Wenger Vieli Ltd

Litigation and Arbitration; Internal and Regulatory Investigations; Labor and Employment Law; Data Protection; White Collar Crime

Peter Hafner specializes in leading civil litigation in commercial and economic law cases. The focus of his work lies in representing the interests of companies from the finance and trade sectors in proceedings before state courts and arbitration tribunals, as well as in advising and safeguarding interests in contentious disputes between companies and their employees.  

Peter Hafner is ranked among the leading litigation lawyers in Switzerland by Chambers, The Legal 500, and Who's Who Legal.

"Effectively representing a party in contentious cases requires good communication, knowledge of the facts of the case, prudent litigation management, and strong negotiation skills. Therefore, the role of a litigation lawyer is extremely diverse and exciting."

Since 2024, Partner at Wenger Vieli Ltd.; 2006-2013, Partner at Wartmann Merker Ltd.; 2005, Partner at Eschmann & Erni; 2002-2004, Partner at Lenz & Staehelin; 1998-2001, Attorney at law at Lenz & Staehelin; 1997-1998, Associate at Sullivan & Cromwell LLP, New York;  1994-1996, Attorney at law at Lenz & Staehelin; 1993-1994, Research Assistant at the University of Zurich with Prof. Dr. Walter R. Schluep;  1991-1992, Junior Lawyer at Lenz & Staehelin.

German, English and French.

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

1998, Admission to the Bar in New York;  1997, University of Michigan Law School (LL.M.); 1994, University of Zurich (Dr. iur.); 1993, Admission to the Bar; 1991-1992, University of Zurich (lic. iur.).