Georges Siotis

Affiliate Consultant


George Siotis is an Affiliate Consultant with Compass Lexecon and Associate Professor of Economics at Universidad Carlos III de Madrid.

Georges earned his Masters of Advanced European Studies from the College of Europe (Bruges) and his Ph.D. from the Université Libre de Bruxelles (ECARES). He teaches Competition Policy (undergraduate) and Empirical Industrial Organization (graduate) at the Universidad Carlos III de Madrid. Georges’ academic research focuses on the empirical analysis of competitive processes. He has written numerous papers on competition policy and industrial organization published in peer-reviewed academic journals.

During 2008-2011, he was a member of DG Competition’s Chief Economist Team, where worked on the development of horizontal policies. He actively participated in a number of high-profile merger, antitrust, and State aid cases.

Prior to joining Compass, Georges acted as an independent consultant for Spanish and non-Spanish firms and provided expert testimony in Court. He was involved in the first damages case in Spain (Conduit case). Currently, he is active in the Trucks litigation as well as ongoing 101 and 102 cases.


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    • PhD in Economics, Université Libre de Bruxelles
    • MA in Advanced European Studies, College of Europe
    • BSc in Economics and Economic History, London School of Economics and Political Science

Georges’ cases

Georges’ insights

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