Doha Mekki

Doha Mekki is a Senior Fellow at the Center for Law and the Economy. Her academic work focuses on research and writing about competition, consumer law, enforcement of public economic laws, and the courts.

Mekki formerly served as Principal Deputy Assistant Attorney General of the U.S. Department of Justice’s Antitrust Division from 2021 until 2024, and as the Acting Assistant Attorney General until January 2025. In these roles, she supervised civil and criminal enforcement, litigation, trials, appeals, domestic and international policy, competition advocacy, and the expert analysis program. During her time at the Department of Justice, Mekki oversaw investigations and litigation against anticompetitive corporate practices in major markets including digital markets, housing, agriculture, and financial services, among others. Under her supervision, division lawyers filed historic monopolization cases and secured key trial victories. She spearheaded the first comprehensive effort to consider the anticompetitive effects of mergers, conspiracies, and other corporate conduct in labor markets. She also helped shape the division’s thought leadership and enforcement posture on algorithmic collusion.

Mekki served in the Justice Department’s Antitrust Division for 10 years, joining in 2015 as a Trial Attorney. She is a three-time recipient of the Assistant Attorney General’s Award of Distinction and testified before the U.S. Senate and House of Representatives about antitrust and competition matters of national significance. She has served as a trusted antitrust counsel and advisor to Republican and Democratic officials alike. She is a graduate of the University of Pennsylvania Carey Law School and Perelman School of Medicine, as well as Duke University.