Marian Portero Cllado is a Director in Econ One’s International Arbitration Group, based in Florida USA, as an economic-financial expert, leading research studies in determining economic, financial, socioeconomic and environmental damages analyses. Marian has experience authoring expert forensic reports and testifying in international arbitration tribunals. International experience in leading and conducting complex investigations, due diligence, and developing case investigation frameworks and strategies supporting international arbitration cases. Based on her experience acquired in Accenture, Spain and the United States, in the sectors of FMCG, Infrastructure, Pharmaceutical, Telecom, Automotive, Construction, Financial Services and Insurance, Marian has participated in international projects in Eastern Europe, Africa and the Americas, providing economic, financial, socioeconomic and environmental forensic support services, including presentations as an expert witness in international arbitration tribunals.