Rubeli Guy-Philippe

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,...

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

Jamar E. Brown joins the Dispute Resolution and Private Clients groups in the Geneva office. In the dispute resolution field, Jamar represents international organisations in employment disputes before specialised administrative tribunals, including the Administrative Tribunal of the International Labour Organization. He is also a trusted advisor on internal investigations, disciplinary matters, and appeals before internal review bodies. In his private client work, Jamar specialises in regulat...

Alexandre Richa is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Corporate Law and Regulatory Practice. Alexandre, who practices law in Geneva, Switzerland, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alexandre is held by other top lawyers in the same geographic and legal practice area.

Hubertus Hillerström is a partner in the Banking & Finance Team. He is specialised in national and international financings and mergers & acquisitions, including structured finance as well as private equity and venture capital transactions. He has accompanied numerous commodities and trade finance operations (oil and gas, metals and soft commodities) and follows closely the legislative changes in this field. Hubertus Hillerström also specialises in real estate transactions a...

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...

Rodolphe Gautier heads the Dispute Resolution practice of Geneva. He has more than 15 years of experience working in litigation and arbitration. His practice focuses on commercial and banking disputes in Switzerland and international arbitration involving Swiss-connected parties, assets, substantive law or seats of arbitration. He frequently acts for multinationals, domestic companies and individuals before civil and criminal courts and arbitral tribunals. His practice also includes applicati...

Partner Sidonie Morvan has 20-years experience in real estate law with a wealth of expertise in construction law, having expedited developments in both the private (real estate transactions, brokerages, contracts for architects and builders, and leases) and public (planning and construction permits) sectors. Ms Morvan regularly advises developers, architects, real-estate agents, general contractors and property owners on the day-to-day management of their businesses, and can represent them be...

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...

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