Gregory J. Werden joined the Mercatus Center at George Mason University a Visiting Scholar in November 2022. Werden earned a Ph.D. in economics at the University of Wisconsin then began work at the Antitrust Division of the U.S. Department of Justice. At the Justice Department, he helped prepare numerous sets of enforcement guidelines and over a hundred briefs filed in the appellate courts or the Supreme Court. He is the only Antitrust Division employee ever to receive the Department’s Mary C. Lawton Lifetime Service Award. Throughout his government service, he actively contributed to scholarship in antitrust. After retiring from government service in 2019, he wrote a book titled The Foundations of Antitrust: Events, Ideas, and Doctrines (Carolina Academic Press 2020).

2022 Awards


Winner, 2022 Antitrust Writing Awards: Business, General Antitrust

Nominee, 2022 Antitrust Writing Awards: Academic, Unilateral Conduct

Nominee, 2016 Antitrust Writing Awards: Academic, Economics

Nominee, 2015 Antitrust Writing Awards: Academic, Mergers

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