Chiomenti

Of Counsel - Arbitration

Giacomo assists Italian and foreign clients in international and domestic arbitration proceedings with a particular focus on construction, international commercial contracts, Oil & Gas, renewables, corporate and post-M&A disputes. He has gained significant experience in investment arbitration, as well. He assists clients in all the steps and strategic decisions involved in an arbitration, from the drafting of the arbitration agreement to the recognition and enforcement of foreign awards, building his broad experience upon a deep knowledge of substantive law. He frequently acts as arbitrator in ad hoc and administered arbitrations, both domestic and international, with seat in different jurisdictions and under a wide variety of rules (including ICC, Milan Chamber of Arbitration, Swiss Arbitration Centre) and applicable laws. He has been appointed as expert by the Italian Republic in several investment arbitration proceedings under the rules of ICSID and SCC, and by multinational corporations before U.S. federal courts and the courts of England and Wales. He assists Italian and foreign clients on Private and Commercial Law matters before Italian State courts, and he is often requested to provide advice on international commercial contracts and to render legal opinions.

Giacomo Rojas Elgueta joined the Firm as of Counsel in 2022. Since 2024, he is Head of the "International Arbitration" Practice Area.

Italian, English, Spanish

Member of the Rome Bar (Italy), 2004; Admitted to New York State Bar, 2010; Admitted to Practice before the Supreme Court, Italy, 2019;

In 2022, he has been appointed as Member of the “List of Candidates Suitable for Appointment as Arbitrators in bilateral disputes under trade agreements with third countries” by the European Commission; in 2023 he has been designated by the Italian Government as Member of the “Panel of Conciliators” at the International Centre for Settlement of Investment Disputes (ICSID); in 2024, he has been appointed as Member of the Guarantee Board of the Italian National Olympic Committee - CONI and as Italian delegate at the “ICC Global Commission on Arbitration and ADR”; in 2025, he has been appointed as Member of the Panel of Arbitrators of the Singapore International Arbitration Centre (SIAC).

Law Degree, Università degli Studi Roma Tre, (Italy), 2001; Ph.D, Italian and European civil law, Università degli Studi Roma Tre, (Italy), 2005; LL.M., University of Pennsylvania Carey Law School, (US), 2008; Ph.D, Doctor of Juridical Science, University of Pennsylvania Carey Law School,  (US), 2014.