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Global Leader

Corporate Tax - Advisory 2020

Professional Biography

WWL Ranking: Recommended

WWL says

Robert Desax is distinguished for his extensive experience of international tax planning and most notably for his deep understanding of double tax treaties.


Robert Desax is a partner in Walder Wyss’ tax team. He works in the fields of national and international taxation. He represents private and corporate clients in controversial tax matters and assists private clients regarding the tax aspects of their personal estate and wealth planning. He regularly advises on cross-border implications of international taxation, especially on the application of double tax treaties, on issues in connection with the refund of Swiss withholding taxes in international structures, on the Swiss tax treatment of trusts as well as on the redomiciliation of individuals and businesses to Switzerland. In addition, he also advises and represents clients on corporate tax matters, especially in negotiations with tax authorities during tax audits and regarding reorganizations. Robert Desax is a regular author of contributions for tax publications. He is a frequent speaker on tax matters and has been a panellist at IFA and IBA conferences.

Born in 1978, Robert Desax graduated from the University of Fribourg, Faculty of law, in 2002 (lic. iur. 2002 including special mention of a Bilingual Licentiate). In 2005 he passed the Zurich bar exam and obtained an LL.M. in international tax law from the Vienna University of Economics and Business in 2006. After that, he worked in the international tax department of one of the Big Four audit firms. In 2010 he earned the diploma as a Swiss certified tax expert. Prior to joining Walder Wyss in 2016, he was a Senior Associate in a large international law firm, where he had been a member of the tax team for more than five years. He is a member of the International Fiscal Association (IFA), of the International Bar Association (IBA), of EXPERTsuisse and of the Swiss/French Chamber of Commerce.

Robert Desax speaks French, German (as first and second native languages) and English. He is registered with the Zurich Bar and is admitted to practice in all Switzerland.
With around 240 legal experts, Walder Wyss is one of the most successful and fastest growing Swiss commercial law firms, with offices in Zurich, Geneva, Basel, Berne, Lausanne and Lugano. The firm specialises in corporate and commercial law, banking and finance, intellectual property and competition law, dispute resolution and tax law. Clients include national and international companies, publicly held corporations and family businesses as well as public law institutions and private clients.

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