Dr. John H. Johnson, IV

Chief Executive Officer
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DC Office
Office 202.559.4388
Mobile 703.731.0052

Toronto Office
Office 647.951.8560

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Dr. Johnson is the CEO of Edgeworth Economics. He has helped build Edgeworth into one of the most prominent economic consulting firms in the world by assembling a group of the brightest, rigorously trained economists. In his consulting practice, Dr. Johnson uses econometrics and economic theory to develop careful analyses in a wide range of antitrust, labor and employment, class action, and damages-related matters. Dr. Johnson frequently writes and presents on economic topics related to litigation, including several highly-cited papers on rigorous analysis in antitrust class actions. A teacher at heart, Dr. Johnson is known for his ability to explain technical concepts in a simple, straightforward manner.

Dr. Johnson provides consulting and testimony that spans all aspects of criminal and civil antitrust litigation, including data discovery and extraction, class certification, liability, damages and settlements in matters of:

  • Price fixing litigation;
  • Claims of monopolization and attempted monopolization;
  • Criminal and civil cartel investigations;
  • Market allocation conspiracies;
  • Bid rigging;
  • Other exclusionary practices such as refusals to deal, exclusive dealing, and tying and bundling claims; and
  • Volume of commerce calculations.

Dr. Johnson has served as an antitrust expert witness and consultant in the United States, Canada, Europe, and Asia opining on class certification, market definition, anticompetitive effects, liability issues, causation, and antitrust damages. Representative testifying matters include In Re Pool Products Antitrust Litigation, In Re NYC Hop On Hop Off Tour Bus Litigation, In Re Mushroom Antitrust Litigation, In re Wholesale Grocery Products Antitrust Litigation, In re Set-Top Box Antitrust Litigation (Charter) and In re Chocolate Confectionary Antitrust Litigation, in addition to consulting on antitrust and labor matters on behalf of the NFL Players AssociationHe is a past Associate Editor of the Antitrust Law Journal.

In the area of labor and employment, Dr. Johnson applies his econometric training in age, race, gender, and pregnancy discrimination litigations, wrongful termination cases, wage and hour disputes, and other labor issues. His work in these areas includes economic issues related to liability in addition to the quantification of damages. Representative testifying matters include EEOC v. Bloomberg, EEOC v. JP Morgan Chase, OFCCP v. Bank of America, OFCCP v. Cargill, In re Hostess Brands Bankruptcy Litigation, and Letty Hernandez v. Starbucks. Dr. Johnson’s publications focuse extensively on issues related to the Fair Labor Standards Act and the intersection of work and family relationships.

Dr. Johnson’s class action practice focuses on class certification issues in antitrust, data privacy, false advertising, and labor class actions. He constructs and analyzes complex databases, employing sophisticated econometric techniques to determine whether liability and/or damages can be certified on a common, class-wide basis or whether individual inquiry is appropriate. Dr. Johnson has authored several academic papers on antitrust and labor class actions, and coauthored an amicus brief to the Supreme Court in Comcast v. Behrend.

In the area of data privacy and analytics, Dr. Johnson works with companies and outside counsel to provide litigation and consulting support related to the appropriate use and interpretation of complex datasets. As part of Edgeworth’s data analytics and privacy practice, Dr. Johnson helps clients assess potential scope of a data breach, assess theories of injury and harm, and provide assistance with FTC investigations and class actions. On the analytics side, Dr. Johnson provides consulting to help companies translate their internal data into actionable and understandable information in a variety of contexts, such as human resources and business intelligence. Dr. Johnson is a member of the International Association of Privacy Professionals and is a Certified Information Privacy Professional - US Private Sector (CIPP-US).

In addition to his roles at Edgeworth Economics, Dr. Johnson is also a member of the Boards of Directors of the National Appleseed Pro Bono Network and the National Archives Foundation.

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Dr. Johnson received his PhD in economics from the Massachusetts Institute of Technology and his BA in economics, with highest distinction, from the University of Rochester.  


Appleseed, Board of Directors

National Archives Foundation, Board of Directors

Professional Affiliations

American Economic Association

American Statistical Association

American Bar Association

  • Labor and Employment Section
  • Antitrust Section

National Association of Forensic Economists

International Association of Privacy Professionals

Previous Experience 

  • Professor of Economics and Labor and Industrial Relations, University of Illinois, Urbana-Champaign
  • Affiliated Professor, Georgetown University, Public Policy Institute
  • Antitrust Law JournalAssociate Editor
  • ABA Antitrust Section, Vice Chairman, Agriculture and Food Committee

Practice Areas



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