Sean Sullivan holds the Jon and Sarah Fister Chair in Law & Economics at the University of Iowa College of Law. Prior to joining the faculty at Iowa, he served as an attorney for the Federal Trade Commission. His research involves core questions in antitrust law and evidence—questions like why market shares tell us anything about market power and what it means for a jury to find the truth of a disputed fact. He also studies markets, negotiation, and small-sample statistical methods as an experimental economist.