Marina Joos Castelli

Marina Joos Castelli

MLaw, Attorney at Law

Place Saint-François 1
CH-1002 Lausanne

Tel +41 58 200 33 00

Fax +41 58 200 33 11


Marianne Lavanchy

Marina Joos Castelli has in-depth experience and expertise in corporate, commercial and contract law. She regularly advises clients on a broad range of commercial transactions, including mergers & acquisitions, joint ventures, corporate restructurings, intragroup and start-up financings, shareholders’ agreements, services and distributorship agreements, as well as on corporate governance matters. Her areas of practice also include financial and capital markets law.

Practice areas
  • Advises companies in sale, acquisition and restructuring processes
  • Advises companies and start-ups on intragroup corporate financings and in financing rounds
  • Provides practical legal advice to corporate clients in respect of contract and company law matters
Practice groups
  • M&A, capital markets and corporate
  • Financial services
  • 2011: Admitted to the bar
  • 2009: MLaw (summa cum laude), valedictorian, University of Geneva
  • 2008: Harvard Law School, merit-based academic exchange program (Geneva University candidate), and merit-based award of the Ernest-Boninchi Scholarship
  • 2008: Certificate in Transnational Law (summa cum laude), University of Geneva
  • 2008: BLaw (magna cum laude), University of Geneva
  • 2006-2007: University of Lucerne, academic exchange program
Experience / Career
  • since 2017: Senior Associate at Kellerhals Carrard 
  • since 2015: Attorney at Law at Kellerhals Carrard
  • 2012-2015: Attorney at Law at Lalive, Geneva
  • 2009-2011: Attorney at Law trainee at Lenz & Staehelin (corporate and M&A team), Geneva
  • 2008: Summer trainee at Lenz & Staehelin (corporate and M&A team), Geneva
  • English
  • French
  • Spanish
  • German
  • Italian
  • Swiss Bar Federation (FSA)
  • Bar Association of the Vaud Canton(OAV)
  • Young Bar Association of the Vaud Canton
Further activities
  • External legal expert at the University of Geneva for the oral exams relating to the HEC Master in Management Lecture on Advance Studies in Contract Law (2014)
  • Co-founder and former Chair of the Globalaw Bankruptcy & Insolvency Group (2013-2014)
  • Completion of the merit-based Globalaw Associate Leadership Programme (2013)
Publications and presentations
  • Révision et modernisation du droit de la société anonyme suisse, in collaboration with Jean-Luc Chenaux, in Revue pratique des sociétés - Tijdschrift voor Rechtspersoon en Vennootschap (TRV-RPS), n° 2017/6 of October 1, 2017, p. 677

  • Speaker at the EPFL start-up seminar of June 12, 2016 «Chunhui Cup Competition Introduction Seminar», presentation on «Financing Rounds: Do’s and Don’ts for First-Time Entrepreneurs»

  • World Bank Doing Business 2015 Report, local legal expert for the World bank and primary contributor to the Swiss Chapters on Starting a Business, Protecting Minority Investors and Enforcing contracts, 12th Edition

  • Switzerland is reviewing its judicial system in relation to mass claims, Marina Joos, in IBA International Litigation News, May 2014, p. 59-62 (2014)

  • Vers une “class action” helvétique?, Marina Joos, in revue de l’avocat 11-12/2013 (SAV/FSA), p. 487-493

  • The protection of Financial Investors: the Road to a Collective Redress Mechanism in Switzerland?, Marina Joos/Sandrine Giroud, in Terralex News, July 2013

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