Carmen was previously a partner in the international arbitration group of a leading international firm. She has appeared as advocate in numerous investment treaty and commercial arbitrations, both under the rules of the major arbitral institutions and ad hoc, and involving a variety of jurisdictions, with a particular focus on Latin America and Spain.

Her career highlights include the multi-billion dollars win for Occidental in its ICSID dispute with Ecuador (named by Global Arbitration Review the “Most Important Award” of 2012), and successfully representing major international oil and gas companies in a variety of complex disputes relating to production-sharing agreements, joint operating agreements, transportation agreements, and shareholders agreements in various jurisdictions. Carmen is dual-qualified in civil law and common law, and regularly handles contentious work in English, Spanish, and French. She is admitted to the New York and Madrid Bar, in addition to being a Registered European Lawyer of the Law Society of England and Wales. Carmen holds law degrees from Columbia Law School, the College of Europe and the University of Murcia.