Daniel P. O’Brien

Compass Lexecon Daniel P. O’Brien on SSRN  


Dr. Daniel P. O’Brien is a Senior Consultant with Compass Lexecon and founder of Microfoundations and was formerly Deputy Director of the Federal Trade Commission’s Bureau of Economics and Chief of the Economic Regulatory Section at the Department of Justice’s Antitrust Division. He has led investigations across a wide range of industries and has served as an economic expert on several antitrust and litigation matters.  He has taught economics at Northwestern University, the University of Michigan, Georgetown Law School, the University of Verona, Italy, the Kelley School of Business, Indiana University, and UC Berkeley, and he continues to engage in research and present at conferences and universities around the world. His research has been published in leading economic and law journals, including the American Economic Review, Journal of Economic Theory, Rand Journal of Economics, American Economic Journal: Microeconomics, Antitrust Law Journal, International Journal of Industrial Organization, Journal of Industrial Economics, Journal of Economics & Management Strategy, Journal of Law, Economics & Organization, among others.  He has articles on vertical restraints, critical loss analysis, and common ownership that have influenced competition policy and the field of industrial organization. He has been an invited speaker at hearings before the FTC on vertical merger guidelines and common ownership and before the OECD on common ownership.