Katherine Speegle

Katherine Celeste Speegle is a partner in the firm's Trial Practice Group and brings more than 15 years of experience from the U.S. Department of Justice, Antitrust Division, where she served as a trial attorney and Assistant Chief of the Transportation, Energy, and Agriculture Section. Her practice focuses on complex antitrust investigations and litigation, with particular experience in merger review and enforcement actions, conduct investigations, and trial work involving highly regulated industries.

During her six-year tenure as Assistant Chief of the Transportation, Energy, and Agriculture Section, she worked on and oversaw dozens of investigations and multiple trials and was responsible for second-line review of hundreds of HSR-reportable transactions.  In this role, she also worked closely with Division leadership to implement front office priorities and worked with policy and appellate staff on matters implicating the Transportation, Energy, and Agricultural Section’s commodities. She has substantial experience working cooperatively with other federal agencies in regulated industries such as aviation, shipping, rail, agriculture, and electric power generation, giving her a comprehensive understanding of the broader regulatory framework affecting firms’ business decisions.

As a trial attorney, Katherine led multiple second-request investigations and played key roles on many high-profile investigations and litigations. She has worked on litigated matters involving oilfield services, agricultural inputs, civil aviation, telecom, and advertising.

Katherine has received multiple Assistant Attorney General awards, including the Award of Distinction for outstanding work as lead of a merger investigation, as well as numerous team awards recognizing exceptional litigation and investigative efforts.

She received her J.D. from Georgetown University Law Center, where she was a member of the Georgetown Journal of Law and Public Policy, and her B.A., magna cum laude, from Bates College.

Admitted in New York Only; Not a D.C. Bar Member, but Supervised By One or More D.C. Bar Members.