Michel Cahen is a senior researcher at the CNRS at Les Afriques dans le monde (Sciences Po Bordeaux). He was a guest researcher in the Department of Sociology of the University of São Paulo in 2012-2013 in the French professorships program in the State of São Paulo. Currently (2015-2018), he is an associate member of Casa de Velázquez (Madrid) and the Institute of Social Sciences (Lisbon). He is a collaborative researcher at CEsA/CSG. Historian, specialist in Portuguese colonization in Africa and political analyst of current Portuguese-speaking African countries and "lusotopia" in general (i.e. in addition to "lusophony"). Besides these fields, he is also interested in the problematic fascism and colonialism, Marxism and nationalism, ethnicity and political democracy, subalternity and coloniality. Some recent works: with Éric Morier-Genoud (eds), Imperial Migrations. Colonial Communities and Diaspora in the Portuguese World, Basingstoke: Palgrave MacMillan, 2012; "Is 'Portuguese-speaking' Africa Comparable to 'Latin' America? Voyaging in the Midst of Colonialities of Power, "History in Africa", XL (1), 2013: 5-44; "Common points and heterogeneity of political cultures in the PALOPs - A 'post-colonial' point of view", History: Issues & Debates (Curitiba), LXII (1), 2015: 19-47; "État colonial' ... Quel État colonial?", In Jordi Benet et alii (eds), Reis Negres, cabells blancs, terra vermella. Homenage al Professor d'Histoire d'Afrique Ferran Iniesta i Vernet, Barcelona: Bellaterra, 2016, pp. 129-158; "Six theses on forced labor in the continental Portuguese empire in Africa", Revista África (University of São Paulo), 2017, 35: 129-155; avec Ruy Braga Neto: Beyond the Post(-)colonial, São Paulo, Almedina Editorial, 2018., 338 p.