MA in Sociology (Federal Univ. of Rio Grande do Sul, 1992), MA in Science of Religion (Autonomous Univ. Heredia, 1986) and Ph.D. in Sociology and Political Science about non-governamental international cooperation (Univ. Muenster, 1997). He did post-doctoral studies with Claus Offe (Humboldt Univ., 2004-2005), with Hauke #8203;#8203;Brunkhorst (Univ. Flensburg, 2007-2009) and Axel Honneth (Univ. Frankfurt, 2012). He was visiting professor at the Universities of Kassel (2003), Göttingen (2017-2018) and Universidad de la República (2014, 2016, 2020, 2022), collaborator at the University of Milan, member of Evaluation Committee for programs, books and journals in Sociology (Capes), Coordinator of the Human Sciences Advisory Committee Fapergs, member of the advisory board of Sociology from CNPq, and General Secretary of the Brazilian Sociological Association (2013-2017). He was Humboldt Fellow. Currently he is researcher from CNPq level 1, full professor at the Catholic University in Porto Alegre (since 1997), member of ISA, Alas, SBS, ABCP, Lasa and treasurer of SBS (2019-2023). He was founder and editor of Civitas: Journal of Social Sciences (2001-2019). Research areas: citizenship rights, social movements, democracy, political participation, public policies and organizations. He is also interested in social theory.
Possui mestrado em Sociologia pela Ufrgs (1992), mestrado em Ciencias de la Religión pela Universidad Autónoma de Heredia, Costa Rica (Una-SBL, 1986) e doutorado em Sociologia e Ciência Política na área de cooperação internacional não governamental pela Univ. de Muenster (1997). Fez estágios de pós-doutorado com Claus Offe (Univ. Humboldt, 2004-2005), com Hauke Brunkhorst (Univ. Flensburg, 2007-2009) e Axel Honneth (Univ. Frankfurt, 2012). Foi professor visitante nas Universidades de Kassel (2003) e de Göttingen (2017-2018) na Alemanha, na Udelar (2014, 2016, 2020, 2022) no Uruguai, colaborador da Universidade de Milão e membro dos comitês de avaliação de programas e dos Qualis Periódicos e Qualis Livros Sociologia (Capes), e coordenador do Comitê Assessor Ciências Humanas da Fapergs, Secretário Geral da SBS (2013-2017). É professor na Pucrs deste 1997, pesquisador do CNPq, membro de ISA, Alas, SBS, ABCP, Lasa, ASA e tesoureiro da SBS (2019-2023). Foi bolsista Humboldt. Idealizador e editor do periódico Civitas: Revista de Ciências Sociais (2001-2019), idealizador e coordenador do PPG em Ciências Sociais da Pucrs (2000-2004). Pesquisa direitos de cidadania, movimentos sociais, democracia, políticas públicas, participação política e organizações e tem interesse em teoria social.
