Altair de Sousa Maiais an economist at the University of Brasília in Brazil, specializing in overseas commerce. He is the author of 9 books. For ten years he worked at the Ministries of Overseas Affairs and Trade and Commerce in Brazil. He has taught at the Catholic University of Brasília, in UNEB (The Educational Union of Brazil), and in the School of Commercial Administration of the Ministry of Work. As a professional liberal and consultant, he has undertaken many diverse projects connected with imports and exports. He has taken part in trade fairs and commercial missions in a number of countries, principally in Europe, the Americas and Africa. Today he works as an international consultant, specializing in African affairs, and lectures in many universities and other establishments, both in Brazil and other countries.