Ernesto Féliz De Jesús draws on a blend of legal, technical and language skills to represent clients in public international law, including commercial arbitration and construction arbitration. As a multi-lingual attorney who practices in Spanish and English and is fluent in French, Ernesto is skilled in Latin American disputes. Clients in the 2025 edition of The Legal 500 Latin America describe him as "impeccable, clear and precise," and appreciate his "critical thinking and assertiveness in understanding aspects of technical complexity and his ease in presenting them to a highly specialised forum."
The Legal 500 Latin America recognized him as a "Leading Associate" in International Arbitration, 2024 & 2025. He was also named a "Rising Star" by The Legal 500 UK, Public International Law, 2022-2025; "One to Watch" by Best Lawyers UK, Administrative and Public Law (2023-2025) and in International Arbitration (2024-2025).
He has acted as counsel for private sector clients, for State-owned companies and for sovereign States in institutional and in ad hoc arbitrations (ICSID, UNCITRAL, ICC and CAM Santiago). He has also advised clients on the international and domestic legal protections available for transnational investments, on construction law and on numerous areas of public international law, such as maritime delimitation issues, the law of the sea, the law of state responsibility, the law of treaties and international humanitarian law.
Prior to joining Baker Botts in 2014, Ernesto was an associate at an international law and international arbitration boutique law firm in London. He was also a Judicial Fellow/University Trainee (2010-2011) at the International Court of Justice (ICJ), in The Hague, where he clerked for Judges Abdulqawi Ahmed Yusuf and Sir Christopher Greenwood. He is Civil-Law and Common-Law qualified, with a doctorate in public international law from the University of Oxford.
*Prior to joining Baker Botts
Recognised in The Legal 500 Latin America as a "Leading Associate" in International Arbitration, 2024, 2025 & 2026
Recognised in The Legal 500 UK, as a "Rising Star/Leading Associate" in Public International Law, 2022, 2023, 2024, 2025 & 2026
Recognized in Best Lawyers: Ones to Watch in Administrative and Public Law, 2023
Highlighted in Latin Lawyer 250, 2023