Hernán Martín Oriolo

Hernán Martín Oriolo — Partner. International Arbitration and Dispute Resolution.
Born in Buenos Aires on 22 December 1966.
Partner in charge of the international arbitration and dispute resolution practice. He has more than thirty years of experience in international commercial arbitration and complex litigation, with a particular focus on disputes arising in the energy industry, a sector in which he has practised for three decades.
He was proposed by the Permanent Court of Arbitration to serve as president of three arbitral tribunals in three different energy disputes and has served as co-arbitrator in an arbitration involving Banco de la Nación Argentina. He sits on the panel of arbitrators approved by the Centro Empresarial de Mediación y Arbitraje (CEMARC) of the Argentine Chamber of Commerce and Services, and accepts appointments as sole arbitrator, co-arbitrator and president of arbitral tribunals, in Spanish and English.
As counsel, he acts for sponsors, operators, contractors, offtakers and financial parties in disputes arising out of upstream and midstream contracts, EPC and infrastructure projects, power generation and supply, joint operating and shareholder arrangements, and regulatory intervention.
Education
Abogado, 1993. Training Programme for Young Lawyers, Escuela de Abogados de Buenos Aires, 1994. Pre-Master in Corporate Law, Universidad Austral, 1995. LL.M. in International and Comparative Law, Southern Methodist University (Dallas, Texas), 2000. Master’s degree and further postgraduate studies in energy law.
Institutional and academic roles
Director of the regional Supplement on Arbitration and Alternative Dispute Resolution of elDial, Editorial Albrematica S.A. Member of the Arbitration Commission of ICC Argentina; of the Arbitration Committee and the Dispute Resolution Committee of the International Bar Association; of the IBA Section on Energy, Environment, Natural Resources and Infrastructure Law (SEERIL); of the Buenos Aires City Bar Association and the San Isidro Bar Association. Lecturer on the interpretation of the ICC Arbitration Rules in the arbitration diploma programme organised by ICC Argentina, and a speaker at its activities. He contributed to the drafting of the Arbitration Rules of the National Chamber for Dispute Resolution of the Argentine Football Association, and led the firm’s team in the United Nations-led effort to study corporate legislation.
Recognition
Legal 500 describes him as “practice co-leader Hernán Martín Oriolo has over three decades of experience in the oil and gas sector, including handling complex arbitration” (Dispute Resolution: Litigation and Arbitration, Argentina). National Expert in Arbitration of the Latin American Corporate Counsel Association, awarded without interruption from 2014 to 2023. Recognised in arbitration by Who’s Who Legal 2023 and by the Global Law Experts 2023 Handbook in Dispute Resolution. Listed in Latin Lawyer 250.
Languages and contact
Spanish and English. oriolo@abeledogottheil.com.ar