Hansjürg Appenzeller

Peter Straub is counsel in the Litigation & Arbitration Team. He is specialised in complex international commercial disputes and represents parties in both state court litigations and before arbitral panels. His main areas are disputes stemming from telecommunications, pharmaceutical products, construction, joint ventures, commodities trading, high end consumer goods, shareholders' positions, post M&A, etc. Peter Straub is sitting as an arbitrator in international arbitrations (ICC, S...

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...

Partner Marjolaine Jakob is the head of our insolvency and restructuring team of CMS Zurich. Her practice focuses on national and international insolvency law and related litigation. She advises clients in connection with insolvency proceedings and represents their interests in related proceedings before the competent courts and authorities. Marjolaine Jakob has broad experience in advising companies in restructuring proceedings. Further, she is a proven specialist in international insolvency...

Jan Ole Luuk is counsel in the Tax Team. He is an indirect tax specialist with a focus on Swiss and EU value added tax (VAT) and related customs and excise matters. He speaks and publishes regularly in the field of indirect taxation. Born in 1971, Jan Ole Luuk was educated at the Free University Berlin (First State Law Exam 1996) and the University of London (LL.M. 1997). He continued his legal education at the Court of Appeal Berlin (Second State Law Exam 2000). He graduated as a Certified T...

Luc Defferrard, partner with Walder Wyss since 2001, has been active in the finance and legal industry for many years. He mainly advises clients in domestic and cross-border mergers & acquisitions, financing, restructuring as well as in real estate and capital market. Luc Defferrard particularly focuses on private equity and venture capital transactions. He is regularly recommended by Chambers, Legal500 and IFLR1000. Chambers Europe describes him as "always available" and "very strong neg...

As Chief Executive Officer, Christian Lyk is responsible for the operational management of KENDRIS and also holds the position of Responsible Officer FATCA. He has extensive experience in regulatory and compliance matters and specialises in providing cross-border financial, tax, estate planning and family office services to ultra-high net worth individuals (UHNWIs). Christian Lyk began his career in a law firm before joining one of the Big 4 where he held a managerial position in the field of...

Louise Lutz Sciamanna is a top attorney recognized by Best Lawyers in the practice area(s) of Wealth Management Practice. Louise Lutz, 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 Louise Lutz is held by other top lawyers in the same geographic and legal practice area.

Manuel Bigler is a managing associate in the firms’ practice area Intellectual Property (IP). He advises and represents clients in all aspects of IP law with a particular focus on trademark, patent and copyright law. His practice also includes unfair competition, media and advertising law. He regularly advises clients in negotiating IP and technology-related agreements, such as license agreements. Manuel Bigler is further specialized in representing clients in disputes before courts and...

Ingmar J.M. Snijders is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Ingmar J.M., 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 Ingmar J.M. is held by other top lawyers in the same geographic and legal practice area.

Christian Eichenberger is a partner in the real estate team. He focuses on real estate development, real estate transactions and real estate dispute resolution. In addition to his real estate transaction and real estate development experience, Christian Eichenberger also has extensive experience in real estate dispute resolution with particular expertise in the fields of construction law, planning and zoning law and landlord tenant law. He represents clients in both arbitration proceedings an...