Gregor Langus

Vice President*


  • Brussels | London


    • European University Institute, Italy, Ph.D.
    • Central European University, M.A.
    • University of Ljubljana, Slovenia, B.A. (with distinction)

Gregor Langus leads Cornerstone Research’s Brussels competition team. Dr. Langus is a leading European competition economist who supports clients and provides expert testimony in antitrust investigations, merger reviews, competition damages matters, and arbitration proceedings. He has extensive experience in innovation, digital markets, and intellectual property matters, with a focus on information technology markets, online platforms, standard essential patents (SEPs), and copyright issues.

Dr. Langus has worked on matters in multiple jurisdictions, including before the European Commission (EC), the U.S. Department of Justice (DOJ), the Federal Trade Commission (FTC), and competition authorities and courts of several European Union member states.

Dr. Langus served in the Chief Economist’s Team in the EC’s Directorate-General for Competition (DG COMP) for over seven years, in two separate appointments. During that time, he worked on numerous complex merger reviews, including IBM/RedHat, Dow/Dupont, Blackstone/Celanese, Broadcom/Brocade, Microsoft/LinkedIn, ASL/Arianespace, Wabtec/Faiveley, Siemens/DresserRand, Intel/McAfee, Oracle/Sun, EDF/British Energy, Campina/Friesland, and TomTom/TeleAtlas. Dr. Langus also consulted on matters alleging abuse of market power and information exchange.

Dr. Langus is the lead author of several competition policy studies focused on copyright, licensing, merger control, and telecommunications issues. His academic articles have been published in peer-reviewed journals, including the International Journal of Industrial Organization, Economics Letters, the Journal of Competition Law and Economics, and Concurrences.

Dr. Langus has extensive consulting experience as head of CompetitionSphere, and in senior roles with major economics consulting firms. Dr. Langus also has teaching experience as a lecturer at Tilburg University.

Dr. Langus speaks widely on competition, mergers, and SEP issues. Who’s Who Legal has recognized him as a Thought Leader among top global competition economists.



2024 Florence Digitalisation Summer Conference


Balanced and Transparent Antitrust in the AI Space


Key Insights and Takeaways: 2024 Technology Economics Competition (TEC) Institute Summit, Brussels


2024 Technology Economics Competition (TEC) Institute Summit, Brussels


The Merger Control Forum 2024: Examining Recent Cases in Big Tech and Digital Markets

Press Release

Cornerstone Research Named Among 2024 Outstanding Global Economic Consultancies


Cartels Workshop: An Advanced Seminar on Substantive and Procedural EU Developments


Innovation in Merger Control