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Wenger & Vieli

Work +41 58 958 58 58
Zug, Zurich

Dr iur Michael Mráz

Work +41 58 958 58 58
Wenger & Vieli

Work Department

Compliance; Litigation & Arbitration; White-Collar Crime.


Michael Mráz specializes in the representation of clients in criminal and supervisory matters. His focus lies on white collar crime law, legal assistance in criminal and administrative matters and financial markets regulations (FINMA). Michael Mráz represents individuals and corporations involved in criminal proceedings as well as victims of criminal offences. In legal assistance matters, Michael Mráz advises on extradition proceedings and on the transmission of information to foreign authorities. Michael Mráz further assists clients in compliance and anti-corruption matters as well as in internal investigations.
Michael Mráz also represents clients in commercial matters before Swiss courts as well as national and international arbitration tribunals. He finally provides general advice to Swiss clients who have business operations in the Eastern European region as well as to foreign clients, especially from the Czech Republic, Russia and Ukraine.


2009-present, Partner at Wenger & Vieli; 2001-08, Lawyer at Wenger & Vieli; 2001-03, Research Fellow and Teaching Assistant at the University of Lucerne; 1999-2001, Junior Lawyer at Wenger & Vieli; 1997-99, Federal Office for Foreign Economic Affairs, Department 'Law and International Investments'; 1995-97, Assistant at the Institute for Public International Law of the University of Zurich (Prof Thürer).


German, English, French, Russian and Czech.


Swiss Bar Association (SAV); Zurich Bar Association (ZAV); Swiss Arbitration Association (ASA).


2015, Certified Specialist SBA Criminal Law; 2002, University of Zurich (Dr. iur.); 2001, Admission to the Bar; 1995, University of Zurich (lic. iur.).

Switzerland: Dispute resolution


Within: Arbitration

Wenger & Vieli has its ‘special strengths in international commercial arbitration’ and ‘a healthy balance between partners and young, skilled associates’. The group is particularly experienced in arbitral matters in the energy sector and relating to joint ventures as well as telecommunication and construction projects. ‘Down-to-earth arbitratorUrs Weber-Stecher, who is ‘well-liked for his balanced approach and efficiency’, as well as ‘highly professional and outstanding academicDaniel Girsberger and the ‘very analyticalMichael Mráz are recommended.

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Within: Litigation

Wenger & Vielihas a very pragmatic, cost-sensitive approach’ and ‘provides high-value services’. The group predominantly focuses on litigious banking, commercial and white-collar crime matters, but the service offering also includes expertise in contentious liability, employment and private client matters. Head of litigation Marco Cereghettiworks fast and exact’. Peter Altorfer, Michael Huber and Michael Mráz are other notable practitioners.

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Legal Developments by:
Wenger & Vieli

  • Swiss Capital Contribution Principle

    As per 1 January 2011 a new regulation in the Swiss tax law concerning the tax treatment of the repayment of capital contributions enters into force. According to the new rules the repayment of capital contributions is exempt from Swiss income tax (if the shares are owned as private means) and Swiss withholding tax.
    - Wenger & Vieli

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