LAWYER PROFILE
Sébastien Besson

Sébastien Besson

Global 2026

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Ranked in 3 practice areas

About

Provided by LKK Arbitration

Practice Areas

Sébastien Besson has acted as counsel, arbitrator and legal expert in more than 200 international and domestic arbitrations, in ad hoc proceedings and under a variety of institutional arbitration rules (including ICC, Swiss Rules, ICSID, LCIA, UNCITRAL, CAM and CAS rules). He also advises and represents parties in arbitration related court proceedings in Switzerland, including applications for the annulment, revision and enforcement of Swiss and foreign arbitral awards.

He has significant experience in cases relating to the banking and finance, oil and gas, construction, pharmaceuticals, automotive, aeronautics and sports industries, as well as in disputes relating to M&A transactions and arising from shareholders' agreements, and sales and distribution contracts.

Career

Partner, LKK Arbitration, since 2015

Part-time Professor, University of Neuchâtel, Switzerland, since 2012

Partner, Python & Peter, Geneva, 2006-2015

Invited Professor, Master of International Dispute Settlement (MIDS), since 2006

Associate, Python Schifferli Peter, Geneva, 2000-2006

Professional Memberships

International Council for Commercial Arbitration (ICCA)

Swiss Arbitration Association (ASA), Member of the Board

ICC Switzerland, Member of the Swiss Arbitration and ADR Commission

Swiss Chambers’ Arbitration Institution (now Swiss Arbitration Centre), Former Member of the Arbitration Court

London Court of International Arbitration (LCIA)

International Arbitration Institute (IAI)

International Bar Association (IBA)

Publications

Sébastien has published extensively on various topics in international arbitration, including the well-known book "Comparative Law of International Arbitration" (Sweet & Maxwell, 2007, co-authored with Prof. J.-F. Poudret). A full list of Sébastien's publications is available at https://lk-k.com/publications/.

Chambers Review

Provided by Chambers

Chambers Global Guide

Arbitrators - Switzerland

Band 1
Band 1

Individual Editorial

Sébastien Besson is a highly respected practitioner for his work acting as both counsel and arbitrator in a wide range of arbitrations, including sport, post-M&A and construction disputes.

Arbitration Counsel - Switzerland

Band 2
Band 2

Individual Editorial

Sébastien Besson is a highly respected practitioner for his work acting as both counsel and arbitrator in a wide range of arbitrations, including sport, post-M&A and construction disputes.

International Arbitration: Most In Demand Arbitrators - Europe-wide

Band 3
Band 3

Individual Editorial

Sébastien Besson of LKK Arbitration acts as both president and sole and co-arbitrator on construction and pharmaceutical disputes, with particular expertise in ICC rules.

Strengths

Provided by Chambers

  • Sébastien Besson is very articulate, persuasive and calm. He is a very impressive lawyer.

    ArbitratorsChambers Global Guide
  • Sébastien is a very experienced counsel and arbitrator with a great mind and strong interpersonal skills. He has deep knowledge of arbitrations, setting strategy and developing pragmatic solutions.

    ArbitratorsChambers Global Guide
  • It is always a pleasure to work with Sébastien. He is committed to the case and willing to go the extra mile to deliver top-quality service. He is a real go-to person in the Swiss legal market.

    ArbitratorsChambers Global Guide
  • Sébastien Besson is an experienced and sharp practitioner who is most pleasant to work with.

    ArbitratorsChambers Global Guide
  • Sébastien Besson is very well organised and convincing.

    ArbitratorsChambers Global Guide

Ranked Individuals at LKK Arbitration (12)

Africa-wide

  • Profile image of Gabrielle Kaufmann-Kohler
    Gabrielle Kaufmann-Kohler

    Dispute Resolution: Arbitrators

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Europe-wide

  • Profile image of Gabrielle Kaufmann-Kohler
    Gabrielle Kaufmann-Kohler

    International Arbitration: Most In Demand Arbitrators

    View profile
  • Profile image of Laurent Lévy
    Laurent Lévy

    International Arbitration: Most In Demand Arbitrators

    View profile
  • Profile image of Sébastien Besson
    Sébastien Besson

    International Arbitration: Most In Demand Arbitrators

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Global Market Leaders

  • Profile image of Gabrielle Kaufmann-Kohler
    Gabrielle Kaufmann-Kohler

    International Arbitration: Most In Demand Arbitrators

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  • Profile image of Laurent Lévy
    Laurent Lévy

    International Arbitration: Most In Demand Arbitrators

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  • Profile image of Gabrielle Kaufmann-Kohler
    Gabrielle Kaufmann-Kohler

    Public International Law: Most in Demand Arbitrators

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Latin America - International Counsel

  • Profile image of Gabrielle Kaufmann-Kohler
    Gabrielle Kaufmann-Kohler

    International Arbitration: Most In Demand Arbitrators

    View profile

Switzerland

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