Christoph Jäger

Micha Bühler is a top attorney recognized by Best Lawyers in the practice area(s) of International Arbitration and Litigation. Micha, who practices law in Zürich, Switzerland, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Micha is held by other top lawyers in the same geographic and legal practice area.

Mark Reutter's practice focuses both on a comprehensive advising of clients who are active in the information and technology field and on the advising of other corporate and private clients in relation to technology, arts and entertainment, intellectual property as well as restructuring, insolvency and bankruptcy matters. Mark Reutter counsels Swiss and international clients and deals with the structuring, negotiation and implementation of projects and other commercial and contractual matters...

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

Ayesha Curmally is a partner at Walder Wyss. She is a notary in the canton of Basel-Stadt, a Certified Specialist SBA in Inheritance Law as well as a lawyer in the Private Clients team of Walder Wyss. Her main areas of practice include mariage and inheritance law, estate and succession planning, settlement of estates (including distribution), corporate and commercial law and real property law. Additionally to advising clients and notarising deeds in these fields of law, Ayesha Curmally notari...

Olivier Nicod is a partner at Walder Wyss. His expertise focuses mainly on corporate law and regulatory matters, in particular wealth management and money laundering issues. He regularly advises corporate clients in M&A transactions and in financial transactions as well as private clients in the succession and transfer of their businesses. He is involved in enforcement proceedings before the regulators and, in his fields of expertise, he also represents his clients in litigations. He is P...

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...

Philippe Mantel is an attorney-at-law, member of the Geneva bar Association (ODAGE), the International Fiscal Association (IFA) and the association of Business Lawyers (AIBL). Philippe gained his experience working for about 10 years in the corporate tax department of the big fours in Geneva, Lausanne and Zurich. As from 2015, he was an associate and since 2019 a partner of Meyerlustenberger Lachenal (MLL) in Geneva, assisting private individuals and corporate clients in all tax matters. Phil...

Reto Vonzun is a partner at Walder Wyss since 2014. His practice focuses mainly on corporate and commercial law, M&A, private equity and venture capital transactions. As co-author of the Zurich Commentary on the Simple Partnership (art. 530–551 CO) he is also recognized as one of Switzerland's leading scholars and practitioners in the area of partnership law. Finally, Reto Vonzun acts for various medium-sized and larger companies and their executive management as the 'point of first...

Carl Heggli is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates and Wealth Management Practice. Carl, who practices law in Geneva, Switzerland, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carl is held by other top lawyers in the same geographic and legal practice area.

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.