Maja Bauer-Balmelli

Daniel Staffelbach is a partner in the Corporate & Commercial Team of Walder Wyss. He counsels Swiss and international clients in all sectors of health care & life sciences and in the insurance industry. His main areas of practice include company and contract law, public law and employment law. He advises his clients and also represents them in litigation. Born in 1966, Daniel Staffelbach studied law at the University of Berne (attorney 1993). He worked at the Administrative Law Panel...

Daniel Jenny is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Daniel, who practices law in Zürich, Switzerland, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel is held by other top lawyers in the same geographic and legal practice area.

Partner Dirk Spacek is partner and in charge of the practice groups TMC and IP. He primarily deals with new business models arising in the media-, internet- and technology(IT)-sector, data protection and intellectual property law. Dirk Spacek mainly advises clients from the media, technology, industry and financial services sectors on technology-related legal matters, in particular IT-contract law, outsourcing, data protection, Internet of Things (IoT), patent research and compatibility coope...

Urs P. Gnos heads the Transaction Team. His practice focuses on international and domestic mergers & acquisitions, private equity, venture capital and capital market transactions, commercial and corporate law as well as public tender offers and buy-outs. Urs P. Gnos also advises companies with respect to corporate governance matters, stock exchange regulations, corporate reorganizations and restructurings, incl. relocations. Urs P. Gnos is a member of various board of directors, among oth...

Oliver M. Kunz is a partner at Walder Wyss and is specialized in litigation in civil and criminal matters. He provides advice to parties in domestic and international commercial disputes, and represents them in trial and appellate proceedings as well as in enforcement proceedings and in international legal assistance matters. Oliver’s litigation practice covers a broad range of sectors, with a particular emphasis on the financial industry and technology-intensive sectors. In addition, h...

Fabienne Limacher is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Fabienne, who practices law in Zürich, Switzerland, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Fabienne is held by other top lawyers in the same geographic and legal practice area.

Irène Suter-Sieber is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Irène, who practices law in Zürich, Switzerland, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Irène is held by other top lawyers in the same geographic and legal practice area.

David Vasella is a partner on the Information Technology, Intellectual Property and Competition team. He is the co-head of the Regulated Markets, Competition, Technology & IP team, together with Hans Rudolf Trüeb. He advises and represents Swiss and international companies in all industries and at all stages of growth on questions concerning data and technology law. He specialises in data use, negotiating data-related contracts, data security issues, cloud projects and IT contracts a...

Hans Rudolf Trüeb is a partner of Walder Wyss. He is the co-head of the Regulated Markets, Competition, Technology & IP team, together with David Vasella. He advises Swiss and international clients as well as public entities in corporate and technology-related transactions and with regard to compliance and governance issues. Inter alia, he handles technology transfer, licensing, distribution, joint venture and outsourcing projects as well as corporate transactions. He is often retain...

Markus Pfenninger is a partner in the Transactions Team. His fields of expertise include capital market transactions, mergers & acquisitions, finance, restructurings, collective investment schemes as well as banking and insurance regulatory matters. He is a member of the International Bar Association’s (IBA) Task Force on the Financial Crisis and a past chair of the IBA’s Subcommittee on Legal Opinions as well as a past co-chair of the IBA’s Banking Law Committee. Born i...