Dr Marc Zimmerling


Marc is Head of Germany Disputes.

He represents clients in all types of national and cross-border disputes before state and arbitration courts. Marc regularly acts for national and international companies from the financial services, insurance, IT, retail and professional services sectors. He has extensive experience in complex commercial and corporate as well as insurance disputes. A particular focus of his work is on professional indemnity and directors' liability. Marc also advises on all D&O issues. Furthermore, he has broad experience in the area of risk prevention and risk management as well as in various fields of alternative dispute resolution.

Marc has repeatedly been named by Juve as frequently recommended lawyer for Commercial Litigation and Liability: Litigation, Arbitration/Mediation (esp. professional indemnity) and Corporate Litigation. Additionally, Legal 500 Germany 2014 describes him as "brilliant, always available" and gives "highly valuable" advice.

Published Work

  • Zimmerling M., Willemer C., Denecke A. (2019) "Handbuch Gesellschaftsrechtliche Streitigkeiten" (Corporate Litigation), Mehrbrey (Ed.), Carl Heymanns  Verlag, Köln,, 3. Aufl. 2019, Kapitel zu aktienrechtlicher Anfechtungsklage
  • Zimmerling M., Duborsky M. (2011) "Governance International" (Rechtsleitfaden für die Management Praxis), Rüdiger Theiselmann (Ed.), Schäffer-Poeschel Verlag Stuttgart, Chapter on Czech Republic
  • Zimmerling M. (1998) "Kapitalerhaltung und Konzernfinanzierung: Eine Untersuchung der kapitalerhaltungsrechtlichen Problematik aufsteigender Sicherheiten im Konzern" (Frankfurter Wirtschaftsrechtliche Studien), Peter Lang Verlag
He is an experienced and highly skilled lawyer. He is focused on litigation and knows how to litigate successfully. In difficult matters, he never loses patience and is calm in dealing with the matters.
Chambers Global 2024: Dispute Resolution – Germany
He is extremely reliable and always reachable.
Chambers Europe 2023/ Chambers Global 2023: Dispute Resolution


  • Frequently recommended, JUVE Handbook 2023/2024, Insurance litigation & dispute resolution: Litigation / Arbitration
  • Listed under The Best Lawyers in Germany 2023, Handelsblatt 2023: Dispute Resolution



Admitted as German Rechtsanwalt, 1997


Dr iur, Johann Wolfgang Goethe-University, Frankfurt, Germany, 1997

Second German Law Degree, 1997

First German Law Degree, 1992

A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.