Mateus Kowalski is a Doctor in International Politics and Conflict Resolution; Master in International Legal Sciences; and Law Degree.
He is currently Director of International Law Services at the Legal Affairs Department of the Ministry of Foreign Affairs; Associate Professor at the Autonomous University of Lisbon; Guest Professor at the Faculty of Law of Universidade Nova de Lisboa; and Integrated Researcher at the Observatory of Foreign Affairs-UAL.
He was a lawyer in Office of the Under-Secretary-General for Legal Affairs and United Nations Legal Counsel.
is a member of International Law Association, gives European Society of International Law, gives American Society of International Law and the Portuguese Society of International Law.
He is the author of publications and communications in the field of, among others, the theory of International Law, the United Nations system, international criminal justice and issues related to peace and security.