William R. Levi is a Partner at Sidley Austin in Washington, D.C., where he specializes in Antitrust and Competition, Regulatory Litigation, Supreme Court, Appellate, and Litigation Strategies, as well as White Collar Defense and Investigations. Drawing on his extensive experience in senior roles at the U.S. Department of Justice and the U.S. Senate, William represents clients in high-stakes government enforcement actions, congressional investigations, and complex litigation. Notably, he served as Chief of Staff and Senior Counselor to the Attorney General, earning the Edmund J. Randolph Award for his service. William also clerked for U.S. Supreme Court Justice Samuel A. Alito, Jr. and is recognized as a "D.C. Rising Star" by The National Law Journal.
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