Associate Professor of International Law at the University of São Paulo (USP); Fellow Professor at the University of California – Berkeley Law School; Visiting Professor at the University Nova de Lisboa – Portugal; President of the Brazilian Academy of International Law; Director of the Brazilian Society of International Law; Executive Director of the Latin-American Society of International Law (SLADI) (2012-2016); Arbitrator of the Permanent Tribunal of MERCOSUL – Protocolo de Olivos; Legal Consultant of the United Nations Organization (UN); Member of the New York Academy of Sciences.