Denisson is a PhD in Political Science (UFMG), a Master in Sociology, and a Social Scientist (UFAL). He completed part of his PhD program at the Universidad de Salamanca in the Instituto de Iberoamérica. He is a CNPQ post-doctoral grantee at PPGCP/UFMG. He has experience with Political Science focusing on Legislative Behavior, working mainly on the following topics: political parties, party migration, election results, and campaign finance. He is a researcher at the Center for Legislative Studies (CEL/UFMG) in the study group Grupo Cidadania e Políticas Públicas (UFAL) and a grantee researcher at EMCI-FGV.