For more than two decades, Keith has maintained an international competition law practice that has included civil and criminal litigation (including extensive experience in price-fixing matters), merger clearance, government investigations, and antitrust counseling. He began his career at Latham & Watkins, where he litigated numerous antitrust matters, both in the U.S. and abroad. Before turning his focus to antitrust affirmative recoveries, Keith played key roles in obtaining regulatory clearance for several high-profile corporate mergers.

Keith is active in the antitrust and competition law community, and has published widely; his antitrust writings have appeared in Law 360, Global Competition Review, and Competition Policy International, among others.

Prior to his legal and business career, Keith was a professional academic. After obtaining a Ph.D. from the University of Wisconsin, Keith was a professor at several US universities, where he taught graduate and undergraduate courses, and published widely. Keith later earned a J.D. with honors from the University of Washington.