Resolving Disputes is both part art and part technique: a deep understanding of the case and the people involved strategic foresight and outstanding advocacy is what delivers good results.

Aline Wey Speirs is the head of our Dispute Resolution Team. Her main areas of practice are litigation and arbitration, with a focus on international commercial disputes, banking and fraud litigation. As a former substitute Judge she has also tried numerous cases in family law. Today she advises and represents clients through all stages of the dispute resolution process with a strategic approach and an eye for lasting solutions.

From her white collar crime practice she has deep experience in the recovery and protection of clients' assets, including coordinating multi-jurisdictional applications for provisional measures and freezing orders, obtaining orders recognizing and enforcing foreign judgments and awards, initiating insolvency proceedings and performing internal investigations.

In addition, Aline Wey Speirs also acts as a mediator and advises private clients in family law related matters.

Clients and peers describe Aline as an excellent lawyer – thoughtful, responsive, creative and efficient.


  • 2019 Partner at Altenburger
  • 2016 Counsel at CMS von Erlach Poncet Ltd, Zurich
  • 2014 Shadowing Wendy Harris QC, Melbourne, Australia
  • 2006 Associate at CMS von Erlach Henrici Ltd, Zurich
  • 2006 Substitute Judge at the District Court of Horgen (ad hoc)
  • 2002 Law clerk at the District Court of Horgen


  • 2024 Mediator SBA
  • 2023-2024 Mediation FSA (cand.)
  • 2015 Master of Laws (LL.M.), University of Melbourne, AU
  • 2005 Bar admission, Zurich
  • 2002 District Court of Horgen
  • 2002 lic. iur. HSG, University of St. Gallen

Bar / Court Admission

At all Swiss courts

Special Engagements


Legal 500 Dispute Resolution: Litigation


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Speaking Engagements

Speaking Engagements

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Full List of Publications

Further Publications

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