Giacomo Rojas Elgueta is Of Counsel and Head of International Arbitration at Chiomenti, and Associate Professor of Private Law at Roma Tre University Law School. He is actively involved in commercial and investment arbitration as counsel, expert witness, and arbitrator. He has acted as sole arbitrator and co-arbitrator in several arbitration proceedings, both ad hoc and under the rules of the ICC, Swiss Arbitration Centre and Milan Chamber of Arbitration (CAM), with seat in different countries. He is Co-Director of the “Roma Tre – UNIDROIT Centre for Transnational Commercial Law and International Arbitration”, Co-Editor of the ICCA project “Does a Right to a Physical Hearing Exist in International Arbitration?”, Co-Chair of the Focus Group “Construction Arbitration” of the Italian Association for Arbitration, and past Co-Chair of ArbIt (the Italian Forum for Arbitration and ADR). A dual qualified lawyer (Rome and New York), he earned an LL.M. with distinction and an S.J.D. from the University of Pennsylvania, and he was a Visiting Scholar at Yale Law School. In 2023, he was appointed by the Italian Government to the ICSID Panel of Conciliators; in 2024, he was appointed as Italian delegate at the “ICC Global Commission on Arbitration and ADR”; in 2025, he was appointed as Member of the Panel of Arbitrators of the Singapore International Arbitration Centre (SIAC).