Jean Jacques Ah Choon

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.

Sarah Busca Bonvin is a lawyer and tax expert specialised in both corporate and individual tax law. Together with M. Andrio Orler, she is responsible for CMS’ tax department in Geneva, which she joined in 2017. She worked for 15 years in the Geneva tax administration as Director of the tax affairs where she was responsible for tax rulings before being appointed Deputy Director-General in 2010. This experience has given her significant breadth and depth of knowledge and practice in many ...

Michel Abt is the co-head of the Tax Group and a member of the Banking & Finance Group. He advises both natural persons and legal entities such as banks, family offices and trusts, as well as investors and administrators whether in Switzerland or abroad, with a specific emphasis on asset holding structures. Since 2009, Michel Abt has been advising a large number of French clients in their regularization process and has assisted them with their tax optimisation. He thus addresses all tax m...

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.

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.

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...

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...

Patrick W. Vogel is a partner with Walder Wyss. He specializes in corporate law, as well as in banking and finance. He advises domestic and foreign companies on mergers and acquisitions and private equity transactions. With an education in both business and economics (HEC Lausanne) and law, he began his career by working for several years as an associate in the busy corporate finance departments of two pre-eminent US law firms in New York. Patrick Vogel has advised numerous clients on cross-b...

Jérôme Levrat specialises in corporate law, private equity, venture capital, M&A and commercial matters. He regularly advises funds and companies (including in the industrial, distribution, health care and life sciences, finance and energy sectors) in international and national M&A and private equity transactions, and routinely represents investors and start-ups in venture capital investments and financial rounds. Jérôme also has solid experience in regard to...

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...