Sérgio Sauer is associate professor at the University of Brasilia (Planaltina campus of UnB), in the Postgraduate Program in Agribusiness (Propaga/UnB), researcher in the Center for Agrarian Studies (NEAGRI/UnB) and national rapporteur for Human Rights in Land, Territory and Food (Platform DhESCA Brazil). His research works are on political science and sociology, including themes on struggle for land and territories, social agrarian movements and rural communities’ struggles, governmental land policies and land deals, rural development and expansion of agrofuels, food sovereignty in Brazil. Doctor in Sociology and master in Philosophy, Sauer has published several academic articles and books on agroecology (“Agroecologia e os desafios da transição agroecológica”, in 2009), agrarian issues and land struggle (“Terra e modernidade: a reinvenção do campo brasileiro”, in 2010), and land and territory (“Terras e territorios na Amazônia: demandas, desafios e perspectivas”, in 2011).