Mary Ellen Powers has represented clients in complex civil litigation and high-profile criminal, regulatory, and congressional investigations for more than 35 years. Her practice has included cross-border disputes and investigations in Europe, Asia, Africa, and the Middle East. Mary Ellen is Partner-in-Charge of Jones Day in Europe.
Mary Ellen has defended clients against claims under RICO, the Antiterrorism Act, and the Alien Tort Claims Act and in government investigations arising under the FCPA, the USA PATRIOT Act, and under securities, financial, and consumer regulatory statutes. Representations have included: Virginia Governor Robert McDonnell in a corruption investigation, a Saudi construction company in connection with claims arising out of the 9/11 attacks, Mattel in congressional investigations relating to toys manufactured in China, a pedal manufacturer in congressional and NHTSA investigations involving recalled Toyotas, a Macau bank challenging measures imposed by FinCEN under Section 311 of the USA PATRIOT Act, and First American Bankshares in the global fallout from the BCCI scandal. She has also represented clients in toxic tort and environmental litigation, including securing a jury verdict for IBM in a much-publicized trial of claims that workplace exposures caused cancer and successfully defending against novel medical monitoring claims in a case alleging environmental exposure due to vapor intrusion.
Mary Ellen is a director of Attorneys' Liability Assurance Society and a trustee of the Jones Day Foundation. She has served on the D.C. Bar Pro Bono Committee and as a lecturer in trial advocacy at the George Washington University National Law Center.
French Anticorruption Agency and French National Financial Prosecutor's Office Publish Updated Guide on Internal Anticorruption Investigations
UK Corporates at Risk Again? UK Government Announces Plans to Adopt New Offence of Failure to Prevent Economic Crime
Evidence Collection in Criminal Investigations: Cross-Border Issues and Corporate Employee Considerations
- March 12, 2014
Rainbow Lecture, Introductory Remarks, House of Commons
- June 26, 2007
Implications of US Criminal and Civil Enforcement Laws on the Conduct of non-US Headquartered Companies
- May 21, 2007
Developments in the Law on Attorney-Client Privilege and Work Product Protection
- May 11, 2006
Regulation and Litigation: Considerations in Doing Business in the US
- University of Virginia (J.D. 1980; Editorial Board, Law Review); Oberlin College (A.B. 1977)
- District of Columbia, United States Supreme Court, and U.S. Court of Appeals for the D.C. Circuit
Law360 "Female Powerbrokers" (2013)
InsideCounsel Transformative Leadership Award (2010)
National Law Journal, "Washington's Most Influential Women Lawyers" (2010)
Legal 500 (2015): recommended for litigation — toxic tort
Best Lawyers in America (2017): commercial and environmental litigation, regulatory enforcement