Sebastiano Nessi is a counsel in Schellenberg Wittmer's International Arbitration Group in Geneva. Sebastiano's clients and cases have spanned most continents, including Europe, Asia, South America and Africa. He has handled arbitrations under the rules of the CEPANI, CIETAC, ICC, ICSID, LCIA, UNCITRAL, SCC, SCAI and before the PCA. He has represented states, state-owned entities and private companies in complex multi-jurisdictional disputes across a wide range of sectors with a particular focus on energy, infrastructures, commodities, pharmaceuticals, joint ventures, aerospace, sports and construction disputes. Sebastiano has also acted as counsel in several very high profile investment treaty cases, advised clients on the structuring of their investments, as well as states on the negotiation and drafting of trade and investment treaties. Sebastiano also regularly sits as arbitrator. Although Swiss-qualified, Sebastiano is trained in both civil and common law. He graduated from the University of Geneva in 2004 (summa cum laude) and was admitted to the bar in Switzerland in 2006 (with honors). In 2009, he earned a Master of Laws (LL.M). from Columbia Law School (New York). In 2015, he obtained the CAS in arbitration jointly offered by the Universities of Lucerne and Neuchâtel. Sebastiano has written widely on arbitration. He has authored / co-authored more than 40 publications in the field of arbitration (including book chapters, publications in specialised journals and blogs, as well as articles in leading newspapers and agazines). He is also regularly invited to speak at conferences and seminars. Sebastiano taught during several years commercial and investment arbitration at the University of Paris I, Panthéon-Sorbonne, where he was in charge of the one-year course on international arbitration (Master 2 contentieux des affaires). He is also a visiting lecturer at the Swiss Arbitration Academy, the Ukrainian Arbitration ssociation's Arbitration School and Sciences Po Law School in Paris. Sebastiano was recently appointed Representative for Europe and Russia by the International Chamber of Commerce (ICC) (Young Arbitrators Forum) (ICC YAF), and Executive Member of the Global Steering Committee of the Chartered Institute of Arbitrators (CIArb) Young Members Group (CIArb YMG). Sebastiano, who is recognised by the major directories, was ranked as 3rd Most Highly Regarded Practitioner in Europe (Future Leaders) by Who’s Who Legal Arbitration 2020.