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Wiley Rein Adds Former DOJ Antitrust Official to Litigation Team

By  |  December 3, 2025

Wiley Rein has expanded its litigation bench with the addition of Nicholas Cheolas, who has joined the firm as a partner, according to Bloomberg. The move, announced Wednesday, adds an antitrust litigator with experience spanning both government and private practice.

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    Cheolas arrives from the US Department of Justice, where he served in the Antitrust Division as a trial attorney and as counsel to the director of civil enforcement. In that role, he advised agency leaders on enforcement priorities and contributed to monopolization matters that drew national attention, per Bloomberg. His work also included supporting merger reviews and conduct investigations across a range of industries.

    The firm expects Cheolas to guide companies and executives through civil and criminal antitrust inquiries, litigation strategies, and compliance efforts in an environment of heightened regulatory scrutiny, according to Bloomberg.

    “Nick’s arrival adds depth to the counsel we provide on matters with significant competition enforcement considerations,” said Wiley Managing Partner Peter D. Shields. “His DOJ background strengthens the insight we bring to clients managing increasingly demanding regulatory and investigative matters. His experience will be a meaningful resource in addressing the challenges these engagements present.”

    Before entering public service, Cheolas spent nearly a decade in private practice handling antitrust class actions, business disputes, and regulatory compliance work. His background includes experience with the Sherman and Clayton Acts, digital platforms, artificial intelligence, and merger analysis, according to Bloomberg.

    The addition of Cheolas underscores Wiley’s continued focus on addressing the evolving antitrust landscape as enforcement agencies pursue more aggressive oversight.

    Source: Bloomberg