Dave Wales is the practice leader for Jones Day's worldwide Antitrust & Competition Law Practice and has extensive antitrust experience in both the private and public sectors. He represents foreign and domestic clients in a wide range of industries on all aspects of antitrust, including mergers and acquisitions, criminal grand jury investigations, dominant firm conduct, distribution arrangements, licensing, and competitor collaborations.

Dave has the unique experience of serving as a senior official in both U.S. antitrust agencies. He spent three years at the Federal Trade Commission and, from 2008 to 2009, oversaw all of the agency's antitrust enforcement as acting director of the Bureau of Competition. Dave was involved with many industries at the FTC, including pharmaceuticals, health care, energy, chemicals, defense, retail, consumer products, and high-technology. Major matters handled during his tenure included Whole Foods' acquisition of Wild Oats, CCC's acquisition of Mitchell, lawsuits against Cephalon and Solvay Pharmaceuticals for exclusion payment agreements, and Inova's acquisition of Prince William Hospital. From 2001 to 2003, Dave was counsel to the assistant attorney general in the Department of Justice's Antitrust Division, where he was part of the team overseeing all antitrust matters before the agency, including the Microsoft case, the DIRECTV/Echostar merger, and Northrop Grumman's acquisition of TRW.

Dave has testified on antitrust policy issues before the U.S. Congress and the Antitrust Modernization Committee. He regularly speaks and writes on antitrust and has had various leadership positions in the American Bar Association's Antitrust Section.