Sébastien BESSON is a Partner at Python & Peter, a major Swiss law firm. He represents companies before arbitral tribunals and state courts in commercial disputes and serves as arbitrator. He has acted as chairman, party-appointed arbitrator, sole arbitrator, counsel or legal expert in numerous international arbitrations under the auspices of different arbitral institutions, and in various jurisdictions. He has also published extensively on arbitration, notably Comparative Law of International Arbitration (Sweet & Maxwell London, 2007) co-authored with Jean-François Poudret.