Mark Hamer

Mark Hamer serves as Deputy Assistant Attorney General with a focus on civil litigation and enforcement. He has over 30 years of litigation experience in both public service and private practice. Before returning to the Division, Mr. Hamer was a partner at a global law firm where he served as Global Chair of its Antitrust & Competition Practice Group, leading a team of over 250 competition lawyers in 43 countries. In private practice, he focused on antitrust litigation and antitrust conduct investigations around the world. Mr. Hamer previously served as a trial attorney in the Antitrust Division for 7 years handling both merger and non-merger litigation. Mr. Hamer received his J.D. from the University of Virginia School of Law, and a B.A. in History with High Distinction from the University of Virginia.