James Langenfeld, Ph.D.

Managing Director

Economics Consulting Services

Washington, DC +1.847.424.4108

Areas of Expertise

In addition to his role as Managing Director at Navigant Economics, Dr. Langenfeld is Adjunct Professor at Loyola University School of Law and Editor of Research in Law & Economics. As a consultant, he provides economic analyses in the context of litigation, regulation, and economic policy. He has done extensive work in many industries, including healthcare, pharmaceuticals and medical devices, insurance, petroleum, chemicals, motor vehicles, defense and aerospace, tobacco, and other consumer and industrial products.

Dr. Langenfeld regularly testifies in litigation and regulatory proceedings at the federal and state levels in the U.S. and in other countries, including Europe and Canada. These analyses include economic evaluation of monopolistic practices, price fixing, and price discrimination, mergers, damages, class certification, and regulations’ impact on firms and consumers.

His professional experience includes ten years with the Federal Trade Commission (FTC), serving as Director for Antitrust in the Bureau of Economics. In that role, he managed 45 Ph.D.-level economists and was one of the main contributors to the 1992 Horizontal Merger Guidelines and the 1993 Statements of Antitrust Enforcement Policy in Health Care. He also served as a Senior Economist at General Motors.

Dr. Langenfeld has been awarded many honors and has published numerous articles in journals and books on diverse topics in applied economics and econometrics, including analyses of antitrust issues, mergers, intellectual property, the interface of antitrust and intellectual property, class certification, and damages. He is on the editorial board and referees for several professional journals, and serves on the advisory board of a number of professional organizations.

A.B., Georgetown University
Ph.D., Washington University

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James Langenfeld, Ph.D.

Managing Director


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