Lukas Bopp

Practising law for more than 25 years, Amédée Kasser has acquired recognised experience in the legal field, whether involving civil, criminal or administrative proceedings. His practice enables him to assist companies and private individuals before the courts and authorities of all bodies as well as to negotiate contracts or transactions. His main fields of activity are in public law, construction, environment and energy law. He also takes on criminal defence mandates and has a ...

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...

Maurice Courvoisier advises and represents clients in arbitration and litigation proceedings in all areas of corporate and commercial law, including sales, distribution and licensing contracts, construction and civil engineering, joint ventures, and mergers and acquisitions. His areas of expertise include general contract law, private international law and international procedural law, as well as international judicial assistance and recognition and enforcement of foreign judgments and arbitr...

Partner & Certified Specialist SBA Construction and Real Estate Law Stefan Gerster is a partner with CMS Zurich since 2001. His practice focuses mainly on real estate law. He is the head of our internal practice group Real Estate & Construction. Among the clients of Stefan Gerster are Swiss and foreign institutional real estate investors, companies with corporate real estate matters and individuals. He provides advice in real estate transactions, including acquisition and financing as...

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

Martin Zobl is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law and Public Law. Martin, 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 Martin is held by other top lawyers in the same geographic and legal practice area.

Alexander Gutmans is a partner at Walder Wyss since 2014. He advises national and international clients in the fields of commercial and corporate law, mergers & acquisitions, private equity, venture capital and financings as well as in the field of health care and life sciences in contractual and regulatory matters. As a notary of the canton Basel-Stadt he accompanies his clients in commercial register and real estate register transactions as well as German notarisations. Alexander Gutman...

Maurus Winzap is a partner and heads the Tax Team. Maurus' practice covers all areas of domestic and international corporate taxation. He acts for a broad range of corporate and financial clients, and has developed significant expertise in planning and advising on M&A and private equity transactions, structured financings, corporate restructurings, relocations, capital market transactions, collective investment schemes and management incentive programs. Furthermore, he focuses on advice t...

Partner Reto Hunsperger acts as head of the insolvency and restructuring department at CMS Zurich.He specialises in litigation and arbitration. With this focus, he represents national and international companies and individuals before state courts and arbitral tribunals (under ICC Rules, Swiss Rules and CAS Rules), mainly in civil, enforcement and sport law matters. In addition, he serves as an arbitrator. A further focus of Reto Hunsperger lies in all sorts of domestic and international inso...

Dieter Hofmann heads the Litigation & Arbitration Team. His primary focus is dispute resolution in complex, mainly international cases, ranging from pre-litigation advice, representation of clients in court and in arbitration proceedings, coordination in cases involving multiple jurisdictions, enforcement of foreign judgments and arbitral awards and international legal assistance. He also sits as arbitrator in international arbitrations. Dieter Hofmann has considerable experience in compl...