Mark John Barmes

Marco Villa is a partner with FBT and a member of its Corporate and Banking and Finance groups. He is a leading contract and commercial law expert and specializes in corporate and commercial law. He is a former professor on contract and tort law at the University of Lausanne.He advises individuals and companies of different sizes on domestic as well as cross-border legal issues, namely on banking and finance agreements, mergers and acquisitions, agency and distribution agreements and cooperat...

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...

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 ...

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...

Rayan Houdrouge advises and represents Swiss and multinational companies as well as international organizations on all employment law matters. He has an extensive experience in executive transfers, compensation packages, work regulations, internal audits and collective procedures such as business transfers and collective dismissals. Rayan Houdrouge is also an accredited social security expert (Swiss federal certificate) and regularly assists clients in matters related to social security and p...

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...

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.

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.

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...