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Switzerland - Arbitration

Professional Biography

WWL Ranking: Recommended

WWL says

Manuel Arroyo is well respected by peers who commend his considerable experience as both arbitrator and counsel in construction, oil and gas, and pharmaceutical disputes.


Manuel Arroyo is a partner at Nater Dallafior, one of Switzerland's leading dispute resolution firms.

Manuel is a full-time arbitration practitioner and has acted in some 100 international commercial arbitrations as counsel or arbitrator. His areas of specialisation include construction, oil and gas, pharmaceuticals, sales, automotive, transport, infrastructure, engineering, agency, and distribution.

A former law clerk to the Swiss Federal Supreme Court, where he was involved in 124 commercial cases, he also regularly represents parties before the Supreme Court in setting aside proceedings.

Manuel is the sole editor and co-author of the most comprehensive treatise on arbitration in Switzerland, Arbitration in Switzerland – The Practitioner's Guide (2,957 pages; second edition; two volumes; Kluwer Wolters, 2018). He is also the author of 50 further publications, and has spoken at 26 international arbitration conferences.

According to The Legal 500 (2016–2018), Manuel “has impressive analytical skills and a deep knowledge of arbitration law”, and is “a very diligent, professional and seasoned arbitrator” as well as “skilled and proactive”. SchiedsVZ (2015) also calls him an “international arbitration expert”. The 2017 edition of WWL notes that he is “highly commended by peers for his capability as a counsel in a range of international arbitration proceedings”, while the 2018 edition states that he is ‘“outstanding” and capable of doing “a great job as arbitrator” according to sources, who commend his “sophisticated approach”.

After completing his law studies at the University of Basel (Dr iur/lic iur, both magna cum laude), Manuel was admitted to the Basel/Swiss Bar in 2002. He holds an LLM in international commercial arbitration law from Stockholm University, where he graduated with the highest honours. He is fluent in five languages: German and Spanish (native), English (main working language), Italian and French.

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