William Stallings

Practice Areas

William H. Stallings is a partner in Mayer Brown's Washington DC office, where he co-leads the firm’s global Antitrust & Competition practice. Bill’s competition and consumer protection practice covers domestic and global merger reviews, government investigations, cartels, litigation (including class actions), and government procurement matters. He regularly appears before the U.S. Department of Justice and the Federal Trade Commission.

Before joining Mayer Brown in 2015, Bill spent 17 years at the US DOJ’s Antitrust Division, where he held several key roles, including Chief of the Transportation, Energy, and Agriculture Section. Bill had responsibility for second request merger reviews, civil conduct investigations, and litigating cases in industries such as airlines, oilfield chemicals and services, meatpacking, shipping, agricultural products, energy generation and distribution, and financial services.