Manuel de Almeida Ribeiro holds a bachelor’s degree in Law from UERJ– Universidade do Estado do Rio de Janeiro (Rio de Janeiro, Brazil) and a PhD in Political Science from Universidade Técnica de Lisboa (Lisbon, Portugal). He has an aggregate (2002) in Political and Juridical Sciences from Universidade Técnica de Lisboa. From 1982-1983, was Assistant Professor of Social and Political Sciences at University of Lisbon (1983-1982). From 1992 to 2003 he was Full Professor and since 2003 he has been Tenured Professor. From 1992 to 2001 was Since 2002 was visiting professor at the school of law of the University of Macau. he has been President of the Sociedade Portuguesa de Direito Internacional, the Portuguese branch of the International Law Association. He has been President of the International Law Association since 2022. He is the author or co-author of more than seventy books, book chapters and articles on international law and international relations issues.