Luiz Inácio Gaiger is a full professor at Universidade do Vale do Rio dos Sinos (Unisinos, Brazil). He holds a Master of Science and a PhD in Sociology from the Catholic University of Louvain (Belgium).

Marthe Nyssens is a full professor at the School of Economics of the Catholic University of Louvain (UCLouvain, Belgium) and a member of the Interdisciplinary Research Centre on Work, State and Society (CIRTES, UCLouvain).

Fernanda Wanderley obtained her PhD in Sociology from Columbia University in the City of New York (US). She is the director of the Institute of Socio-Economic Research (IISEC) of the Bolivian Catholic University "San Pablo".