TADIR Dispute Resolution is a law firm specialized in international arbitration and dispute resolution.

Our team has participated in international arbitrations under UNCITRAL, ICC, and ICSID rules, representing high-profile companies in international investment and commercial arbitrations. TADIR also specializes in other alternative dispute resolution methods, including mediation.

TADIR's main objective is to provide an excellent and personalized service focused exclusively on the resolution of our clients' disputes.

TADIR does not have other areas of practice, ensuring that one hundred percent of our attention is focused on our clients' disputes. By putting together teams strategically for each case, and because it is a firm based in Ecuador, TADIR is able to provide solutions that are cost-efficient and are competitive both nationally and internationally.



David Toscano

Founding Partner


David Toscano is an international arbitration practitioner with experience in high profile cases under ICSID, ICC and UNCITRAL rules. David currently acts as counsel representing major foreign companies in international arbitrations in commercial and investment disputes under UNCITRAL Rules. Previously, David worked in the Washington D.C. office of an important international law firm, and also acted as leader in the International Arbitration Department in one of the most prestigious law firms in Ecuador and the region.

David acts as Professor at Universidad San Francisco de Quito Law School, teaching courses in Oral Advocacy, Private International Law, and Contracts. He also acts as a visiting professor in the Master of International Arbitration.

David regularly participates as a speaker at important local and international conferences and is a member of the Raising Arbitrators Initiative of the Ecuadorian Arbitration Institute, the ICC Young Arbitration Forum (ICC YAF), and the LCIA Young International Arbitration Group (YIAG).


David has a Master in Corporate Law from the University of Cambridge (UK) and a Master in European Union Competition Law from King’s College London (UK). David obtained his law degree from Universidad San Francisco de Quito, where he also obtained a B.A. in International Relations.

Gabriela Ortega



Gabriela focuses her practice on litigation and dispute resolution. Previously, she worked in the litigation department of a firm with a large presence in the south provinces of Ecuador.

Gabriela has acted in complex litigation, advocating for clients in civil matters, administrative litigation, and fiduciary law. She has experience in contractual liability disputes and determination of damages. She has participated as an external lawyer representing the State in Oil & Gas projects, both in respect to liability and damages. She has acted as an external consultant advising clients in controversies that are heard before the courts of the State of New York.

Gabriela has been a speaker at several local conferences on arbitration and procedural law. She has also acted as coach for the arbitration team of the University of Azuay, in several national and international competitions.


Gabriela is a graduate of the Master's Degree in Procedural Law from the Universidad Andina Simón Bolivar. She is also a specialist in Procedural Law from the same University and obtained her law degree from the University of Azuay.

Adriana Rodas



Adriana is a professional who combines her practice in dispute resolution and corporate law together with human rights and constitutional law. Previously, she served as an advisor to the Constitutional Court of Ecuador.

Adriana has worked on complex cases related mainly to telecommunications, human rights, and prior and pre-legislative consultation in relation to the execution of mining and hydrocarbon activities. Additionally, she has experience in Competition Law, Insurance Law, and International Law.

Adriana is an editor and founding member of the USFQ Law Working Papers. In addition, she is a research assistant for the Constitutional Reasoning for Latin America project. She also acted as a consultant to the Konrad Adenauer Foundation in its research project related to Latin American Comparative Constitutional Law. In 2019, she was a member of the International Society of Public Law (ICON-S), and she is currently a member of the Committee for the Research and Promotion of Humanitarian Studies. Adriana has participated in national and international presentations on the right to consultation, constitutional justice, and Public Law.


Adriana is a lawyer from Universidad San Francisco de Quito and has a minor in Political Science from the same university.

Sebastián Arrieta



Sebastián is a professional who combines his practice in dispute resolution with his broad experience in Administrative and Corporate Law. Previously, he worked as an in-house lawyer for one of largest pharmaceutical companies in the Ecuadorian market.

Sebastián has experience in both private and public law but has focused his practice in advising pharmaceutical companies during their public contracting procedures with the State, as well as looking after their interests during their contractual or negotiation processes, managed their intellectual property portfolio and attending meetings on their representation before public institutions.

Sebastián has published on topics related to International Law and political analysis, both in academic journals and digital media. Furthermore, he has participated as Chief Editor in the latest publications of the Ecuadorian Institute of Procedural Law (IEDP).


Sebastián is a lawyer from Universidad San Francisco de Quito, where he also obtained a B.A. in International Relations.

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