Schellenberg Wittmer

Sebastiano Nessi is a Counsel in our International Arbitration Group in Geneva. Trained in both civil and common law, Sebastiano has advised and represented clients in numerous arbitrations, both ad hoc and under each of the major institutional rules. Sebastiano also sits as an arbitrator.

Expertise

Dispute Resolution International Arbitration Energy

Construction Sports

Experience

Has acted as counsel for Swiss and international clients (including states and state-owned entities) in a range of complex (commercial and investment) arbitrations, both ad hoc and under each of the major institutional rules, with seats in Geneva, London, New York, Paris, Singapore, Stockholm and Vienna
Has represented clients on a range of court applications before Swiss courts including the Swiss Supreme Court
Has advised clients on the structuring of their investment and states on the negotiation and drafting of trade and investment treaties
Has a broad range of expertise with a particular focus on energy, oil & gas, commodities, pharmaceuticals, sales and distribution, banking, aerospace, construction and sports disputes
Sits himself as an arbitrator

Career

Professional Experience

2020

Counsel at Schellenberg Wittmer

2015

Senior Associate at Schellenberg Wittmer

2013

Senior Associate at Allen & Overy LLP, Paris

2010

Associate in a major Swiss law firm in Geneva

Education and Admission

2015

Certificate of Advanced Studies in arbitration, University of Lucerne and University of Neuchâtel

2012

Arbitration Practitioner (ArbP) Diploma, Swiss Arbitration Academy

2009

LL.M., Columbia Law School, New York

2006

Bar Admission in Switzerland

2004

Master of Law, University of Geneva

Additional Professional Activities

International Chamber of Commerce (ICC YAF) Representative for Europe and Russia
Executive Member of the Global Steering Committee of the Chartered Institute of Arbitrators (CIArb YMG)
Lecturer on commercial and investment arbitration at the University of Paris I, Panthéon-Sorbonne and Sciences Po Law School

Recognitions

Who's Who Legal Future Leader in Arbitration (2018-2019)
LMG Expert Guides: Rising Star (Commercial Arbitration) 2019
Winner of the 2005 Geneva Bar Rhetoric Art Contest (Concours d'art oratoire Michel A. Nançoz)

Languages

French
English
German
Spanish

Selected Publications

Insolvency and Arbitration Price revision in long-term energy contracts: when is it possible to adjust prices or modify the terms of a long-term energy contract under Swiss law? The CJEU decision in Slovak Republic v Achmea: what opportunities for Switzerland? Les tribunaux spéciaux sont contraires au droit européen Expert Witness: Role and Independence

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Speaking Engagements

Sebastiano Nessi: Speaker at Moscow FIAMC Pre-Moot 2020 Conference Sebastiano Nessi: Lecturer at the Swiss Arbitration Academy Sebastiano Nessi: Keynote speaker at the ICC YAF conference