Andrea Wuerzner

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.

Adriano Antonietti advises domestic and foreign banking and financial institutions, as well as collective investment schemes and asset managers on a wide range of matters, in particular regulatory issues, private placements, the drafting of banking contracts and certain tax related matters (FATCA, CRS). He also defends banks and their clients in a number of disputes and deals with all aspects of corporate and commercial law. His main fields include financial products and services, including r...

Jean-Luc Bochatay is the cofounder and the chairman of the FBT Attorneys-at-law. He has broad experience in tax, finance and corporate commercial issues regarding Swiss and foreign corporations and their shareholders. He regularly advises individuals and corporate clients on complex domestic and cross-border matters. Jean-Luc Bochatay has extensive experience in handling and coordinating multi-jurisdictional projects. He is considered as a leading expert in Swiss-French regulatory and tax mat...

Olivier Sigg is a partner in the Private Clients team as well as an experienced employment lawyer. He heads our Geneva office. He is known, both in Geneva and in London, where he worked for one year, as an expert in complex crossborder matters and is regularly instructed by foreign lawyers, in particular from common law jurisdictions. Olivier Sigg’s private client practice includes various estate-planning techniques. In particular, as a TEP expert, he specialises in trusts, foundations,...

Counsel Fabien Liégeois advises businesses (groups, banks and SMEs) and individuals on Swiss and international taxation matters.His practice focuses on restructurings (mergers and acquisitions, demergers or transfers of assets), cross-border transactions and setting up businesses in Switzerland. He also assists individuals in their relocation to Switzerland (wealth and inheritance planning), in particular in anticipating the legal and economic consequences of such decisions. He also de...

Nicolas Béguin is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Nicolas, who practices law in Geneva, Switzerland, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicolas is held by other top lawyers in the same geographic and legal practice area.

Expert in corporate tax law, international tax planning, mergers and acquisitions, as well as strategy and transfer pricing. Also acts as counsel in domestic and international tax criminal proceedings. Seats on the Board of directors of several companies. He has extensive experience in banking tax law, as well as in taxation of investment structures (investment funds and corporate holdings) and commodity trading companies.

Fouad Sayegh is a partner in the tax team. His expertise covers most aspects of domestic and international taxation. He regularly advises high net worth families in their relocation, wealth reorganization, asset protection, estate planning and charitable projects, which often includes tax advice in relation to trusts, private foundations and investment vehicles. In the field of corporate tax, his practice includes advising on M&A transactions, corporate reorganizations, double tax treaty ...

Diana Akikol represents our clients in complex commercial arbitrations and regularly sits as an arbitrator, often as president. She has been involved in more than 65 arbitrations seated in a number of jurisdictions and involving claims governed by various national laws. Her expertise extends to both institutional arbitrations (e.g. Swiss Rules, ICC, LCIA and DIS Rules) and ad hoc arbitrations (including UNCITRAL proceedings). Diana Akikol acts as counsel or arbitrator in all types of contract...

Pierre-Alain Guillaume is a tax partner with Walder Wyss. He specializes in Swiss and international taxation. His mission is to reduce our clients’ tax burden to the bare minimum and to prevent any tax risk at their level, while complying fully with applicable tax rules. He handles matters related to direct taxes (individual income tax, wealth tax, corporate income tax, capital tax) as well as to indirect taxes (VAT, withholding tax, gift tax and inheritance tax). He provides the follow...