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Born 1952, Geneva, Switzerland 

Nationalities Swiss, Irish 

Languages French, English, passive German and Italian



1988  Admitted as conseil juridique in Paris 

1981 Admitted to the New York Bar 

1977 Admitted to the Bar of Geneva (and Swiss Supreme Court) 


2023 to date  Tschanz Arbitration, Geneva  full-time practice as an independent arbitrator 1989 – 2022 Partner Tavernier Tschanz, Geneva full-time practice of international arbitration as counsel and arbitrator |

1986 – 1988 Counsel White & Case, Paris  full-time practice of international arbitration as counsel and arbitrator | 1983 – 1985 Associate White & Case, New York full-time practice of international arbitration as counsel and arbitrator | 1980 – 1983 Associate  Lalive & Budin, Geneva full-time practice of international arbitration as assisting counsel and secretary of arbitral tribunals 1978 – 1980 Foreign associate Curtis, Mallet-Prevost, Colt & Mosle, New York U.S. litigation and general international practice, including arbitration | 

1975 – 1977 Trainee Lalive & Budin, Geneva general practice, including arbitration 



1975 Licence en droit degree, Geneva University Law School

1972 Maturité classique, College Calvin, Geneva


Pierre-Yves Tschanz has been counsel of record in approximately 90 international arbitrations seated in Switzerland. In approximately half of them he was the lead counsel. The latter included several arbitrations with amounts in dispute exceeding a billion dollars.

In parallel to his activity as counsel, Mr Tschanz has been acting as an arbitrator in international arbitrations seated in New York, London, Paris, Stockholm, Vienna, The Hague, Sidney, Warsaw, Bucharest, Athens, Geneva, Zurich and Lugano. Among them, he has been the presiding arbitrator in more than 50 cases, sole arbitrator in over 25, and co-arbitrator in over 40. These cases included investment treaty arbitrations, six of which were ICSID disputes, and one was administered by the Permanent Court of Arbitration. 

Mr Tschanz also authored writings on international arbitration law, on which the Swiss Federal Supreme Court has relied in numerous cases.


Swiss Arbitration Association; Geneva Bar Association; International Bar Association; Arbitration Ireland; Société suisse des juristes. 

Designated by Switzerland to the ICSID panel of arbitrators (until February 2021).

Curriculum Vitae

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