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Marc-Etienne-Sébire VDEF
Partner

Marc-Etienne Sébire

Global Co-Head of the CMS Banking & Finance Group

Languages
  • English
  • French
Social media

Marc-Etienne Sébire joined CMS Francis Lefebvre in 2011 and became a partner in 2014. 

He established our Capital Markets practice in France and is involved in Debt Capital Markets, Equity Capital Markets and Derivatives. 

He acts for issuers and financial institutions on all types of capital markets transactions (more than €150 billion financed since 2011): spanning Eurobonds, EMTN programmes, hybrid securities, Commercial Paper, covered bonds, Euro PPs, green bonds, social bonds, sustainability-linked bonds, and liability management transactions. 

Marc-Etienne Sébire has also extensive experience in derivatives, advising on their documentation (ISDA, FBF, etc.) and on regulatory aspects (EMIR, etc.). 

He is regularly consulted by government authorities and professional associations on capital market matters.

Awards & Recognitions
01
  • Award
    Capital markets: Debt capital markets - Leading partner
    Legal 500 EMEA 2025
  • Award
    Marchés de capitaux : Obligations - Les grands avocats du marché
    Legal 500 Paris 2025
  • Award
    Capital Markets: Debt - Band 2
    Chambers Global 2025
  • Award
    Capital Market: Debt - Band 2
    Chambers France 2025
  • Award
    Capital markets: Debt capital markets - Leading individuals
    Legal 500 EMEA 2025
  • Award
    Marchés de capitaux : Obligations - Les grands avocats du marché
    Legal 500 Paris 2024
  • Award
    Capital Market: Debt - Band 2
    Chambers Europe 2024
  • Award
    Capital markets: Debt capital markets - Leading individuals
    Legal 500 EMEA 2025
  • Award
    Marchés de capitaux : Obligations - Les grands avocats du marché
    Legal 500 Paris 2023
  • Award
    Capital Markets: Debt - Band 2
    Chambers Global 2023
  • Award
    Capital Market: Debt - Band 2
    Chambers Europe 2023
  • Award
    Banking and Finance Law, Capital Markets Law, Debt and Equity - Best Lawyer since 2018
    Best Lawyers

Publications

  • Titre obligataire et émission d'obligations, Etude Joly Bourse/Lextenso (Every year since 2020)
  • Mémento Sociétés Commerciales, Editions Francis Lefebvre, co-author (Every year since 2018)
  • Debt capital markets in France: regulatory overview, Practical Law (January 2025)
  • Les obligations vertes européennes (EuGB) : vers une norme de référence pour la finance durable ?, Bulletin Joly Bourse, co-author (April 2024)
  • The attractiveness of French law to govern debt securities, Paris Europlace Report, Chair of the working group (May 2022)

Memberships & Roles

  • Global Co-Head of Banking & Finance at CMS
  • Chair of the French Regional Committee of the International Capital Market Association (ICMA)
  • Chair of the Euro PP Committee

Education

  • Solicitor, England & Wales (2007)
  • CAPA (certificate of aptitude for the legal profession) (1999)
  • DESS (Diplôme d’études supérieures spécialisées) in law and economics of banking and financial markets, Université de Caen (1997)
  • Master’s degree in business law, Université de Caen (1996)

Further reading

  • Euro PP Observatory – Septembre 2021

  • CMS introduces Private Placements online Questionnaire

  • Marchés de Capitaux

Insights by Marc-Etienne

Chambers & Partners Global 2026

12 Feb 2026 1 min read

Chambers and Partners France 2026

05 Feb 2026 2 min read

€600 million bond issue and tender offer of Imery

05 Dec 2025 1 min read

US private placement for Fagron: CMS and Morgan Lewis advise PGIM on the deal

02 Dec 2025 2 min read
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