwain earned a B.A. in Economics, with honors, from Yale University in 1991. He earned his J.D. from the Harvard Law School in 2000, where he served as an editor of the Harvard Law Review.  While at Harvard, he was a member of the winning team in the Ames moot court competition and received the George S. Leisure award as the Best Oralist in the Ames competition.  Prior to law school, Mr. McSwain served as a U.S. Marine Corps infantry officer and scout/sniper platoon commander.

Mr. McSwain resides in Chester County, PA, where he was raised.  He is the first Chester County native to hold the position of U.S. Attorney for the Eastern District of Pennsylvania.