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

David has advised clients on a wide variety of competition and litigation issues, in over 150 cases covering various different sectors, including consumer goods, retail, media, transportation, automotive, aeronautics, healthcare, telecommunications, energy, and financial services.

David has advised clients in many complex mergers, including a number of Phase II before the European Commission and national jurisdictions. Recent European Commission experience includes Phase II cases Liberty Global/Base (2016), Wabtec/Faiveley (2016), Thales/Gemalto (2018), Siemens/Alstom (2018), Fiat/Peugeot (2020) as well as Phase I cases Safran/Zodiac (2017), Orange/TKR (2021); in France, phase II cases include FNAC/Darty (2016), Cofigeo/William Saurin (2018) and Ardian/SPMR (2021). 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 an economic and testifying expert in several commercial litigations (before French and German commercial courts in particular) and international arbitration cases (under ICC, ICSID and LCIA), as well as in WTO cases. He is recognized as a Thought Leader in Competition Economics and an Arbitration Expert Witness by Who’s Who Legal.

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 a 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 an 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 a speaker at competition policy conferences. He is a Non-Governmental Advisor for the French competition authority in the International Competition Network.