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Pierre-Yves Tschanz


Pierre-Yves Tschanz acts as counsel before arbitral tribunals and as arbitrator. He also assists parties in the pre-arbitration phase. 


Partner, Tavernier Tschanz, Geneva (since 1989)

Counsel, White & Case, Paris (1986-1988)

Associate, White & Case, New-York (1983-1986)

Associate, Lalive & Budin, Geneva (1980-1983)

Foreign associate, Curtis, Mallet-Prevost, Colt & Mosle, New York (1978-1980)

Trainee, Lalive & Budin, Geneva (1975-1977)

Bar admission

Geneva Bar (1977) – admitted to all Swiss courts

New York Bar (1981)

Conseil juridique in Paris (1988)


Master of Law, University of Geneva (1975)


Bilingual French and English; passive knowledge of German and Italian

Deals and cases

Pierre-Yves Tschanz has acted as counsel and arbitrator in well over 200 arbitration cases around the world under most major arbitration rules

His cases have focused on transactions such as M&A, joint ventures, foreign investment, state contracts and license agreements. His industry experience includes pharmaceutical, IT, construction, and all aspects of oil and gas

In addition to Swiss law, Pierre-Yves Tschanz has a good command of the laws of New York and France, both substantive and procedural


Pierre-Yves Tschanz presided a gas price revision arbitration which issued a "landmark decision in legal and economic terms […] a thoroughly reasoned text, crafted by an eminent panel" GAR, 14 February 2020

"Absolutely outstanding" was how one client summed up Pierre-Yves Tschanz. Peers applaud his ability to bridge the divide between common and civil law Chambers Global (Arbitration), 2006

Pierre-Yves Tschanz is a "meticulous and technically impressive practitioner" who regularly acts in high-value arbitration Chambers Global and Chambers Europe (Arbitration), 2008

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Geneva and Swiss Arbitration Associations

International Bar Association

Arbitration Ireland (member of the International Advisory Board)

Société Suisse des Juristes