Mary N Strimel

Mary N Strimel

McDermott Will & Emery • Washington, DC
Antitrust Trade LawClass ActionsInvestigationsTransportation

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Contact

Email
Phone
(703) 947-0877
Address
500 N. Capitol St., Washington, DC, 20001, US

Professional

About

Mary Strimel advises and defends clients on mergers, acquisitions, criminal price-fixing, class actions and other antitrust investigations before the US Department of Justice, the US Federal Trade Commission, and state and federal courts. Her criminal and civil antitrust work has spanned a wide range of industries, including transportation, software, financial markets, data publishing, chemicals, pharmaceuticals, glass, industrial products, alcoholic beverages and telecommunications. Mary was an attorney with the DOJ Antitrust Division for over a decade, most recently as the founding chief of a criminal enforcement section launched in Washington, DC. Mary has extensive experience handling a full range of antitrust criminal litigation and investigative activities, including covert investigations, search warrants, witness interviews, plea agreements, coordination with foreign enforcement agencies, conduct of parallel civil/criminal investigations, grand jury presentations, trial preparation, and electronically stored information (ESI). In civil matters, Mary’s experience with enforcement agencies includes evaluation of market power, coordinated and unilateral effects, “fix it first” remedies, efficiencies, and proposed divestitures. She has presented expert and lay witnesses at trial regarding efficiencies and civil damages issues. Before joining the DOJ Antitrust Division, Mary litigated high-stakes antitrust damages actions at a law firm specializing in complex class actions.

About Antitrust Trade Law

Antitrust attorneys handle matters involving competition law, market practices, and trade regulations. They help businesses comply with antitrust laws and defend against claims. Common matters include price fixing, monopoly claims, merger review, trade practices.

Credentials

Education
1994 Harvard University Law School JD - Juris Doctor 1991 Washington University in St. Louis BA - Bachelor of Arts

Recognition & Involvement

Publications
2017 Today's General Counsel Cartel Investigations and Leniency
Associations
2015 - Present American Bar Association Member
Speaking
2017 65th ABA Antitrust Law Spring Meeting The Yates Memo and Ethics
Updated: Mar 08, 2026