William H. Rooney Willkie Farr & Gallagher


William H. Rooney is a partner in Willkie Farr & Gallagher LLP and Chair of Willkie’s U.S. Antitrust Practice Group, where he specializes in all forms of antitrust matters across jurisdictions. Mr. Rooney’s antitrust experience includes domestic and international investigations, merger filings, litigation, and business ventures. He recently received the 2016 William T. Lifland Award from the New York State Bar Association. The Lifland Award recognized Mr. Rooney as a distinguished antitrust practitioner, for his accomplishments in the field of antitrust, and his service to the antitrust community. Chambers USA (2005-2016) ranks Mr. Rooney among the leading antitrust practitioners in New York.

2020 Awards


Nominee, 2020 Antitrust Writing Awards: Business, Mergers

Nominee, 2020 Antitrust Writing Awards: Business, Unilateral Conduct

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