David Sevy is an Executive Vice President at Compass Lexecon and heads up the Paris office.

David has advised clients on a wide variety of competition and litigation issues, in over hundred and fifty cases covering very different sectors, including consumer goods, retailing, media, transportation, automotive, aeronautics, healthcare, telecommunications, energy, and financial services.

David has advised clients in many complex mergers, including a number of Phase II proceedings before the European Commission and national competition authorities (France, Belgium, UK, Switzerland, Malta, Romania). Recent EC experience involves Phase II cases Fiat Chryler/Peugeot (2020), Siemens/Alstom (2018), Thales/Gemalto (2018), Wabtec/Faiveley (2016), and Liberty Global/Base (2016), as well as Phase I cases Orange/TKR (2021) and Safran/Zodiac (2017). Recent experience in front of the French NCA includes Phase II cases Ardian/SPMR (2021), Cofigeo/William Saurin (2018) and FNAC/Darty (2016).
David has also advised clients in antitrust cases before the European Commission (including Art. 101 cases re: Natural gas, Power Cables, Euribor, CDS, SSA Bonds) and before national jurisdictions. David has also acted as economic and testifying expert in several commercial litigation (before French and German commercial courts in particular) and international arbitration cases (under ICC, ICSID and LCIA), as well as in WTO cases.

David is featured in the Who’s Who of Competition Economists Thought leaders and in the Who’s Who of Commercial Arbitration.

He is Non-Governmental Advisor for the French competition authority in the International Competition Network.

David graduated from Ecole Polytechnique (1986) and received his Ph.D. in Economics from Ecole Polytechnique (1993). After a post-doc at AT&T Bell Laboratories (1994), David worked for France Télécom (1994–1999) as senior regulatory economist. He then joined McKinsey & Company in Paris, from 1999–2002.

David´s academic research focused mainly on theoretical and applied industrial economics. He is currently adjunct professor of economics at Ecole Polytechnique, teaching antitrust economics, after having taught business and organization economics. David is co-author of the textbook Economie de l’entreprise, aux Editions de l’Ecole Polytechnique and is frequently invited as speaker at competition policy conferences.