Sofía Díaz de Aguilar Puiggarí

Staff Lawyer

Sofía is a Spanish and English qualified lawyer. She holds a law degree from the Universidad Pontificia de Comillas (ICADE) and an LL.M from Queen Mary University. She has also studied nuclear law at the International School of Nuclear Law.

Sofía advises sovereign States, State-owned companies and private parties in international dispute resolution proceedings, as well as in non-contentious matters under public international law.

Prior to joining Volterra Fietta, Sofia worked at a top tier disputes team advising clients in the oil and gas and construction industries, both in High Court and international commercial arbitration proceedings.


LL.M, Queen Mary University, London

Degree, ICADE, Madrid

Diploma, International School of Nuclear Law, Montpellier


Spanish, English and French

Bar admissions

England & Wales, Spain