Professor Spiller has offered testimony and consulted on over 180 litigation and international arbitration cases in a variety of sectors across the world.

He has offered opinions in both contractual and treaty disputes on topics including regulatory issues, contract interpretation, and damages. He has testified in jurisdictions including ICSID, ICC, LCIA, and AAA. He has consulted extensively with the World Bank, United Nations, Inter-American Development Bank, private companies, and governments.

Prof. Spiller is the Jeffrey A. Jacobs Distinguished Professor Emeritus of Business and Technology and a professor of graduate studies at the University of California, Berkeley Haas School of Business. He was a professor of economics at the University of Pennsylvania and University of Illinois, a senior research fellow at Stanford University’s Hoover Institution, and a research associate at the National Bureau of Economic Research. He is the former president of the International Society for New Institutional Economics and was an elected member of the board of directors of the American Law & Economics Association. He received his PhD at the University of Chicago. He is also the former president and a current member of the board of ReachingU – A Foundation for Uruguay.

Prof. Spiller has published ten books and more than one hundred academic articles on regulatory, antitrust, and institutional issues. He was the editor-in-chief and associate editor of the Journal of Law, Economics, and Organization for nineteen years and has held editorial appointments at a variety of academic journals. He was also chair of the Business and Public Policy group at the University of California, Berkeley and served as special advisor to the director at the Bureau of Economics of the US Federal Trade Commission.

Employment History

Compass Lexecon
Senior Consultant, 2011 – 2024

Director, Co-Chair of International Arbitration practice, 1993 – 2011

University of California, Berkeley Walter A. Haas School of Business
Jeffrey A. Jacobs Distinguished Professor (Emeritus) of Business & Technology, 2013 – present
Professor of Graduate Studies, 2013 – present
Jeffrey A. Jacobs Distinguished Professor of Business & Technology, 2003 – 2013
Joe Shoong Professor of International Business and Professor of Business and Public Policy, 1995 – 2003

Research Associate, 2003 – 2023

Community/Civic Involvement

Reaching U – A Foundation for Uruguay, 2020-2022
President, Board of Directors, 2020

Areas of Expertise


University of Chicago,
PhD, Economics, 1980
MA, Economics, 1977

Hebrew University in Jerusalem
MA, Economics (cum laude), 1976
BA, Economics (cum laude), 1974

Universidad de la República (Uruguay)
Economics and Business Administration, 1972


Who’s Who Legal
Named as “Global Thought Leader in International Arbitration of 2024”; named every year since 2010

Society for Institutional and Organizational Economics
Recipient of 2023 Elinor Ostrom Lifetime Award for “sustained significant academic contributions to institutional and organizational economics”

National Academy of Economics, Uruguay
Named Permanent Member (Miembro Numerario), 2021

Appointed to the Task Force on Damages in International Arbitration, 2019